local words;
Print("words!\n");
words := [
c*b*c*d*c*a*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*a*c^-1*b^-1*c^-1*d^-1*c^-1,
c*b*d^-1*c^-1*b^-1*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*d*c*b*d^-1*c^-1,
d^-1*c^-1*d^-1*a*d^-1*b^-1*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*d*b*a*b*c*b,
d^-1*c^-1*a^-1*d*c*a*d^-1*a*b*a,
a*d^-1*a*b*a*c^-1*b^-1*a^-1*c*b,
a^-1*d*a^-1*b^-1*a^-1*c*b*a*c^-1*b^-1,
d*c*a*d^-1*c^-1*a^-1*d*a^-1*b^-1*a^-1,
a^-1*d*b*a*d^-1*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*b*a*d^-1*b^-1*a^-1,
b*a*b*c*b*d^-1*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*b*d^-1*c^-1*d^-1*a*d^-1,
b*a*c^-1*b^-1*a^-1*c*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c^-1*a^-1*d*c*a*d^-1,
c*b^-1*d^-1*a*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*a*b*d*c^-1,
c*b*d^-1*c^-1*b^-1*c^-1*a*d,
b^-1*a*c*d*c*b*d^-1*c^-1,
d^-1*c*a^-1*b^-1*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*d*a^-1*c^-1*b,
d^-1*c^-1*a^-1*d*c*d*b^-1*a,
a*d*b^-1*c^-1*b^-1*a^-1*c*b,
a^-1*d^-1*b*c*b*a*c^-1*b^-1,
d*c*a*d^-1*c^-1*d^-1*b*a^-1,
a^-1*d*b*a*d^-1*a*c*b^-1,
d*c^-1*a*b*a*d^-1*b^-1*a^-1,
b*a^-1*c^-1*d^-1*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*b*c*a^-1*d^-1,
b*a*c^-1*b^-1*a^-1*b^-1*d^-1*c,
c^-1*b*d*a^-1*d*c*a*d^-1,
c*d*b^-1*c^-1*d^-1*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b*c*d*b^-1*c^-1,
c*a^-1*d*c*b*c^-1*d^-1*a*c*d,
b^-1*c^-1*a*b*c*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*a*c*d*a^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a^-1*b^-1*c^-1*a*b,
d^-1*b*a*d^-1*c^-1*d*a^-1*b^-1*d^-1*a,
a*b*d*a^-1*b^-1*c*b*a*d^-1*b,
a^-1*b^-1*d^-1*a*b*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d^-1*a*b*d*a^-1,
a^-1*c^-1*b^-1*a^-1*d*a*b*c*a^-1*b^-1,
d*a^-1*c^-1*d^-1*a*b^-1*a^-1*d*c*a^-1,
b*c*a^-1*b^-1*c^-1*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c*d*a^-1*c^-1*d^-1,
b*a*b*c*d*b^-1*c^-1*d^-1*b*c,
c^-1*d^-1*b*c*d*a*d^-1*c^-1*b^-1*d^-1,
c*d*a^-1*c^-1*d^-1*a*b^-1*d,
b^-1*d*a*b*c*a^-1*b^-1*c^-1,
c*a*b^-1*c^-1*d^-1*b*c*d,
b^-1*c^-1*d^-1*b*c*d*a*c^-1,
d^-1*a*b*d*a^-1*b^-1*c*a,
a*c^-1*d*a^-1*b^-1*d^-1*a*b,
d^-1*b^-1*c*d*a^-1*c^-1*d^-1*a,
a*b*c*a^-1*b^-1*c^-1*d*b,
a^-1*b^-1*c^-1*a*b*c*d^-1*b^-1,
d*b*c^-1*d^-1*a*c*d*a^-1,
a^-1*c*d^-1*a*b*d*a^-1*b^-1,
d*a^-1*b^-1*d^-1*a*b*c^-1*a^-1,
b*c*d*b^-1*c^-1*d^-1*a^-1*c,
c^-1*a^-1*b*c*d*b^-1*c^-1*d^-1,
b*d^-1*a^-1*b^-1*c^-1*a*b*c,
c^-1*d^-1*a*c*d*a^-1*b*d^-1,
b^-1*a^-1*c^-1*b^-1*c^-1*b^-1*b^-1*c^-1*d^-1*c^-1,
b^-1*a^-1*b*b*d^-1*c^-1*d^-1*c^-1,
c*b*c^-1*c^-1*a^-1*d*a^-1*d,
c*b*d*c*d*c*c*d*a^-1*d,
a*d^-1*b*a*b*a*a*b*c*b,
a*d^-1*a^-1*a^-1*c*b*c*b,
d^-1*c^-1*d*d*b*a*b*a,
d^-1*c^-1*a*d^-1*a*d^-1*d^-1*a*b*a,
d*c*a^-1*d*a^-1*d*d*a^-1*b^-1*a^-1,
d*c*d^-1*d^-1*b^-1*a^-1*b^-1*a^-1,
a^-1*d*a*a*c^-1*b^-1*c^-1*b^-1,
a^-1*d*b^-1*a^-1*b^-1*a^-1*a^-1*b^-1*c^-1*b^-1,
c^-1*b^-1*d^-1*c^-1*d^-1*c^-1*c^-1*d^-1*a*d^-1,
c^-1*b^-1*c*c*a*d^-1*a*d^-1,
b*a*b^-1*b^-1*d*c*d*c,
b*a*c*b*c*b*b*c*d*c,
b^-1*a^-1*d*a^-1*b^-1*b^-1*a^-1*b^-1*a^-1*c^-1,
c*b*a*b*c*c*b*c*b*d,
a*d^-1*c^-1*d^-1*a*a*d^-1*a*d^-1*b,
d^-1*c^-1*b^-1*c^-1*d^-1*d^-1*c^-1*d^-1*c^-1*a,
d*c*b*c*d*d*c*d*c*a^-1,
a^-1*d*c*d*a^-1*a^-1*d*a^-1*d*b^-1,
c^-1*b^-1*a^-1*b^-1*c^-1*c^-1*b^-1*c^-1*b^-1*d^-1,
b*a*d^-1*a*b*b*a*b*a*c,
b^-1*a^-1*c^-1*a^-1*b^-1*a^-1*b^-1*a^-1*c^-1,
c*b*d*b*c*b*c*b*d,
a*d^-1*b*d^-1*a*d^-1*a*d^-1*b,
d^-1*c^-1*a*c^-1*d^-1*c^-1*d^-1*c^-1*a,
d*c*a^-1*c*d*c*d*c*a^-1,
a^-1*d*b^-1*d*a^-1*d*a^-1*d*b^-1,
c^-1*b^-1*d^-1*b^-1*c^-1*b^-1*c^-1*b^-1*d^-1,
b*a*c*a*b*a*b*a*c,
b^-1*a^-1*c^-1*b^-1*c^-1*b^-1*c^-1*a^-1*c^-1,
c*a^-1*d*c*d*a^-1*a^-1*a^-1*d,
b^-1*a^-1*a^-1*a^-1*b^-1*c^-1*b^-1*a^-1*c^-1,
c*b*b*b*c*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*c^-1*d^-1*d^-1*d^-1*c^-1,
c*b*d*c*d*c*d*b*d,
a*d^-1*b*a*b*a*b*d^-1*b,
d^-1*b*a*d^-1*a*b*b*b*a,
a*d^-1*d^-1*d^-1*a*b*a*d^-1*b,
d^-1*c^-1*c^-1*c^-1*d^-1*a*d^-1*c^-1*a,
a*c*b*a*b*c*c*c*b,
d^-1*c^-1*a*d^-1*a*d^-1*a*c^-1*a,
d*c*a^-1*d*a^-1*d*a^-1*c*a^-1,
a^-1*c^-1*b^-1*a^-1*b^-1*c^-1*c^-1*c^-1*b^-1,
d*c*c*c*d*a^-1*d*c*a^-1,
a^-1*d*d*d*a^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*a^-1*b^-1*b^-1*b^-1*a^-1,
a^-1*d*b^-1*a^-1*b^-1*a^-1*b^-1*d*b^-1,
c^-1*b^-1*d^-1*c^-1*d^-1*c^-1*d^-1*b^-1*d^-1,
b*d*c*b*c*d*d*d*c,
c^-1*b^-1*b^-1*b^-1*c^-1*d^-1*c^-1*b^-1*d^-1,
b*a*a*a*b*c*b*a*c,
c^-1*a*d^-1*c^-1*d^-1*a*a*a*d^-1,
b*a*c*b*c*b*c*a*c,
b^-1*a^-1*d*a^-1*d*b*b*c^-1,
c*b*a*b*a*c^-1*c^-1*d,
a*d^-1*c^-1*d^-1*c^-1*a^-1*a^-1*b,
d^-1*c^-1*b^-1*c^-1*b^-1*d*d*a,
d*c*b*c*b*d^-1*d^-1*a^-1,
a^-1*d*c*d*c*a*a*b^-1,
c^-1*b^-1*a^-1*b^-1*a^-1*c*c*d^-1,
b*a*d^-1*a*d^-1*b^-1*b^-1*c,
c*b*c*d*c^-1*d^-1*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b*c*b^-1*c^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*a*d*a^-1*d^-1*a*b*a,
a*d^-1*a*b*a^-1*b^-1*a*b*c*b,
a^-1*d*a^-1*b^-1*a*b*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d^-1*a*d*a^-1*b^-1*a^-1,
b*a*b*c*b^-1*c^-1*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c*d*c^-1*d^-1*a*d^-1,
c*d^-1*c^-1*d*c*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b^-1*c*b*c^-1,
d^-1*a^-1*d*a*d^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*b*a*b^-1*a^-1*b,
a^-1*b*a*b^-1*a^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*a^-1*d*a*d^-1*a^-1,
b*c^-1*b^-1*c*b*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*d^-1*c^-1*d*c*d^-1,
c*c*c*d*a^-1*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*a^-1*b^-1*c^-1*c^-1*c^-1,
c*b*c*d*b*c*d*d*d,
b^-1*b^-1*b^-1*c^-1*d^-1*b^-1*c^-1*d^-1*c^-1,
d^-1*d^-1*d^-1*a*b*d^-1*a*b*a,
a*d^-1*a*b*d^-1*a*b*b*b,
d^-1*c^-1*d^-1*a*c^-1*d^-1*a*a*a,
a*a*a*b*c*a*b*c*b,
a^-1*a^-1*a^-1*b^-1*c^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*c*d*a^-1*a^-1*a^-1,
a^-1*d*a^-1*b^-1*d*a^-1*b^-1*b^-1*b^-1,
d*d*d*a^-1*b^-1*d*a^-1*b^-1*a^-1,
b*b*b*c*d*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*b^-1*c^-1*d^-1*d^-1*d^-1,
b*a*b*c*a*b*c*c*c,
c^-1*c^-1*c^-1*d^-1*a*c^-1*d^-1*a*d^-1,
c*c*d*c*d*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*c^-1*c^-1,
c*a^-1*d*c*b*c*d*c*d*d,
b^-1*b^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*d^-1*a*d^-1*a*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a*b*a*b*b,
d^-1*b*a*d^-1*c^-1*d^-1*a*d^-1*a*a,
a*a*b*a*b*c*b*a*d^-1*b,
a^-1*a^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d*a^-1*d*a^-1*a^-1,
a^-1*c^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*b^-1*b^-1,
d*d*a^-1*d*a^-1*b^-1*a^-1*d*c*a^-1,
b*b*c*b*c*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*d^-1*d^-1,
b*a*b*c*d*b*c*b*c*c,
c^-1*c^-1*d^-1*c^-1*d^-1*a*d^-1*c^-1*b^-1*d^-1,
c*d^-1*c^-1*d^-1*d^-1*c^-1*d,
b^-1*c*b*b*c*b*c^-1,
c*d^-1*c^-1*c^-1*d^-1*c^-1*d,
b^-1*c*b*c*c*b*c^-1,
d^-1*a^-1*d*a^-1*a^-1*d*a,
a*b^-1*a^-1*a^-1*b^-1*a^-1*b,
d^-1*a^-1*d*d*a^-1*d*a,
a*b^-1*a^-1*b^-1*b^-1*a^-1*b,
a^-1*b*a*b*b*a*b^-1,
d*a*d^-1*d^-1*a*d^-1*a^-1,
a^-1*b*a*a*b*a*b^-1,
d*a*d^-1*a*a*d^-1*a^-1,
b*c^-1*b^-1*c^-1*c^-1*b^-1*c,
c^-1*d*c*c*d*c*d^-1,
b*c^-1*b^-1*b^-1*c^-1*b^-1*c,
c^-1*d*c*d*d*c*d^-1,
c*d^-1*c*d^-1*c^-1*d,
b^-1*c*b*c^-1*b*c^-1,
c*d^-1*c^-1*d*c^-1*d,
b^-1*c*b^-1*c*b*c^-1,
d^-1*a^-1*d^-1*a^-1*d*a,
a*b^-1*a^-1*b*a^-1*b,
d^-1*a^-1*d*a*d*a,
a*b^-1*a*b^-1*a^-1*b,
c*d*c*d*b*c*d*b*d,
b^-1*d^-1*b^-1*c^-1*d^-1*b^-1*c^-1*b^-1*c^-1,
c*a^-1*c*d*a^-1*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*a^-1*b^-1*c^-1*a^-1*c^-1,
d^-1*a*d^-1*a*c^-1*d^-1*a*c^-1*a,
a*c*a*b*c*a*b*a*b,
d^-1*b*d^-1*a*b*d^-1*a*d^-1*a,
a*b*a*b*d^-1*a*b*d^-1*b,
a^-1*b^-1*a^-1*b^-1*d*a^-1*b^-1*d*b^-1,
d*b^-1*d*a^-1*b^-1*d*a^-1*d*a^-1,
a^-1*c^-1*a^-1*b^-1*c^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*c*d*a^-1*c*a^-1,
b*c*b*c*a*b*c*a*c,
c^-1*a*c^-1*d^-1*a*c^-1*d^-1*c^-1*d^-1,
b*d*b*c*d*b*c*b*c,
c^-1*d^-1*c^-1*d^-1*b^-1*c^-1*d^-1*b^-1*d^-1,
c*d*c^-1*d^-1*c*d*d,
b^-1*b^-1*c^-1*b*c*b^-1*c^-1,
c*c*d*c^-1*d^-1*c*d,
b^-1*c^-1*b*c*b^-1*c^-1*c^-1,
d^-1*a*d*a^-1*d^-1*a*a,
a*a*b*a^-1*b^-1*a*b,
d^-1*d^-1*a*d*a^-1*d^-1*a,
a*b*a^-1*b^-1*a*b*b,
a^-1*b^-1*a*b*a^-1*b^-1*b^-1,
d*d*a^-1*d^-1*a*d*a^-1,
a^-1*a^-1*b^-1*a*b*a^-1*b^-1,
d*a^-1*d^-1*a*d*a^-1*a^-1,
b*c*b^-1*c^-1*b*c*c,
c^-1*c^-1*d^-1*c*d*c^-1*d^-1,
b*b*c*b^-1*c^-1*b*c,
c^-1*d^-1*c*d*c^-1*d^-1*d^-1,
b^-1*a^-1*d*c*a*a*c*d,
b^-1*c^-1*a*a*c^-1*b^-1*a^-1*d,
c*d*b^-1*b^-1*a*b*c*d,
a*d^-1*c^-1*b^-1*d*d*b^-1*c^-1,
c*b*a*d^-1*b^-1*b^-1*d^-1*a,
a*b*d*d*b*a*d^-1*c^-1,
d^-1*a*c*c*a*d^-1*c^-1*b^-1,
a*b*c*d*c^-1*c^-1*a*b,
d^-1*c^-1*b^-1*a^-1*c*c*a^-1*b^-1,
d*a^-1*c^-1*c^-1*a^-1*d*c*b,
a^-1*b^-1*d^-1*d^-1*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*b*b*d*a^-1,
a^-1*d*c*b*d^-1*d^-1*b*c,
c^-1*d^-1*b*b*d^-1*c^-1*b^-1*a^-1,
b*c*a^-1*a^-1*c*b*a*d^-1,
b*a*d^-1*c^-1*a^-1*a^-1*c^-1*d^-1,
b^-1*a*b*a^-1*b^-1*a,
a*d*a^-1*d^-1*a*d,
c*b^-1*c^-1*b*c*b^-1,
d*c^-1*d^-1*c*d*c^-1,
d^-1*c*d*c^-1*d^-1*c,
c^-1*b*c*b^-1*c^-1*b,
a^-1*d^-1*a*d*a^-1*d^-1,
b*a^-1*b^-1*a*b*a^-1,
c*b*d^-1*c^-1*d^-1*a*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*a*b*c*b*d^-1*c^-1,
c*b*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*c*d*c*b*d^-1*c^-1,
d^-1*c^-1*a^-1*d*a^-1*b^-1*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*c*b,
d^-1*c^-1*a^-1*d*c*d*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*c*b,
a^-1*d*b*a*b*c*b*a*c^-1*b^-1,
d*c*a*d^-1*c^-1*d^-1*a*d^-1*b^-1*a^-1,
a^-1*d*b*a*d^-1*a*b*a*c^-1*b^-1,
d*c*a*d^-1*a*b*a*d^-1*b^-1*a^-1,
b*a*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*b*c*d*c*a*d^-1,
b*a*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*d*a^-1*d*c*a*d^-1,
c*b*c*d*c*a^-1*c^-1*a^-1*d,
b^-1*a^-1*c*a^-1*c^-1*b^-1*c^-1*d^-1*c^-1,
c*b*d^-1*b*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*d^-1*b*d^-1*c^-1,
d^-1*c^-1*d^-1*a*d^-1*b*d*b*a,
a*d^-1*b^-1*d^-1*b*a*b*c*b,
d^-1*c^-1*a^-1*c^-1*a*d^-1*a*b*a,
a*d^-1*a*b*a*c*a^-1*c*b,
a^-1*d*a^-1*b^-1*a^-1*c^-1*a*c^-1*b^-1,
d*c*a*c*a^-1*d*a^-1*b^-1*a^-1,
a^-1*d*b*d*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*b^-1*d^-1*b^-1*a^-1,
b*a*b*c*b*d*b^-1*d*c,
c^-1*b^-1*d*b^-1*d^-1*c^-1*d^-1*a*d^-1,
b*a*c^-1*a*c*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c^-1*a*c*a*d^-1,
b^-1*a^-1*d*b*a*d^-1*a*c^-1*c^-1,
c*b*a*c^-1*b^-1*a^-1*b^-1*d*d,
a*d^-1*c^-1*a^-1*d*c*d*b*b,
d^-1*c^-1*b^-1*d*c*b*c*a*a,
d*c*b*d^-1*c^-1*b^-1*c^-1*a^-1*a^-1,
a^-1*d*c*a*d^-1*c^-1*d^-1*b^-1*b^-1,
c^-1*b^-1*a^-1*c*b*a*b*d^-1*d^-1,
b*a*d^-1*b^-1*a^-1*d*a^-1*c*c,
b^-1*a^-1*d*d*b*c*b*a*c^-1,
c*b*a*a*c^-1*d^-1*c^-1*b^-1*d,
a*d^-1*c^-1*c^-1*a^-1*b^-1*a^-1*d*b,
d^-1*c^-1*b^-1*b^-1*d*a^-1*d*c*a,
d*c*b*b*d^-1*a*d^-1*c^-1*a^-1,
a^-1*d*c*c*a*b*a*d^-1*b^-1,
c^-1*b^-1*a^-1*a^-1*c*d*c*b*d^-1,
b*a*d^-1*d^-1*b^-1*c^-1*b^-1*a^-1*c,
c*b^-1*a^-1*d*a^-1*c^-1*a^-1*d,
b^-1*a^-1*c*a^-1*b^-1*a^-1*d*c^-1,
c*b*d^-1*b*c*b*a*d,
b^-1*a*d^-1*c^-1*d^-1*b*d^-1*c^-1,
d^-1*c*b*a*b*d*b*a,
a*d^-1*b^-1*d^-1*a*d^-1*c^-1*b,
d^-1*c^-1*a^-1*c^-1*d^-1*c^-1*b^-1*a,
a*d*c*b*c*a^-1*c*b,
a^-1*d^-1*c^-1*b^-1*c^-1*a*c^-1*b^-1,
d*c*a*c*d*c*b*a^-1,
a^-1*d*b*d*a^-1*d*c*b^-1,
d*c^-1*b^-1*a^-1*b^-1*d^-1*b^-1*a^-1,
b*a^-1*d*c*d*b^-1*d*c,
c^-1*b^-1*d*b^-1*c^-1*b^-1*a^-1*d^-1,
b*a*c^-1*a*b*a*d^-1*c,
c^-1*b*a*d^-1*a*c*a*d^-1,
c*d*a*d^-1*c^-1*b^-1*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*a*b*c*d*b^-1*c^-1,
c*b*c*d*a*d^-1*c^-1*b^-1*c*d,
b^-1*c^-1*a*b*c*d*b^-1*c^-1*d^-1*c^-1,
d^-1*a*b^-1*a^-1*d*c*d^-1*a*b*a,
a*d^-1*a*b*c^-1*b^-1*a^-1*d*a*b,
d^-1*c^-1*d^-1*a*b^-1*a^-1*d*c*d^-1*a,
a*b*c^-1*b^-1*a^-1*d*a*b*c*b,
a^-1*b^-1*c*b*a*d^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*b*a*d^-1*c^-1*d*a^-1,
a^-1*d*a^-1*b^-1*c*b*a*d^-1*a^-1*b^-1,
d*a^-1*b*a*d^-1*c^-1*d*a^-1*b^-1*a^-1,
b*c*d^-1*c^-1*b^-1*a^-1*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*a^-1*d*c*b*c^-1*d^-1,
b*a*b*c*d^-1*c^-1*b^-1*a^-1*b*c,
c^-1*d^-1*a^-1*d*c*b*c^-1*d^-1*a*d^-1,
c*d*b*d^-1*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b*d^-1*b^-1*c^-1,
c*a^-1*d*c*b*c^-1*a^-1*c*d,
b^-1*c^-1*a^-1*c*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*a*c^-1*a^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a^-1*c*a*b,
d^-1*b*a*d^-1*c^-1*d*b*d^-1*a,
a*b*d^-1*b^-1*c*b*a*d^-1*b,
a^-1*b^-1*d*b*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d^-1*b^-1*d*a^-1,
a^-1*c^-1*b^-1*a^-1*d*a*c^-1*a^-1*b^-1,
d*a^-1*c*a*b^-1*a^-1*d*c*a^-1,
b*c*a*c^-1*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c*a*c^-1*d^-1,
b*a*b*c*d*b^-1*d*b*c,
c^-1*d^-1*b^-1*d*a*d^-1*c^-1*b^-1*d^-1,
c*d*a^-1*b*a*d^-1*c^-1*b*d,
b^-1*d^-1*c*b*a*d^-1*a^-1*b^-1*c^-1,
c*a^-1*d^-1*c^-1*b^-1*a^-1*b*c*d,
b^-1*c^-1*d^-1*a^-1*d*c*b*a^-1*c^-1,
d^-1*a*b*c^-1*b^-1*a^-1*d*c^-1*a,
a*c*b^-1*a^-1*d*c*d^-1*a*b,
d^-1*b*a^-1*d*c*b*c^-1*d^-1*a,
a*b*c*d^-1*c^-1*b^-1*a^-1*d^-1*b,
a^-1*b^-1*c^-1*a*b*c*d*d*b^-1,
d*b^-1*a*d^-1*c^-1*b^-1*c*d*a^-1,
a^-1*c^-1*b*a*d^-1*c^-1*d*a^-1*b^-1,
d*a^-1*b^-1*c*b*a*d^-1*c*a^-1,
b*c*d*a*d^-1*c^-1*b^-1*a*c,
c^-1*a*a*b*c*d*b^-1*c^-1*d^-1,
b*d*c^-1*b^-1*a^-1*d*a*b*c,
c^-1*d^-1*a*b^-1*a^-1*d*c*b^-1*d^-1,
c*d*a^-1*b*c*d*b^-1*d,
b^-1*d*b^-1*c^-1*d^-1*a^-1*b^-1*c^-1,
c*a*c*d*a^-1*b*c*d,
b^-1*c^-1*d^-1*a^-1*b^-1*c^-1*a*c^-1,
d^-1*a*b*c^-1*d^-1*a*c*a,
a*c^-1*a*b*c*d^-1*a*b,
d^-1*b^-1*d^-1*a*b*c^-1*d^-1*a,
a*b*c*d^-1*a*b*d*b,
a^-1*b^-1*c^-1*d*a^-1*b^-1*d^-1*b^-1,
d*b*d*a^-1*b^-1*c*d*a^-1,
a^-1*c*a^-1*b^-1*c^-1*d*a^-1*b^-1,
d*a^-1*b^-1*c*d*a^-1*c^-1*a^-1,
b*c*d*a*b*c*a^-1*c,
c^-1*a^-1*c^-1*d^-1*a*b^-1*c^-1*d^-1,
b*d^-1*b*c*d*a*b*c,
c^-1*d^-1*a*b^-1*c^-1*d^-1*b*d^-1,
b^-1*a^-1*a^-1*b*c*b*d^-1*c^-1,
c*b*b*c^-1*d^-1*c^-1*a^-1*d,
a*d^-1*d^-1*a^-1*b^-1*a^-1*c*b,
d^-1*c^-1*c^-1*d*a^-1*d*b*a,
d*c*c*d^-1*a*d^-1*b^-1*a^-1,
a^-1*d*d*a*b*a*c^-1*b^-1,
c^-1*b^-1*b^-1*c*d*c*a*d^-1,
b*a*a*b^-1*c^-1*b^-1*d*c,
b^-1*a^-1*c^-1*c^-1*a*c^-1*d^-1*c^-1,
c*b*d*d*b^-1*d*a^-1*d,
a*d^-1*b*b*d*b*c*b,
d^-1*c^-1*a*a*c*a*b*a,
d*c*a^-1*a^-1*c^-1*a^-1*b^-1*a^-1,
a^-1*d*b^-1*b^-1*d^-1*b^-1*c^-1*b^-1,
c^-1*b^-1*d^-1*d^-1*b*d^-1*a*d^-1,
b*a*c*c*a^-1*c*d*c,
b^-1*a^-1*d*a^-1*c*a^-1*a^-1*c^-1,
c*b*a*b*d^-1*b*b*d,
a*d^-1*c^-1*d^-1*b^-1*d^-1*d^-1*b,
d^-1*c^-1*b^-1*c^-1*a^-1*c^-1*c^-1*a,
d*c*b*c*a*c*c*a^-1,
a^-1*d*c*d*b*d*d*b^-1,
c^-1*b^-1*a^-1*b^-1*d*b^-1*b^-1*d^-1,
b*a*d^-1*a*c^-1*a*a*c,
b^-1*a^-1*c^-1*c^-1*a^-1*b^-1*a^-1*c^-1,
c*b*d*d*b*c*b*d,
a*d^-1*b*b*d^-1*a*d^-1*b,
d^-1*c^-1*a*a*c^-1*d^-1*c^-1*a,
d*c*a^-1*a^-1*c*d*c*a^-1,
a^-1*d*b^-1*b^-1*d*a^-1*d*b^-1,
c^-1*b^-1*d^-1*d^-1*b^-1*c^-1*b^-1*d^-1,
b*a*c*c*a*b*a*c,
b^-1*a^-1*c^-1*b^-1*c^-1*a^-1*a^-1*c^-1,
c*b*d*c*d*b*b*d,
a*d^-1*b*a*b*d^-1*d^-1*b,
d^-1*c^-1*a*d^-1*a*c^-1*c^-1*a,
d*c*a^-1*d*a^-1*c*c*a^-1,
a^-1*d*b^-1*a^-1*b^-1*d*d*b^-1,
c^-1*b^-1*d^-1*c^-1*d^-1*b^-1*b^-1*d^-1,
b*a*c*b*c*a*a*c,
c*a^-1*d*c*d*c*d*a^-1*a^-1*d,
b^-1*a^-1*a^-1*b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*c^-1,
c*b*b*c*d*c*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1*d^-1*d^-1*c^-1,
d^-1*b*a*d^-1*a*d^-1*a*b*b*a,
a*d^-1*d^-1*a*b*a*b*a*d^-1*b,
d^-1*c^-1*c^-1*d^-1*a*d^-1*a*d^-1*c^-1*a,
a*c*b*a*b*a*b*c*c*b,
a^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1*c^-1*c^-1*b^-1,
d*c*c*d*a^-1*d*a^-1*d*c*a^-1,
a^-1*d*d*a^-1*b^-1*a^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*a^-1*d*a^-1*b^-1*b^-1*a^-1,
b*d*c*b*c*b*c*d*d*c,
c^-1*b^-1*b^-1*c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*d^-1,
b*a*a*b*c*b*c*b*a*c,
c^-1*a*d^-1*c^-1*d^-1*c^-1*d^-1*a*a*d^-1,
b^-1*a^-1*d*b*a*b*c^-1*c^-1,
c*b*a*c^-1*b^-1*c^-1*d*d,
a*d^-1*c^-1*a^-1*d*a^-1*b*b,
d^-1*c^-1*b^-1*d*c*d*a*a,
d*c*b*d^-1*c^-1*d^-1*a^-1*a^-1,
a^-1*d*c*a*d^-1*a*b^-1*b^-1,
c^-1*b^-1*a^-1*c*b*c*d^-1*d^-1,
b*a*d^-1*b^-1*a^-1*b^-1*c*c,
c*c*d*a^-1*c*d*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*b^-1*c^-1*a^-1*b^-1*c^-1*c^-1,
c*b*c*b*c*d*b*c*d*d,
b^-1*b^-1*c^-1*d^-1*b^-1*c^-1*d^-1*c^-1*d^-1*c^-1,
d^-1*d^-1*a*b*d^-1*a*b*a*b*a,
a*d^-1*a*d^-1*a*b*d^-1*a*b*b,
d^-1*c^-1*d^-1*c^-1*d^-1*a*c^-1*d^-1*a*a,
a*a*b*c*a*b*c*b*c*b,
a^-1*a^-1*b^-1*c^-1*a^-1*b^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*d*a^-1*c*d*a^-1*a^-1,
a^-1*d*a^-1*d*a^-1*b^-1*d*a^-1*b^-1*b^-1,
d*d*a^-1*b^-1*d*a^-1*b^-1*a^-1*b^-1*a^-1,
b*b*c*d*b*c*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*c^-1*d^-1*b^-1*c^-1*d^-1*d^-1,
b*a*b*a*b*c*a*b*c*c,
c^-1*c^-1*d^-1*a*c^-1*d^-1*a*d^-1*a*d^-1,
c*d*b*c*d*b*b*d,
b^-1*d^-1*d^-1*b^-1*c^-1*d^-1*b^-1*c^-1,
c*a^-1*a^-1*c*d*a^-1*c*d,
b^-1*c^-1*a^-1*b^-1*c^-1*a^-1*a^-1*c^-1,
d^-1*a*c^-1*d^-1*a*c^-1*c^-1*a,
a*c*c*a*b*c*a*b,
d^-1*b*b*d^-1*a*b*d^-1*a,
a*b*d^-1*a*b*d^-1*d^-1*b,
a^-1*b^-1*d*a^-1*b^-1*d*d*b^-1,
d*b^-1*b^-1*d*a^-1*b^-1*d*a^-1,
a^-1*c^-1*c^-1*a^-1*b^-1*c^-1*a^-1*b^-1,
d*a^-1*c*d*a^-1*c*c*a^-1,
b*c*a*b*c*a*a*c,
c^-1*a*a*c^-1*d^-1*a*c^-1*d^-1,
b*d*d*b*c*d*b*c,
c^-1*d^-1*b^-1*c^-1*d^-1*b^-1*b^-1*d^-1,
c*d*a*d^-1*c^-1*b^-1*a*d,
b^-1*a*a*b*c*d*b^-1*c^-1,
c*b^-1*a*d^-1*c^-1*b^-1*c*d,
b^-1*c^-1*a*b*c*d*d*c^-1,
d^-1*a*b^-1*a^-1*d*c*b^-1*a,
a*d*c^-1*b^-1*a^-1*d*a*b,
d^-1*c*b^-1*a^-1*d*c*d^-1*a,
a*b*c^-1*b^-1*a^-1*d*c^-1*b,
a^-1*b^-1*c*b*a*d^-1*c*b^-1,
d*c^-1*b*a*d^-1*c^-1*d*a^-1,
a^-1*d^-1*c*b*a*d^-1*a^-1*b^-1,
d*a^-1*b*a*d^-1*c^-1*b*a^-1,
b*c*d^-1*c^-1*b^-1*a^-1*d^-1*c,
c^-1*b*a^-1*d*c*b*c^-1*d^-1,
b*a^-1*d^-1*c^-1*b^-1*a^-1*b*c,
c^-1*d^-1*a^-1*d*c*b*a^-1*d^-1,
b^-1*a^-1*d*c*d*d*b*d,
b^-1*d^-1*b^-1*b^-1*c^-1*b^-1*a^-1*d,
c*a^-1*c*c*a*b*c*d,
a*d^-1*c^-1*b^-1*c^-1*c^-1*a^-1*c^-1,
c*b*a*d^-1*a*a*c^-1*a,
a*c*a*a*b*a*d^-1*c^-1,
d^-1*b*d^-1*d^-1*a*d^-1*c^-1*b^-1,
a*b*c*d*b*b*d^-1*b,
d^-1*c^-1*b^-1*a^-1*b^-1*b^-1*d*b^-1,
d*b^-1*d*d*a^-1*d*c*b,
a^-1*c^-1*a^-1*a^-1*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*a^-1*a^-1*c*a^-1,
a^-1*d*c*b*c*c*a*c,
c^-1*a*c^-1*c^-1*d^-1*c^-1*b^-1*a^-1,
b*d*b*b*c*b*a*d^-1,
b*a*d^-1*c^-1*d^-1*d^-1*b^-1*d^-1,
b^-1*a^-1*b*b*b*d^-1*c^-1,
c*b*c^-1*c^-1*c^-1*a^-1*d,
a*d^-1*a^-1*a^-1*a^-1*c*b,
d^-1*c^-1*d*d*d*b*a,
d*c*d^-1*d^-1*d^-1*b^-1*a^-1,
a^-1*d*a*a*a*c^-1*b^-1,
c^-1*b^-1*c*c*c*a*d^-1,
b*a*b^-1*b^-1*b^-1*d*c,
b^-1*a^-1*c^-1*b^-1*a^-1*b*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*d*c*b*c^-1*a^-1*d*c*b*d,
a*d^-1*b*a*d^-1*a^-1*c*b*a*d^-1*b,
d^-1*c^-1*a*d^-1*c^-1*d*b*a*d^-1*c^-1*a,
d*c*a^-1*d*c*d^-1*b^-1*a^-1*d*c*a^-1,
a^-1*d*b^-1*a^-1*d*a*c^-1*b^-1*a^-1*d*b^-1,
c^-1*b^-1*d^-1*c^-1*b^-1*c*a*d^-1*c^-1*b^-1*d^-1,
b*a*c*b*a*b^-1*a*b*c*d*c,
b^-1*a^-1*c^-1*b^-1*a^-1*d*b*c^-1*b^-1*a^-1*c^-1,
c*b*a*b*c*d*c^-1*d*c*b*d,
a*d^-1*b*a*d^-1*c^-1*a^-1*b*a*d^-1*b,
d^-1*c^-1*a*d^-1*c^-1*b^-1*d*a*d^-1*c^-1*a,
d*c*a^-1*d*c*b*d^-1*a^-1*d*c*a^-1,
a^-1*d*b^-1*a^-1*d*c*a*b^-1*a^-1*d*b^-1,
c^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c*d^-1*c^-1*b^-1*d^-1,
b*a*c*b*a*d^-1*b^-1*c*b*a*c,
b^-1*a^-1*d*b*b*b*c^-1,
c*b*a*c^-1*c^-1*c^-1*d,
a*d^-1*c^-1*a^-1*a^-1*a^-1*b,
d^-1*c^-1*b^-1*d*d*d*a,
d*c*b*d^-1*d^-1*d^-1*a^-1,
a^-1*d*c*a*a*a*b^-1,
c^-1*b^-1*a^-1*c*c*c*d^-1,
b*a*d^-1*b^-1*b^-1*b^-1*c,
b^-1*a^-1*c^-1*b^-1*b^-1*b^-1*c^-1*d^-1*c^-1,
c*b*d*c*c*c*d*a^-1*d,
a*d^-1*b*a*a*a*b*c*b,
d^-1*c^-1*a*d^-1*d^-1*d^-1*a*b*a,
d*c*a^-1*d*d*d*a^-1*b^-1*a^-1,
a^-1*d*b^-1*a^-1*a^-1*a^-1*b^-1*c^-1*b^-1,
c^-1*b^-1*d^-1*c^-1*c^-1*c^-1*d^-1*a*d^-1,
b*a*c*b*b*b*c*d*c,
b^-1*a^-1*d*a^-1*b^-1*b^-1*b^-1*a^-1*c^-1,
c*b*a*b*c*c*c*b*d,
a*d^-1*c^-1*d^-1*a*a*a*d^-1*b,
d^-1*c^-1*b^-1*c^-1*d^-1*d^-1*d^-1*c^-1*a,
d*c*b*c*d*d*d*c*a^-1,
a^-1*d*c*d*a^-1*a^-1*a^-1*d*b^-1,
c^-1*b^-1*a^-1*b^-1*c^-1*c^-1*c^-1*b^-1*d^-1,
b*a*d^-1*a*b*b*b*a*c,
b^-1*a^-1*b*c*b*c*b*d^-1*c^-1,
c*b*c^-1*d^-1*c^-1*d^-1*c^-1*a^-1*d,
a*d^-1*a^-1*b^-1*a^-1*b^-1*a^-1*c*b,
d^-1*c^-1*d*a^-1*d*a^-1*d*b*a,
d*c*d^-1*a*d^-1*a*d^-1*b^-1*a^-1,
a^-1*d*a*b*a*b*a*c^-1*b^-1,
c^-1*b^-1*c*d*c*d*c*a*d^-1,
b*a*b^-1*c^-1*b^-1*c^-1*b^-1*d*c,
b^-1*a^-1*c^-1*b^-1*a^-1*c*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*d*c*b*d^-1*a^-1*d*c*b*d,
a*d^-1*b*a*d^-1*b^-1*c*b*a*d^-1*b,
d^-1*c^-1*a*d^-1*c^-1*a^-1*b*a*d^-1*c^-1*a,
d*c*a^-1*d*c*a*b^-1*a^-1*d*c*a^-1,
a^-1*d*b^-1*a^-1*d*b*c^-1*b^-1*a^-1*d*b^-1,
c^-1*b^-1*d^-1*c^-1*b^-1*d*a*d^-1*c^-1*b^-1*d^-1,
b*a*c*b*a*c^-1*a*b*c*d*c,
b^-1*a^-1*c^-1*b^-1*a^-1*d*a*c^-1*b^-1*a^-1*c^-1,
c*b*a*b*c*d*b^-1*d*c*b*d,
a*d^-1*b*a*d^-1*c^-1*d*b*a*d^-1*b,
d^-1*c^-1*a*d^-1*c^-1*b^-1*c*a*d^-1*c^-1*a,
d*c*a^-1*d*c*b*c^-1*a^-1*d*c*a^-1,
a^-1*d*b^-1*a^-1*d*c*d^-1*b^-1*a^-1*d*b^-1,
c^-1*b^-1*d^-1*c^-1*b^-1*a^-1*b*d^-1*c^-1*b^-1*d^-1,
b*a*c*b*a*d^-1*a^-1*c*b*a*c,
b^-1*a^-1*d*b*a*b*a*b*c^-1,
c*b*a*c^-1*b^-1*c^-1*b^-1*c^-1*d,
a*d^-1*c^-1*a^-1*d*a^-1*d*a^-1*b,
d^-1*c^-1*b^-1*d*c*d*c*d*a,
d*c*b*d^-1*c^-1*d^-1*c^-1*d^-1*a^-1,
a^-1*d*c*a*d^-1*a*d^-1*a*b^-1,
c^-1*b^-1*a^-1*c*b*c*b*c*d^-1,
b*a*d^-1*b^-1*a^-1*b^-1*a^-1*b^-1*c,
b^-1*a^-1*c^-1*a*b*a*c^-1*d^-1*c^-1,
c*b*d*b^-1*c^-1*b^-1*d*a^-1*d,
a*d^-1*b*d*a^-1*d*b*c*b,
d^-1*c^-1*a*c*d*c*a*b*a,
d*c*a^-1*c^-1*d^-1*c^-1*a^-1*b^-1*a^-1,
a^-1*d*b^-1*d^-1*a*d^-1*b^-1*c^-1*b^-1,
c^-1*b^-1*d^-1*b*c*b*d^-1*a*d^-1,
b*a*c*a^-1*b^-1*a^-1*c*d*c,
b^-1*a^-1*c^-1*b^-1*a*b^-1*c^-1*d^-1*c^-1,
c*b*d*c*b^-1*c*d*a^-1*d,
a*d^-1*b*a*d*a*b*c*b,
d^-1*c^-1*a*d^-1*c*d^-1*a*b*a,
d*c*a^-1*d*c^-1*d*a^-1*b^-1*a^-1,
a^-1*d*b^-1*a^-1*d^-1*a^-1*b^-1*c^-1*b^-1,
c^-1*b^-1*d^-1*c^-1*b*c^-1*d^-1*a*d^-1,
b*a*c*b*a^-1*b*c*d*c,
b^-1*a^-1*d*a^-1*b^-1*c*b^-1*a^-1*c^-1,
c*b*a*b*c*d^-1*c*b*d,
a*d^-1*c^-1*d^-1*a*b^-1*a*d^-1*b,
d^-1*c^-1*b^-1*c^-1*d^-1*a^-1*d^-1*c^-1*a,
d*c*b*c*d*a*d*c*a^-1,
a^-1*d*c*d*a^-1*b*a^-1*d*b^-1,
c^-1*b^-1*a^-1*b^-1*c^-1*d*c^-1*b^-1*d^-1,
b*a*d^-1*a*b*c^-1*b*a*c,
b^-1*a^-1*d*a^-1*c*b*c*a^-1*c^-1,
c*b*a*b*d^-1*c^-1*d^-1*b*d,
a*d^-1*c^-1*d^-1*b^-1*a^-1*b^-1*d^-1*b,
d^-1*c^-1*b^-1*c^-1*a^-1*d*a^-1*c^-1*a,
d*c*b*c*a*d^-1*a*c*a^-1,
a^-1*d*c*d*b*a*b*d*b^-1,
c^-1*b^-1*a^-1*b^-1*d*c*d*b^-1*d^-1,
b*a*d^-1*a*c^-1*b^-1*c^-1*a*c,
b^-1*a^-1*b*c*b*b*d^-1*c^-1,
c*b*c^-1*d^-1*c^-1*c^-1*a^-1*d,
a*d^-1*a^-1*b^-1*a^-1*a^-1*c*b,
d^-1*c^-1*d*a^-1*d*d*b*a,
d*c*d^-1*a*d^-1*d^-1*b^-1*a^-1,
a^-1*d*a*b*a*a*c^-1*b^-1,
c^-1*b^-1*c*d*c*c*a*d^-1,
b*a*b^-1*c^-1*b^-1*b^-1*d*c,
b^-1*a^-1*c^-1*d^-1*c^-1*a*c^-1*d^-1*c^-1,
c*b*d*a^-1*d*b^-1*d*a^-1*d,
a*d^-1*b*c*b*d*b*c*b,
d^-1*c^-1*a*b*a*c*a*b*a,
d*c*a^-1*b^-1*a^-1*c^-1*a^-1*b^-1*a^-1,
a^-1*d*b^-1*c^-1*b^-1*d^-1*b^-1*c^-1*b^-1,
c^-1*b^-1*d^-1*a*d^-1*b*d^-1*a*d^-1,
b*a*c*d*c*a^-1*c*d*c,
b^-1*a^-1*c^-1*d^-1*c^-1*b^-1*b^-1*c^-1*d^-1*c^-1,
c*b*d*a^-1*d*c*c*d*a^-1*d,
a*d^-1*b*c*b*a*a*b*c*b,
d^-1*c^-1*a*b*a*d^-1*d^-1*a*b*a,
d*c*a^-1*b^-1*a^-1*d*d*a^-1*b^-1*a^-1,
a^-1*d*b^-1*c^-1*b^-1*a^-1*a^-1*b^-1*c^-1*b^-1,
c^-1*b^-1*d^-1*a*d^-1*c^-1*c^-1*d^-1*a*d^-1,
b*a*c*d*c*b*b*c*d*c,
c*a^-1*d*c*b*d*c*b*d^-1*a^-1*d,
b^-1*a^-1*b*d^-1*c^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*c^-1*a^-1*d*c*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b^-1*a^-1*c*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*a*d^-1*c^-1*a^-1*b*a,
a*d^-1*a^-1*c*b*a*c*b*a*d^-1*b,
d^-1*c^-1*d*b*a*d^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*b*a*d^-1*b^-1*c*b,
a^-1*c^-1*b^-1*a^-1*d*b^-1*a^-1*d*b*c^-1*b^-1,
d*c*d^-1*b^-1*a^-1*d*b^-1*a^-1*d*c*a^-1,
a^-1*d*a*c^-1*b^-1*a^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*a^-1*d*c*a*b^-1*a^-1,
b*a*b*c*a*b*c*d*c^-1*d*c,
c^-1*b^-1*c*a*d^-1*c^-1*a*d^-1*c^-1*b^-1*d^-1,
b*a*b^-1*a*b*c*d*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*d^-1*c^-1*b^-1*d*a*d^-1,
b^-1*a^-1*d*a^-1*c*a^-1*d*a^-1*c^-1,
c*b*a*b*d^-1*b*a*b*d,
a*d^-1*c^-1*d^-1*b^-1*d^-1*c^-1*d^-1*b,
d^-1*c^-1*b^-1*c^-1*a^-1*c^-1*b^-1*c^-1*a,
d*c*b*c*a*c*b*c*a^-1,
a^-1*d*c*d*b*d*c*d*b^-1,
c^-1*b^-1*a^-1*b^-1*d*b^-1*a^-1*b^-1*d^-1,
b*a*d^-1*a*c^-1*a*d^-1*a*c,
b^-1*a^-1*d*a^-1*b^-1*b^-1*a^-1*d*a^-1*c^-1,
c*b*a*b*c*c*b*a*b*d,
a*d^-1*c^-1*d^-1*a*a*d^-1*c^-1*d^-1*b,
d^-1*c^-1*b^-1*c^-1*d^-1*d^-1*c^-1*b^-1*c^-1*a,
d*c*b*c*d*d*c*b*c*a^-1,
a^-1*d*c*d*a^-1*a^-1*d*c*d*b^-1,
c^-1*b^-1*a^-1*b^-1*c^-1*c^-1*b^-1*a^-1*b^-1*d^-1,
b*a*d^-1*a*b*b*a*d^-1*a*c,
b^-1*a^-1*d*b*b*a*b*c^-1,
c*b*a*c^-1*c^-1*b^-1*c^-1*d,
a*d^-1*c^-1*a^-1*a^-1*d*a^-1*b,
d^-1*c^-1*b^-1*d*d*c*d*a,
d*c*b*d^-1*d^-1*c^-1*d^-1*a^-1,
a^-1*d*c*a*a*d^-1*a*b^-1,
c^-1*b^-1*a^-1*c*c*b*c*d^-1,
b*a*d^-1*b^-1*b^-1*a^-1*b^-1*c,
c*a^-1*d*c*b*d^-1*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b*d^-1*c^-1*b^-1*a^-1*c^-1,
c*a^-1*d*c*b*c^-1*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*c*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*b*a*d^-1*c^-1*a^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a^-1*c*b*a*d^-1*b,
d^-1*b*a*d^-1*c^-1*d*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*b^-1*c*b*a*d^-1*b,
a^-1*c^-1*b^-1*a^-1*d*b*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d^-1*b^-1*a^-1*d*c*a^-1,
a^-1*c^-1*b^-1*a^-1*d*a*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*a*b^-1*a^-1*d*c*a^-1,
b*a*b*c*d*c^-1*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c*a*d^-1*c^-1*b^-1*d^-1,
b*a*b*c*d*b^-1*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*d*a*d^-1*c^-1*b^-1*d^-1,
c*c*d*a^-1*d*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1*c^-1*c^-1,
c*a^-1*d*c*b*c*b*c*d*d,
b^-1*b^-1*c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*d^-1*a*b*a*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a*d^-1*a*b*b,
d^-1*b*a*d^-1*c^-1*d^-1*c^-1*d^-1*a*a,
a*a*b*c*b*c*b*a*d^-1*b,
a^-1*a^-1*b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d*c*d*a^-1*a^-1,
a^-1*c^-1*b^-1*a^-1*d*a^-1*d*a^-1*b^-1*b^-1,
d*d*a^-1*b^-1*a^-1*b^-1*a^-1*d*c*a^-1,
b*b*c*d*c*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1*d^-1*d^-1,
b*a*b*c*d*b*a*b*c*c,
c^-1*c^-1*d^-1*a*d^-1*a*d^-1*c^-1*b^-1*d^-1,
c*d*d*a*d^-1*c^-1*b^-1*d,
b^-1*a*b*c*d*b^-1*b^-1*c^-1,
c*a*d^-1*c^-1*b^-1*c*c*d,
b^-1*c^-1*c^-1*a*b*c*d*c^-1,
d^-1*a*a*b^-1*a^-1*d*c*a,
a*c^-1*b^-1*a^-1*d*a*a*b,
d^-1*b^-1*a^-1*d*c*d^-1*d^-1*a,
a*b*b*c^-1*b^-1*a^-1*d*b,
a^-1*b^-1*b^-1*c*b*a*d^-1*b^-1,
d*b*a*d^-1*c^-1*d*d*a^-1,
a^-1*c*b*a*d^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*b*a*d^-1*c^-1*a^-1,
b*c*c*d^-1*c^-1*b^-1*a^-1*c,
c^-1*a^-1*d*c*b*c^-1*c^-1*d^-1,
b*d^-1*c^-1*b^-1*a^-1*b*b*c,
c^-1*d^-1*d^-1*a^-1*d*c*b*d^-1,
b^-1*a^-1*d*c*d*c*d*b*d,
b^-1*d^-1*b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*d,
c*a^-1*c*d*c*a*b*c*d,
a*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1*a^-1*c^-1,
c*b*a*d^-1*a*d^-1*a*c^-1*a,
a*c*a*b*a*b*a*d^-1*c^-1,
d^-1*b*d^-1*a*d^-1*a*d^-1*c^-1*b^-1,
a*b*c*d*b*a*b*d^-1*b,
d^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1*d*b^-1,
d*b^-1*d*a^-1*d*a^-1*d*c*b,
a^-1*c^-1*a^-1*b^-1*a^-1*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*a^-1*d*a^-1*c*a^-1,
a^-1*d*c*b*c*b*c*a*c,
c^-1*a*c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*a^-1,
b*d*b*c*b*c*b*a*d^-1,
b*a*d^-1*c^-1*d^-1*c^-1*d^-1*b^-1*d^-1,
b^-1*a^-1*c^-1*a*a*c^-1*d^-1*c^-1,
c*b*d*b^-1*b^-1*d*a^-1*d,
a*d^-1*b*d*d*b*c*b,
d^-1*c^-1*a*c*c*a*b*a,
d*c*a^-1*c^-1*c^-1*a^-1*b^-1*a^-1,
a^-1*d*b^-1*d^-1*d^-1*b^-1*c^-1*b^-1,
c^-1*b^-1*d^-1*b*b*d^-1*a*d^-1,
b*a*c*a^-1*a^-1*c*d*c,
b^-1*a^-1*d*a^-1*c*c*a^-1*c^-1,
c*b*a*b*d^-1*d^-1*b*d,
a*d^-1*c^-1*d^-1*b^-1*b^-1*d^-1*b,
d^-1*c^-1*b^-1*c^-1*a^-1*a^-1*c^-1*a,
d*c*b*c*a*a*c*a^-1,
a^-1*d*c*d*b*b*d*b^-1,
c^-1*b^-1*a^-1*b^-1*d*d*b^-1*d^-1,
b*a*d^-1*a*c^-1*c^-1*a*c,
b^-1*a^-1*b*a^-1*b*d^-1*c^-1,
c*b*c^-1*b*c^-1*a^-1*d,
a*d^-1*a^-1*d^-1*a^-1*c*b,
d^-1*c^-1*d*c^-1*d*b*a,
d*c*d^-1*c*d^-1*b^-1*a^-1,
a^-1*d*a*d*a*c^-1*b^-1,
c^-1*b^-1*c*b^-1*c*a*d^-1,
b*a*b^-1*a*b^-1*d*c,
b^-1*a^-1*c^-1*a^-1*b^-1*a^-1*c^-1*d^-1*c^-1,
c*b*d*b*c*b*d*a^-1*d,
a*d^-1*b*d^-1*a*d^-1*b*c*b,
d^-1*c^-1*a*c^-1*d^-1*c^-1*a*b*a,
d*c*a^-1*c*d*c*a^-1*b^-1*a^-1,
a^-1*d*b^-1*d*a^-1*d*b^-1*c^-1*b^-1,
c^-1*b^-1*d^-1*b^-1*c^-1*b^-1*d^-1*a*d^-1,
b*a*c*a*b*a*c*d*c,
b^-1*a^-1*d*a^-1*c^-1*b^-1*c^-1*a^-1*c^-1,
c*b*a*b*d*c*d*b*d,
a*d^-1*c^-1*d^-1*b*a*b*d^-1*b,
d^-1*c^-1*b^-1*c^-1*a*d^-1*a*c^-1*a,
d*c*b*c*a^-1*d*a^-1*c*a^-1,
a^-1*d*c*d*b^-1*a^-1*b^-1*d*b^-1,
c^-1*b^-1*a^-1*b^-1*d^-1*c^-1*d^-1*b^-1*d^-1,
b*a*d^-1*a*c*b*c*a*c,
b^-1*a^-1*d*b*c^-1*b*c^-1,
c*b*a*c^-1*d*c^-1*d,
a*d^-1*c^-1*a^-1*b*a^-1*b,
d^-1*c^-1*b^-1*d*a*d*a,
d*c*b*d^-1*a^-1*d^-1*a^-1,
a^-1*d*c*a*b^-1*a*b^-1,
c^-1*b^-1*a^-1*c*d^-1*c*d^-1,
b*a*d^-1*b^-1*c*b^-1*c,
c*b*d^-1*c^-1*b^-1*d*a^-1*a^-1*d,
b^-1*a^-1*a^-1*b^-1*d*c*b*d^-1*c^-1,
c*b*b*c*a*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*a*c^-1*d^-1*d^-1*c^-1,
d^-1*c^-1*a^-1*d*c*a*b*b*a,
a*d^-1*d^-1*a*c^-1*b^-1*a^-1*c*b,
d^-1*c^-1*c^-1*d^-1*b^-1*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*d*b*c*c*b,
a^-1*d*b*a*d^-1*b^-1*c^-1*c^-1*b^-1,
d*c*c*d*b*a*d^-1*b^-1*a^-1,
a^-1*d*d*a^-1*c*b*a*c^-1*b^-1,
d*c*a*d^-1*c^-1*a^-1*b^-1*b^-1*a^-1,
b*a*c^-1*b^-1*a^-1*c*d*d*c,
c^-1*b^-1*b^-1*c^-1*a^-1*d*c*a*d^-1,
b*a*a*b*d^-1*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*b*d^-1*a*a*d^-1,
c*a^-1*d*c*b*d*a*d^-1*a^-1*d,
b^-1*a^-1*b*a*b^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*c^-1*b^-1*c*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*c^-1*d*c*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*a*b^-1*a^-1*b*a,
a*d^-1*a^-1*d*a*c*b*a*d^-1*b,
d^-1*c^-1*d*c*d^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*b*c^-1*b^-1*c*b,
a^-1*c^-1*b^-1*a^-1*d*b^-1*c*b*c^-1*b^-1,
d*c*d^-1*c^-1*d*b^-1*a^-1*d*c*a^-1,
a^-1*d*a*d^-1*a^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*a^-1*b*a*b^-1*a^-1,
b*a*b*c*d*c*d^-1*c^-1*d*c,
c^-1*b^-1*c*b*c^-1*a*d^-1*c^-1*b^-1*d^-1,
b*a*b^-1*a^-1*b*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*d^-1*a^-1*d*a*d^-1,
c*a^-1*d*c*b*d^-1*a*d*a^-1*d,
b^-1*a^-1*b^-1*a*b*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*c*b^-1*c^-1*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*c*d*c^-1*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*a^-1*b^-1*a*b*a,
a*d^-1*a*d*a^-1*c*b*a*d^-1*b,
d^-1*c^-1*d^-1*c*d*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*b^-1*c^-1*b*c*b,
a^-1*c^-1*b^-1*a^-1*d*b*c*b^-1*c^-1*b^-1,
d*c*d*c^-1*d^-1*b^-1*a^-1*d*c*a^-1,
a^-1*d*a^-1*d^-1*a*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*a*b*a^-1*b^-1*a^-1,
b*a*b*c*d*c^-1*d^-1*c*d*c,
c^-1*b^-1*c^-1*b*c*a*d^-1*c^-1*b^-1*d^-1,
b*a*b*a^-1*b^-1*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*d*a^-1*d^-1*a*d^-1,
c*d^-1*c^-1*d^-1*a*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*a*b*c*b*c^-1,
c*b*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*d,
b^-1*c*b*c*d*c*b*d^-1*c^-1,
d^-1*a^-1*d*a^-1*b^-1*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*b,
d^-1*c^-1*a^-1*d*c*d*a^-1*d*a,
a*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*c*b,
a^-1*b*a*b*c*b*a*c^-1*b^-1,
d*c*a*d^-1*c^-1*d^-1*a*d^-1*a^-1,
a^-1*d*b*a*d^-1*a*b*a*b^-1,
d*a*d^-1*a*b*a*d^-1*b^-1*a^-1,
b*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*b*c*d*c*d^-1,
b*a*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*c,
c^-1*d*c*d*a^-1*d*c*a*d^-1,
c*d^-1*c^-1*d*d*a^-1*d,
b^-1*a^-1*b^-1*b^-1*c*b*c^-1,
c*b*c*c*d^-1*c^-1*d,
b^-1*c*b*c^-1*c^-1*d^-1*c^-1,
d^-1*a^-1*d*a*a*b*a,
a*d^-1*a*a*b^-1*a^-1*b,
d^-1*c^-1*d^-1*d^-1*a^-1*d*a,
a*b^-1*a^-1*b*b*c*b,
a^-1*b*a*b^-1*b^-1*c^-1*b^-1,
d*c*d*d*a*d^-1*a^-1,
a^-1*d*a^-1*a^-1*b*a*b^-1,
d*a*d^-1*a^-1*a^-1*b^-1*a^-1,
b*c^-1*b^-1*c*c*d*c,
c^-1*b^-1*c^-1*c^-1*d*c*d^-1,
b*a*b*b*c^-1*b^-1*c,
c^-1*d*c*d^-1*d^-1*a*d^-1,
c*d^-1*b*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*d^-1*b*c^-1,
c*b*c*d*c*a^-1*c^-1*d,
b^-1*c*a^-1*c^-1*b^-1*c^-1*d^-1*c^-1,
d^-1*a^-1*c^-1*a*d^-1*a*b*a,
a*d^-1*a*b*a*c*a^-1*b,
d^-1*c^-1*d^-1*a*d^-1*b*d*a,
a*b^-1*d^-1*b*a*b*c*b,
a^-1*b*d*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*b^-1*d^-1*a^-1,
a^-1*d*a^-1*b^-1*a^-1*c^-1*a*b^-1,
d*a*c*a^-1*d*a^-1*b^-1*a^-1,
b*c^-1*a*c*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c^-1*a*c*d^-1,
b*a*b*c*b*d*b^-1*c,
c^-1*d*b^-1*d^-1*c^-1*d^-1*a*d^-1,
c*d^-1*c^-1*c^-1*b*d,
b^-1*d^-1*c*c*b*c^-1,
c*a^-1*d^-1*d^-1*c^-1*d,
b^-1*c*b*b*a^-1*c^-1,
d^-1*a^-1*d*d*c^-1*a,
a*c*b^-1*b^-1*a^-1*b,
d^-1*b*a^-1*a^-1*d*a,
a*b^-1*a^-1*a^-1*d^-1*b,
a^-1*b*a*a*d*b^-1,
d*b^-1*a*a*d^-1*a^-1,
a^-1*c^-1*b*b*a*b^-1,
d*a*d^-1*d^-1*c*a^-1,
b*c^-1*b^-1*b^-1*a*c,
c^-1*a*d*d*c*d^-1,
b*d*c^-1*c^-1*b^-1*c,
c^-1*d*c*c*b^-1*d^-1,
c*d^-1*b^-1*d^-1*b*d,
b^-1*d^-1*b*d*b*c^-1,
c*a^-1*c^-1*a*c^-1*d,
b^-1*c*a*c*a^-1*c^-1,
d^-1*a^-1*c*a^-1*c^-1*a,
a*c*a^-1*c^-1*a^-1*b,
d^-1*b*d*b^-1*d*a,
a*b^-1*d*b^-1*d^-1*b,
a^-1*b*d^-1*b*d*b^-1,
d*b^-1*d^-1*b*d^-1*a^-1,
a^-1*c^-1*a*c*a*b^-1,
d*a*c^-1*a*c*a^-1,
b*c^-1*a^-1*c^-1*a*c,
c^-1*a*c*a^-1*c*d^-1,
b*d*b^-1*d^-1*b^-1*c,
c^-1*d*b*d*b^-1*d^-1,
c*d^-1*c^-1*b*a*b*d,
b^-1*d^-1*a*d^-1*c*b*c^-1,
c*a^-1*b^-1*a^-1*d^-1*c^-1*d,
b^-1*c*b*a^-1*d*a^-1*c^-1,
d^-1*a^-1*d*c^-1*b^-1*c^-1*a,
a*c*d*c*b^-1*a^-1*b,
d^-1*b*c*b*a^-1*d*a,
a*b^-1*a^-1*d^-1*c^-1*d^-1*b,
a^-1*b*a*d*c*d*b^-1,
d*b^-1*c^-1*b^-1*a*d^-1*a^-1,
a^-1*c^-1*d^-1*c^-1*b*a*b^-1,
d*a*d^-1*c*b*c*a^-1,
b*c^-1*b^-1*a*d^-1*a*c,
c^-1*a*b*a*d*c*d^-1,
b*d*a^-1*d*c^-1*b^-1*c,
c^-1*d*c*b^-1*a^-1*b^-1*d^-1,
c*b^-1*a^-1*d*c*d^-1*a*b*d,
b^-1*d^-1*a*b*c^-1*b^-1*a^-1*d*c^-1,
c*a^-1*b^-1*c^-1*a*b*c*d*d,
b^-1*a*d^-1*c^-1*b^-1*c*d*a^-1*c^-1,
d^-1*c*b*a*d^-1*a^-1*b^-1*c^-1*a,
a*c*d*a^-1*b*a*d^-1*c^-1*b,
d^-1*b*c*d*a*d^-1*c^-1*b^-1*a,
a*a*b*c*d*b^-1*c^-1*d^-1*b,
a^-1*d^-1*c^-1*b^-1*a^-1*b*c*d*b^-1,
d*b^-1*c^-1*d^-1*a^-1*d*c*b*a^-1,
a^-1*c^-1*d^-1*a*b^-1*a^-1*d*c*b^-1,
d*c^-1*b^-1*a^-1*d*a*b*c*a^-1,
b*a^-1*d*c*b*c^-1*d^-1*a*c,
c^-1*a*b*c*d^-1*c^-1*b^-1*a^-1*d^-1,
b*d*a^-1*b^-1*c*b*a*d^-1*c,
c^-1*b*a*d^-1*c^-1*d*a^-1*b^-1*d^-1,
c*d*c^-1*d^-1*a*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*a*b*c*b^-1*c^-1,
c*b*c*d*b^-1*c^-1*d^-1*c*d,
b^-1*c^-1*b*c*d*b^-1*c^-1*d^-1*c^-1,
d^-1*a*d*a^-1*b^-1*d^-1*a*b*a,
a*d^-1*a*b*d*a^-1*b^-1*a*b,
d^-1*c^-1*d^-1*a*c*d*a^-1*d^-1*a,
a*b*a^-1*b^-1*c^-1*a*b*c*b,
a^-1*b^-1*a*b*c*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*c^-1*d^-1*a*d*a^-1,
a^-1*d*a^-1*b^-1*d^-1*a*b*a^-1*b^-1,
d*a^-1*d^-1*a*b*d*a^-1*b^-1*a^-1,
b*c*b^-1*c^-1*d^-1*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*b*c*d*c^-1*d^-1,
b*a*b*c*a^-1*b^-1*c^-1*b*c,
c^-1*d^-1*c*d*a^-1*c^-1*d^-1*a*d^-1,
c*d*b*d^-1*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b*d^-1*b^-1*c^-1,
c*b*c*d*c^-1*a^-1*c*d,
b^-1*c^-1*a^-1*c*b^-1*c^-1*d^-1*c^-1,
d^-1*a*c^-1*a^-1*d^-1*a*b*a,
a*d^-1*a*b*a^-1*c*a*b,
d^-1*c^-1*d^-1*a*d*b*d^-1*a,
a*b*d^-1*b^-1*a*b*c*b,
a^-1*b^-1*d*b*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d^-1*b^-1*d*a^-1,
a^-1*d*a^-1*b^-1*a*c^-1*a^-1*b^-1,
d*a^-1*c*a*d*a^-1*b^-1*a^-1,
b*c*a*c^-1*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c*a*c^-1*d^-1,
b*a*b*c*b^-1*d*b*c,
c^-1*d^-1*b^-1*d*c^-1*d^-1*a*d^-1,
c*d*a^-1*d^-1*a*d*d,
b^-1*b^-1*a*b*a^-1*b^-1*c^-1,
c*d*a*b*a^-1*b^-1*d,
b^-1*d*a^-1*d^-1*a*b^-1*c^-1,
c*a*b*a^-1*b^-1*c*d,
b^-1*c^-1*d*a^-1*d^-1*a*c^-1,
c*c*b^-1*c^-1*b*c*d,
b^-1*c^-1*d^-1*c*d*c^-1*c^-1,
d^-1*a*b*a^-1*b^-1*a*a,
a*a*d*a^-1*d^-1*a*b,
d^-1*a*b^-1*c^-1*b*c*a,
a*c^-1*d^-1*c*d*a*b,
d^-1*b^-1*c^-1*b*c*d^-1*a,
a*b*c^-1*d^-1*c*d*b,
d^-1*d^-1*c*d*c^-1*d^-1*a,
a*b*c*b^-1*c^-1*b*b,
a^-1*b^-1*c^-1*b*c*b^-1*b^-1,
d*d*c^-1*d^-1*c*d*a^-1,
a^-1*b^-1*c*d*c^-1*d^-1*b^-1,
d*b*c*b^-1*c^-1*d*a^-1,
a^-1*c*d*c^-1*d^-1*a^-1*b^-1,
d*a^-1*b*c*b^-1*c^-1*a^-1,
a^-1*a^-1*d^-1*a*d*a^-1*b^-1,
d*a^-1*b^-1*a*b*a^-1*a^-1,
b*c*d*c^-1*d^-1*c*c,
c^-1*c^-1*b*c*b^-1*c^-1*d^-1,
b*c*d^-1*a*d*a^-1*c,
c^-1*a^-1*b^-1*a*b*c^-1*d^-1,
b*d^-1*a*d*a^-1*b*c,
c^-1*d^-1*a^-1*b^-1*a*b*d^-1,
b*b*a^-1*b^-1*a*b*c,
c^-1*d^-1*a*d*a^-1*d^-1*d^-1,
b^-1*a*b*d^-1*b^-1*d,
b^-1*d*b*d^-1*a*d,
c*a*c^-1*a^-1*b^-1*a,
a*d*a^-1*c*a*c^-1,
c*b^-1*c^-1*a^-1*c*a,
a*c^-1*a^-1*c*d*c^-1,
d^-1*b^-1*d*b*c*b^-1,
d*c^-1*d^-1*b^-1*d*b,
d^-1*c*d*b*d^-1*b^-1,
d*b*d^-1*b^-1*c^-1*b,
a^-1*c*a*c^-1*d^-1*c,
c^-1*b*c*a*c^-1*a^-1,
a^-1*d^-1*a*c^-1*a^-1*c,
c^-1*a^-1*c*a*b*a^-1,
b*d^-1*b^-1*d*a^-1*d^-1,
b*a^-1*b^-1*d*b*d^-1,
b^-1*d*a^-1*d^-1*a*a,
a*a*b*a^-1*b^-1*d,
b^-1*b^-1*c^-1*b*c*a,
a*c^-1*d^-1*c*d*d,
c*a*b*a^-1*b^-1*b^-1,
d*d*a^-1*d^-1*a*c^-1,
c*c*d*c^-1*d^-1*b^-1,
d*b*c*b^-1*c^-1*c^-1,
d^-1*b^-1*c^-1*b*c*c,
c^-1*c^-1*d^-1*c*d*b,
d^-1*d^-1*a*d*a^-1*c,
c^-1*a^-1*b^-1*a*b*b,
a^-1*c*d*c^-1*d^-1*d^-1,
b*b*c*b^-1*c^-1*a^-1,
a^-1*a^-1*b^-1*a*b*d^-1,
b*d^-1*a*d*a^-1*a^-1,
b^-1*a^-1*c^-1*a*c^-1*b^-1*c^-1*d^-1*c^-1,
c*b*d*b^-1*d*c*d*a^-1*d,
a*d^-1*b*d*b*a*b*c*b,
d^-1*c^-1*a*c*a*d^-1*a*b*a,
d*c*a^-1*c^-1*a^-1*d*a^-1*b^-1*a^-1,
a^-1*d*b^-1*d^-1*b^-1*a^-1*b^-1*c^-1*b^-1,
c^-1*b^-1*d^-1*b*d^-1*c^-1*d^-1*a*d^-1,
b*a*c*a^-1*c*b*c*d*c,
c*b*d^-1*c^-1*d^-1*b*a^-1*d,
b^-1*a^-1*d^-1*b*c*b*d^-1*c^-1,
c*b*a^-1*c^-1*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*c*a^-1*d^-1*c^-1,
d^-1*c^-1*a^-1*d*a^-1*c^-1*b*a,
a*d^-1*c*a^-1*b^-1*a^-1*c*b,
d^-1*c^-1*b*d*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*b^-1*d^-1*c*b,
a^-1*d*b*a*b*d*c^-1*b^-1,
d*c*b^-1*d^-1*a*d^-1*b^-1*a^-1,
a^-1*d*c^-1*a*b*a*c^-1*b^-1,
d*c*a*d^-1*a*c*b^-1*a^-1,
b*a*c^-1*b^-1*c^-1*a*d*c,
c^-1*b^-1*a*c*d*c*a*d^-1,
b*a*d*b^-1*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*d*b^-1*a*d^-1,
b^-1*a^-1*d*a^-1*b^-1*a^-1*c*a^-1*c^-1,
c*b*a*b*c*b*d^-1*b*d,
a*d^-1*c^-1*d^-1*a*d^-1*b^-1*d^-1*b,
d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*a^-1*c^-1*a,
d*c*b*c*d*c*a*c*a^-1,
a^-1*d*c*d*a^-1*d*b*d*b^-1,
c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*d*b^-1*d^-1,
b*a*d^-1*a*b*a*c^-1*a*c,
c*b*c*d*c*b*a^-1*a^-1*d,
b^-1*a^-1*a^-1*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1,
c*b*b*a^-1*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*d^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*a*d^-1*c^-1*b*b*a,
a*d^-1*d^-1*c*b*a*b*c*b,
d^-1*c^-1*c^-1*b*a*d^-1*a*b*a,
a*d^-1*a*b*a*d^-1*c*c*b,
a^-1*d*a^-1*b^-1*a^-1*d*c^-1*c^-1*b^-1,
d*c*c*b^-1*a^-1*d*a^-1*b^-1*a^-1,
a^-1*d*d*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*c*b^-1*b^-1*a^-1,
b*a*b*c*b*a*d*d*c,
c^-1*b^-1*b^-1*a*d^-1*c^-1*d^-1*a*d^-1,
b*a*a*d*c*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*a*a*d^-1,
c*b*c*d*c*d*c*b*a^-1*d,
b^-1*a^-1*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1*d^-1*c^-1,
c*b*a^-1*d*c*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*a*d^-1*a*d^-1*c^-1*b*a,
a*d^-1*c*b*a*b*a*b*c*b,
d^-1*c^-1*b*a*d^-1*a*d^-1*a*b*a,
a*d^-1*a*b*a*b*a*d^-1*c*b,
a^-1*d*a^-1*b^-1*a^-1*b^-1*a^-1*d*c^-1*b^-1,
d*c*b^-1*a^-1*d*a^-1*d*a^-1*b^-1*a^-1,
a^-1*d*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*a^-1*d*c*b^-1*a^-1,
b*a*b*c*b*c*b*a*d*c,
c^-1*b^-1*a*d^-1*c^-1*d^-1*c^-1*d^-1*a*d^-1,
b*a*d*c*b*c*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*a*d^-1,
c*d*c*d*a^-1*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*a^-1*b^-1*c^-1*b^-1*c^-1,
c*a^-1*d*c*b*b*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*d^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*a*d^-1*a*b*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*d^-1*a*b*a*b,
d^-1*b*a*d^-1*c^-1*c^-1*d^-1*a*d^-1*a,
a*b*a*b*c*c*b*a*d^-1*b,
a^-1*b^-1*a^-1*b^-1*c^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*c*d*a^-1*d*a^-1,
a^-1*c^-1*b^-1*a^-1*d*d*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*b^-1*b^-1*a^-1*d*c*a^-1,
b*c*b*c*d*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*b^-1*c^-1*d^-1*c^-1*d^-1,
b*a*b*c*d*a*b*c*b*c,
c^-1*d^-1*c^-1*d^-1*a*a*d^-1*c^-1*b^-1*d^-1,
c*d*b^-1*d*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*d*b^-1*c^-1,
c*a^-1*d*c*b*c*a*c*d,
b^-1*c^-1*a*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*a*c*a*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a*c^-1*a*b,
d^-1*b*a*d^-1*c^-1*d^-1*b^-1*d^-1*a,
a*b*d*b*c*b*a*d^-1*b,
a^-1*b^-1*d^-1*b^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d*b*d*a^-1,
a^-1*c^-1*b^-1*a^-1*d*a^-1*c*a^-1*b^-1,
d*a^-1*c^-1*a^-1*b^-1*a^-1*d*c*a^-1,
b*c*a^-1*c*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c^-1*a^-1*c^-1*d^-1,
b*a*b*c*d*b*d^-1*b*c,
c^-1*d^-1*b*d^-1*a*d^-1*c^-1*b^-1*d^-1,
c*d*a^-1*b*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*d^-1*a^-1*b^-1*c^-1,
c*a^-1*d*c*b*a^-1*b*c*d,
b^-1*c^-1*d^-1*a^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*a*b*c^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*c*d^-1*a*b,
d^-1*b*a*d^-1*c^-1*b*c^-1*d^-1*a,
a*b*c*d^-1*c*b*a*d^-1*b,
a^-1*b^-1*c^-1*d*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*b^-1*c*d*a^-1,
a^-1*c^-1*b^-1*a^-1*d*c^-1*d*a^-1*b^-1,
d*a^-1*b^-1*c*b^-1*a^-1*d*c*a^-1,
b*c*d*a*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*a*b^-1*c^-1*d^-1,
b*a*b*c*d*d*a*b*c,
c^-1*d^-1*a*b^-1*a*d^-1*c^-1*b^-1*d^-1,
c*d*a*d^-1*c^-1*b^-1*b^-1*d,
b^-1*d*a*b*c*d*b^-1*c^-1,
c*a*a*d^-1*c^-1*b^-1*c*d,
b^-1*c^-1*a*b*c*d*a*c^-1,
d^-1*a*b^-1*a^-1*d*c*c*a,
a*c^-1*c^-1*b^-1*a^-1*d*a*b,
d^-1*b^-1*b^-1*a^-1*d*c*d^-1*a,
a*b*c^-1*b^-1*a^-1*d*d*b,
a^-1*b^-1*c*b*a*d^-1*d^-1*b^-1,
d*b*b*a*d^-1*c^-1*d*a^-1,
a^-1*c*c*b*a*d^-1*a^-1*b^-1,
d*a^-1*b*a*d^-1*c^-1*c^-1*a^-1,
b*c*d^-1*c^-1*b^-1*a^-1*a^-1*c,
c^-1*a^-1*a^-1*d*c*b*c^-1*d^-1,
b*d^-1*d^-1*c^-1*b^-1*a^-1*b*c,
c^-1*d^-1*a^-1*d*c*b*b*d^-1,
b^-1*a^-1*c^-1*b^-1*c*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*d*c*d^-1*a^-1*d*c*b*d,
a*d^-1*b*a*b^-1*c*b*a*d^-1*b,
d^-1*c^-1*a*d^-1*a^-1*b*a*d^-1*c^-1*a,
d*c*a^-1*d*a*b^-1*a^-1*d*c*a^-1,
a^-1*d*b^-1*a^-1*b*c^-1*b^-1*a^-1*d*b^-1,
c^-1*b^-1*d^-1*c^-1*d*a*d^-1*c^-1*b^-1*d^-1,
b*a*c*b*c^-1*a*b*c*d*c,
b^-1*a^-1*c^-1*b^-1*a^-1*d*a*b^-1*a^-1*c^-1,
c*b*a*b*c*d*b^-1*c*b*d,
a*d^-1*b*a*d^-1*c^-1*d*a*d^-1*b,
d^-1*c^-1*a*d^-1*c^-1*b^-1*c*d^-1*c^-1*a,
d*c*a^-1*d*c*b*c^-1*d*c*a^-1,
a^-1*d*b^-1*a^-1*d*c*d^-1*a^-1*d*b^-1,
c^-1*b^-1*d^-1*c^-1*b^-1*a^-1*b*c^-1*b^-1*d^-1,
b*a*c*b*a*d^-1*a^-1*b*a*c,
c*a^-1*d*c*b*c*d*c^-1*a^-1*d,
b^-1*a^-1*c*b^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*d^-1*c*d*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*d^-1*a*d*b*a,
a*d^-1*b^-1*a*b*c*b*a*d^-1*b,
d^-1*c^-1*a^-1*d^-1*a*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a*b*a^-1*c*b,
a^-1*c^-1*b^-1*a^-1*d*a^-1*b^-1*a*c^-1*b^-1,
d*c*a*d*a^-1*b^-1*a^-1*d*c*a^-1,
a^-1*d*b*a^-1*b^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d*a^-1*d^-1*b^-1*a^-1,
b*a*b*c*d*b*c*b^-1*d*c,
c^-1*b^-1*d*c^-1*d^-1*a*d^-1*c^-1*b^-1*d^-1,
b*a*c^-1*b*c*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c^-1*d^-1*c*a*d^-1,
c*d^-1*c^-1*d^-1*c^-1*d^-1*a^-1*d,
b^-1*a^-1*b*c*b*c*b*c^-1,
c*b*c^-1*d^-1*c^-1*d^-1*c^-1*d,
b^-1*c*b*c*b*c*d^-1*c^-1,
d^-1*a^-1*d*a^-1*d*a^-1*b*a,
a*d^-1*a^-1*b^-1*a^-1*b^-1*a^-1*b,
d^-1*c^-1*d*a^-1*d*a^-1*d*a,
a*b^-1*a^-1*b^-1*a^-1*b^-1*c*b,
a^-1*b*a*b*a*b*c^-1*b^-1,
d*c*d^-1*a*d^-1*a*d^-1*a^-1,
a^-1*d*a*b*a*b*a*b^-1,
d*a*d^-1*a*d^-1*a*b^-1*a^-1,
b*c^-1*b^-1*c^-1*b^-1*c^-1*d*c,
c^-1*b^-1*c*d*c*d*c*d^-1,
b*a*b^-1*c^-1*b^-1*c^-1*b^-1*c,
c^-1*d*c*d*c*d*a*d^-1,
c*c*b*d*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*b^-1*d^-1*c^-1*c^-1,
c*b*c*b*c*a^-1*d*d,
b^-1*b^-1*a^-1*c^-1*d^-1*c^-1*d^-1*c^-1,
d^-1*d^-1*c^-1*a*b*a*b*a,
a*d^-1*a*d^-1*a*c*b*b,
d^-1*c^-1*d^-1*c^-1*d^-1*b*a*a,
a*a*d^-1*b*c*b*c*b,
a^-1*a^-1*d*b^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*d*b^-1*a^-1*a^-1,
a^-1*d*a^-1*d*a^-1*c^-1*b^-1*b^-1,
d*d*c*a^-1*b^-1*a^-1*b^-1*a^-1,
b*b*a*c*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*c^-1*a*d^-1*d^-1,
b*a*b*a*b*d*c*c,
c^-1*c^-1*b^-1*d^-1*a*d^-1*a*d^-1,
c*d^-1*d^-1*c*b*d,
b^-1*d^-1*c^-1*b*b*c^-1,
c*a^-1*d*c^-1*c^-1*d,
b^-1*c*c*b^-1*a^-1*c^-1,
d^-1*a^-1*a^-1*d^-1*c^-1*a,
a*c*b*a^-1*a^-1*b,
d^-1*b*a*d*d*a,
a*b^-1*b^-1*a*d^-1*b,
a^-1*b*b*a^-1*d*b^-1,
d*b^-1*a^-1*d^-1*d^-1*a^-1,
a^-1*c^-1*b^-1*a*a*b^-1,
d*a*a*d*c*a^-1,
b*c^-1*c^-1*b*a*c,
c^-1*a*d^-1*c*c*d^-1,
b*d*c*b^-1*b^-1*c,
c^-1*d*d*c^-1*b^-1*d^-1,
c*d*c*d*c^-1*d^-1*a*d,
b^-1*a*b*c*b^-1*c^-1*b^-1*c^-1,
c*b^-1*c^-1*d^-1*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b*c*d*c^-1,
d^-1*a*d^-1*a*d*a^-1*b^-1*a,
a*d*a^-1*b^-1*a*b*a*b,
d^-1*c*d*a^-1*d^-1*a*d^-1*a,
a*b*a*b*a^-1*b^-1*c^-1*b,
a^-1*b^-1*a^-1*b^-1*a*b*c*b^-1,
d*c^-1*d^-1*a*d*a^-1*d*a^-1,
a^-1*d^-1*a*b*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d^-1*a*b*a^-1,
b*c*b*c*b^-1*c^-1*d^-1*c,
c^-1*b*c*d*c^-1*d^-1*c^-1*d^-1,
b*a^-1*b^-1*c^-1*b*c*b*c,
c^-1*d^-1*c^-1*d^-1*c*d*a^-1*d^-1,
c*d*c*d*a^-1*a^-1*b^-1*d,
b^-1*d*a^-1*a^-1*b^-1*c^-1*b^-1*c^-1,
c*a*b*b*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*d^-1*d^-1*a*c^-1,
d^-1*a*d^-1*a*b*b*c*a,
a*c^-1*d^-1*d^-1*a*b*a*b,
d^-1*b^-1*c^-1*c^-1*d^-1*a*d^-1*a,
a*b*a*b*c*c*d*b,
a^-1*b^-1*a^-1*b^-1*c^-1*c^-1*d^-1*b^-1,
d*b*c*c*d*a^-1*d*a^-1,
a^-1*c*d*d*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*b^-1*b^-1*c^-1*a^-1,
b*c*b*c*d*d*a^-1*c,
c^-1*a^-1*b^-1*b^-1*c^-1*d^-1*c^-1*d^-1,
b*d^-1*a*a*b*c*b*c,
c^-1*d^-1*c^-1*d^-1*a*a*b*d^-1,
b^-1*c^-1*a^-1*b^-1*a*a,
a*a*d*a^-1*c*d,
b^-1*b^-1*a*b*d^-1*a,
a*b*d^-1*a*d*d,
c*d*b*c*b^-1*b^-1,
d*d*c^-1*d^-1*b^-1*c^-1,
c*c*b^-1*c^-1*a^-1*b^-1,
d*a^-1*c*d*c^-1*c^-1,
d^-1*a*c^-1*d^-1*c*c,
c^-1*c^-1*b*c*a*b,
d^-1*d^-1*c*d*b*c,
c^-1*d^-1*b^-1*c^-1*b*b,
a^-1*b^-1*d*a^-1*d^-1*d^-1,
b*b*a^-1*b^-1*d*a^-1,
a^-1*a^-1*d^-1*a*c^-1*d^-1,
b*c*a*b*a^-1*a^-1,
c*b*d^-1*a*d^-1*d^-1*a^-1*d,
b^-1*a^-1*b*b*a*b*d^-1*c^-1,
c*b*c^-1*c^-1*b^-1*c^-1*a^-1*d,
b^-1*a^-1*c*d*c*c*d^-1*c^-1,
d^-1*c^-1*a^-1*b^-1*a^-1*a^-1*b*a,
a*d^-1*a^-1*a^-1*d*a^-1*c*b,
d^-1*c^-1*d*d*c*d*b*a,
a*d^-1*b^-1*c^-1*b^-1*b^-1*c*b,
a^-1*d*b*c*b*b*c^-1*b^-1,
d*c*d^-1*d^-1*c^-1*d^-1*b^-1*a^-1,
a^-1*d*a*a*d^-1*a*c^-1*b^-1,
d*c*a*b*a*a*b^-1*a^-1,
b*a*c^-1*d^-1*c^-1*c^-1*d*c,
c^-1*b^-1*c*c*b*c*a*d^-1,
b*a*b^-1*b^-1*a^-1*b^-1*d*c,
c^-1*b^-1*d*a^-1*d*d*a*d^-1,
c*b*d^-1*b*a^-1*a^-1*d,
b^-1*a^-1*a^-1*d^-1*b*d^-1*c^-1,
c*b*b*a^-1*c^-1*a^-1*d,
b^-1*a^-1*c*a^-1*d^-1*d^-1*c^-1,
d^-1*c^-1*a^-1*c^-1*b*b*a,
a*d^-1*d^-1*c*a^-1*c*b,
d^-1*c^-1*c^-1*b*d*b*a,
a*d^-1*b^-1*d^-1*c*c*b,
a^-1*d*b*d*c^-1*c^-1*b^-1,
d*c*c*b^-1*d^-1*b^-1*a^-1,
a^-1*d*d*c^-1*a*c^-1*b^-1,
d*c*a*c*b^-1*b^-1*a^-1,
b*a*c^-1*a*d*d*c,
c^-1*b^-1*b^-1*a*c*a*d^-1,
b*a*a*d*b^-1*d*c,
c^-1*b^-1*d*b^-1*a*a*d^-1,
c*b*c*b*d^-1*a*d^-1*a^-1*d,
b^-1*a^-1*b*a*b*d^-1*c^-1*d^-1*c^-1,
c*b*c^-1*b^-1*c^-1*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*c*d*c*d^-1*c^-1,
d^-1*c^-1*d^-1*c^-1*a^-1*b^-1*a^-1*b*a,
a*d^-1*a^-1*d*a^-1*c*b*c*b,
d^-1*c^-1*d*c*d*b*a*b*a,
a*d^-1*a*d^-1*b^-1*c^-1*b^-1*c*b,
a^-1*d*a^-1*d*b*c*b*c^-1*b^-1,
d*c*d^-1*c^-1*d^-1*b^-1*a^-1*b^-1*a^-1,
a^-1*d*a*d^-1*a*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*a*b*a*b^-1*a^-1,
b*a*b*a*c^-1*d^-1*c^-1*d*c,
c^-1*b^-1*c*b*c*a*d^-1*a*d^-1,
b*a*b^-1*a^-1*b^-1*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*d*a^-1*d*a*d^-1,
c*b*d^-1*b*c*b*a^-1*d,
b^-1*a^-1*d^-1*c^-1*d^-1*b*d^-1*c^-1,
c*b*a^-1*d*a^-1*c^-1*a^-1*d,
b^-1*a^-1*c*a^-1*b^-1*a^-1*d^-1*c^-1,
d^-1*c^-1*a^-1*c^-1*d^-1*c^-1*b*a,
a*d^-1*c*b*c*a^-1*c*b,
d^-1*c^-1*b*a*b*d*b*a,
a*d^-1*b^-1*d^-1*a*d^-1*c*b,
a^-1*d*b*d*a^-1*d*c^-1*b^-1,
d*c*b^-1*a^-1*b^-1*d^-1*b^-1*a^-1,
a^-1*d*c^-1*b^-1*c^-1*a*c^-1*b^-1,
d*c*a*c*d*c*b^-1*a^-1,
b*a*c^-1*a*b*a*d*c,
c^-1*b^-1*a*d^-1*a*c*a*d^-1,
b*a*d*c*d*b^-1*d*c,
c^-1*b^-1*d*b^-1*c^-1*b^-1*a*d^-1,
c*b*c*d*c*a^-1*c*a^-1*d,
b^-1*a^-1*c^-1*a^-1*c^-1*b^-1*c^-1*d^-1*c^-1,
c*b*d*b*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*d^-1*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*a*d^-1*b*d^-1*b*a,
a*d^-1*b*d^-1*b*a*b*c*b,
d^-1*c^-1*a*c^-1*a*d^-1*a*b*a,
a*d^-1*a*b*a*c*a*c*b,
a^-1*d*a^-1*b^-1*a^-1*c^-1*a^-1*c^-1*b^-1,
d*c*a^-1*c*a^-1*d*a^-1*b^-1*a^-1,
a^-1*d*b^-1*d*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*b^-1*d*b^-1*a^-1,
b*a*b*c*b*d*b*d*c,
c^-1*b^-1*d^-1*b^-1*d^-1*c^-1*d^-1*a*d^-1,
b*a*c*a*c*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c^-1*a*c^-1*a*d^-1,
c*b*c*b*c*d*c*b*a^-1*d,
b^-1*a^-1*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*d^-1*c^-1,
c*b*a^-1*d*c*d*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*c^-1*d^-1*a*d^-1*c^-1*b*a,
a*d^-1*c*b*a*b*c*b*c*b,
d^-1*c^-1*b*a*d^-1*a*b*a*b*a,
a*d^-1*a*d^-1*a*b*a*d^-1*c*b,
a^-1*d*a^-1*d*a^-1*b^-1*a^-1*d*c^-1*b^-1,
d*c*b^-1*a^-1*d*a^-1*b^-1*a^-1*b^-1*a^-1,
a^-1*d*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*d*a^-1*d*c*b^-1*a^-1,
b*a*b*a*b*c*b*a*d*c,
c^-1*b^-1*a*d^-1*c^-1*d^-1*a*d^-1*a*d^-1,
b*a*d*c*b*c*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*a*d^-1,
c*a^-1*d*d*a^-1*c*a^-1*d,
b^-1*a^-1*c^-1*a^-1*b^-1*b^-1*a^-1*c^-1,
c*b*d*b*c*c*b*d,
b^-1*d^-1*c^-1*c^-1*d^-1*b^-1*d^-1*c^-1,
d^-1*b*a*a*b*d^-1*b*a,
a*d^-1*b*d^-1*a*a*d^-1*b,
d^-1*c^-1*a*c^-1*d^-1*d^-1*c^-1*a,
a*c*b*b*c*a*c*b,
a^-1*c^-1*b^-1*b^-1*c^-1*a^-1*c^-1*b^-1,
d*c*a^-1*c*d*d*c*a^-1,
a^-1*d*b^-1*d*a^-1*a^-1*d*b^-1,
d*b^-1*a^-1*a^-1*b^-1*d*b^-1*a^-1,
b*d*c*c*d*b*d*c,
c^-1*b^-1*d^-1*b^-1*c^-1*c^-1*b^-1*d^-1,
b*a*c*a*b*b*a*c,
c^-1*a*d^-1*d^-1*a*c^-1*a*d^-1,
c*a^-1*d*c*d*a^-1*d^-1*a^-1*d,
b^-1*a^-1*b*a^-1*b^-1*c^-1*b^-1*a^-1*c^-1,
c*b*c^-1*b*c*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*c^-1*d^-1*c*d^-1*c^-1,
d^-1*b*a*d^-1*a*b*a^-1*b*a,
a*d^-1*a^-1*d^-1*a*b*a*d^-1*b,
d^-1*c^-1*d*c^-1*d^-1*a*d^-1*c^-1*a,
a*c*b*a*b*c*b^-1*c*b,
a^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b*c^-1*b^-1,
d*c*d^-1*c*d*a^-1*d*c*a^-1,
a^-1*d*a*d*a^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*a^-1*b^-1*a*b^-1*a^-1,
b*d*c*b*c*d*c^-1*d*c,
c^-1*b^-1*c*b^-1*c^-1*d^-1*c^-1*b^-1*d^-1,
b*a*b^-1*a*b*c*b*a*c,
c^-1*a*d^-1*c^-1*d^-1*a*d*a*d^-1,
c*d^-1*c*d*a^-1*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*a^-1*b^-1*c^-1*b*c^-1,
c*b*c*d*b*c*d*c^-1*d,
b^-1*c*b^-1*c^-1*d^-1*b^-1*c^-1*d^-1*c^-1,
d^-1*a^-1*d^-1*a*b*d^-1*a*b*a,
a*d^-1*a*b*d^-1*a*b*a^-1*b,
d^-1*c^-1*d^-1*a*c^-1*d^-1*a*d*a,
a*b^-1*a*b*c*a*b*c*b,
a^-1*b*a^-1*b^-1*c^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*c*d*a^-1*d^-1*a^-1,
a^-1*d*a^-1*b^-1*d*a^-1*b^-1*a*b^-1,
d*a*d*a^-1*b^-1*d*a^-1*b^-1*a^-1,
b*c^-1*b*c*d*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*b^-1*c^-1*d^-1*c*d^-1,
b*a*b*c*a*b*c*b^-1*c,
c^-1*d*c^-1*d^-1*a*c^-1*d^-1*a*d^-1,
c*c*d*b*c*d*b*d,
b^-1*d^-1*b^-1*c^-1*d^-1*b^-1*c^-1*c^-1,
c*a^-1*c*d*a^-1*c*d*d,
b^-1*b^-1*c^-1*a^-1*b^-1*c^-1*a^-1*c^-1,
d^-1*d^-1*a*c^-1*d^-1*a*c^-1*a,
a*c*a*b*c*a*b*b,
d^-1*b*d^-1*a*b*d^-1*a*a,
a*a*b*d^-1*a*b*d^-1*b,
a^-1*a^-1*b^-1*d*a^-1*b^-1*d*b^-1,
d*b^-1*d*a^-1*b^-1*d*a^-1*a^-1,
a^-1*c^-1*a^-1*b^-1*c^-1*a^-1*b^-1*b^-1,
d*d*a^-1*c*d*a^-1*c*a^-1,
b*b*c*a*b*c*a*c,
c^-1*a*c^-1*d^-1*a*c^-1*d^-1*d^-1,
b*d*b*c*d*b*c*c,
c^-1*c^-1*d^-1*b^-1*c^-1*d^-1*b^-1*d^-1,
c*d*b^-1*a^-1*d*c*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*c^-1*b^-1*a^-1*d*b^-1*c^-1,
c*b*c*d*a*b*c*d*c*d,
b^-1*c^-1*a*d^-1*c^-1*b^-1*b^-1*c^-1*d^-1*c^-1,
d^-1*a*c*b*a*d^-1*d^-1*a*b*a,
a*d^-1*a*b*b*a*d^-1*c^-1*a*b,
d^-1*c^-1*d^-1*a*a*d^-1*c^-1*b^-1*d^-1*a,
a*b*a*b*c*d*a*b*c*b,
a^-1*b^-1*d^-1*c^-1*b^-1*a^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*a^-1*d*c*b*d*a^-1,
a^-1*d*a^-1*b^-1*b^-1*a^-1*d*c*a^-1*b^-1,
d*a^-1*c^-1*b^-1*a^-1*d*d*a^-1*b^-1*a^-1,
b*c*a^-1*d*c*b*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*d^-1*c^-1*b^-1*a^-1*c^-1*d^-1,
b*a*b*c*c*b*a*d^-1*b*c,
c^-1*d^-1*b*a*d^-1*c^-1*c^-1*d^-1*a*d^-1,
c*d*b*d*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*d^-1*b^-1*c^-1,
c*a^-1*d*c*b*c*a^-1*c*d,
b^-1*c^-1*a^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*a*c^-1*a*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a*c*a*b,
d^-1*b*a*d^-1*c^-1*d^-1*b*d^-1*a,
a*b*d^-1*b*c*b*a*d^-1*b,
a^-1*b^-1*d*b^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d*b^-1*d*a^-1,
a^-1*c^-1*b^-1*a^-1*d*a^-1*c^-1*a^-1*b^-1,
d*a^-1*c*a^-1*b^-1*a^-1*d*c*a^-1,
b*c*a*c*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c^-1*a*c^-1*d^-1,
b*a*b*c*d*b*d*b*c,
c^-1*d^-1*b^-1*d^-1*a*d^-1*c^-1*b^-1*d^-1,
c*d*d*b*a*d^-1*c^-1*d,
b^-1*c*b*a*d^-1*b^-1*b^-1*c^-1,
c*d^-1*c^-1*b^-1*a^-1*c*c*d,
b^-1*c^-1*c^-1*a^-1*d*c*b*c^-1,
d^-1*a*a*c^-1*b^-1*a^-1*d*a,
a*b^-1*a^-1*d*c*a*a*b,
d^-1*a^-1*d*c*b*d^-1*d^-1*a,
a*b*b*d^-1*c^-1*b^-1*a^-1*b,
a^-1*b^-1*b^-1*a*b*c*d*b^-1,
d*a*d^-1*c^-1*b^-1*d*d*a^-1,
a^-1*b*a*d^-1*c^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*c*b*a*d^-1*a^-1,
b*c*c*a*d^-1*c^-1*b^-1*c,
c^-1*a*b*c*d*c^-1*c^-1*d^-1,
b*c^-1*b^-1*a^-1*d*b*b*c,
c^-1*d^-1*d^-1*b^-1*a^-1*d*c*d^-1,
c*d*b*a*d^-1*c^-1*a*b*d,
b^-1*d^-1*a*c*b*a*d^-1*b^-1*c^-1,
c*a^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c*d,
b^-1*c^-1*a^-1*d*c*b*d*a^-1*c^-1,
d^-1*a*c^-1*b^-1*a^-1*d*b^-1*c^-1*a,
a*c*d*b^-1*a^-1*d*c*a*b,
d^-1*b*c*a^-1*d*c*b*d^-1*a,
a*b*d^-1*c^-1*b^-1*a^-1*c^-1*d^-1*b,
a^-1*b^-1*a*b*c*d*c*d*b^-1,
d*b^-1*c^-1*a*d^-1*c^-1*b^-1*d*a^-1,
a^-1*c^-1*d^-1*b*a*d^-1*c^-1*a^-1*b^-1,
d*a^-1*c*b*a*d^-1*b*c*a^-1,
b*c*a*d^-1*c^-1*b^-1*d^-1*a*c,
c^-1*a*b*a*b*c*d*c^-1*d^-1,
b*d*a^-1*c^-1*b^-1*a^-1*d*b*c,
c^-1*d^-1*b^-1*a^-1*d*c*a^-1*b^-1*d^-1,
c*d*a*b*c*d*b^-1*d,
b^-1*d*a*d^-1*c^-1*b^-1*b^-1*c^-1,
c*a*b^-1*a^-1*d*c*c*d,
b^-1*c^-1*c^-1*b^-1*a^-1*d*a*c^-1,
d^-1*a*a*d^-1*c^-1*b^-1*c*a,
a*c^-1*a*b*c*d*a*b,
d^-1*b^-1*c*b*a*d^-1*d^-1*a,
a*b*b*a*d^-1*c^-1*d*b,
a^-1*b^-1*b^-1*a^-1*d*c*d^-1*b^-1,
d*b*c^-1*b^-1*a^-1*d*d*a^-1,
a^-1*c*d^-1*c^-1*b^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*d*c*b*c^-1*a^-1,
b*c*c*b*a*d^-1*a^-1*c,
c^-1*a^-1*b*a*d^-1*c^-1*c^-1*d^-1,
b*d^-1*a^-1*d*c*b*b*c,
c^-1*d^-1*d^-1*c^-1*b^-1*a^-1*b*d^-1,
b^-1*d*a*a*b*c*d,
a*d^-1*c^-1*b^-1*a*b^-1*d,
b^-1*a^-1*d*c*b^-1*c*a,
a*c^-1*d*c^-1*b^-1*a^-1*d,
c*a*b^-1*a*d^-1*c^-1*b^-1,
a*b*c*d*d*a*c^-1,
c*b*a*d^-1*c*d^-1*b^-1,
d*b*c^-1*b*a*d^-1*c^-1,
d^-1*b^-1*c*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*c^-1*d*b,
d^-1*c^-1*b^-1*a^-1*d^-1*a^-1*c,
c^-1*a^-1*b*a^-1*d*c*b,
a^-1*c*d^-1*c*b*a*d^-1,
b*a*d^-1*c^-1*b*c^-1*a^-1,
a^-1*d*c*b*a^-1*b*d^-1,
b*d^-1*a^-1*d^-1*c^-1*b^-1*a^-1,
c*b*c*b*c*a*d^-1*a^-1*d,
b^-1*a^-1*b*a*c^-1*d^-1*c^-1*d^-1*c^-1,
c*b*c^-1*b^-1*d*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*b^-1*d*c*d^-1*c^-1,
d^-1*c^-1*d^-1*c^-1*d^-1*b^-1*a^-1*b*a,
a*d^-1*a^-1*d*b*c*b*c*b,
d^-1*c^-1*d*c*a*b*a*b*a,
a*d^-1*a*d^-1*a*c^-1*b^-1*c*b,
a^-1*d*a^-1*d*a^-1*c*b*c^-1*b^-1,
d*c*d^-1*c^-1*a^-1*b^-1*a^-1*b^-1*a^-1,
a^-1*d*a*d^-1*b^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*d*b*a*b^-1*a^-1,
b*a*b*a*b*d^-1*c^-1*d*c,
c^-1*b^-1*c*b*d^-1*a*d^-1*a*d^-1,
b*a*b^-1*a^-1*c*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*c^-1*a^-1*d*a*d^-1,
c*a^-1*d*c*b*d*c*d^-1*a^-1*d,
b^-1*a^-1*b*c^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*c^-1*d*c*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b^-1*c*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*a*d^-1*a^-1*b*a,
a*d^-1*a^-1*b*a*c*b*a*d^-1*b,
d^-1*c^-1*d*a*d^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*b*a*b^-1*c*b,
a^-1*c^-1*b^-1*a^-1*d*b^-1*a^-1*b*c^-1*b^-1,
d*c*d^-1*a^-1*d*b^-1*a^-1*d*c*a^-1,
a^-1*d*a*b^-1*a^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*a^-1*d*a*b^-1*a^-1,
b*a*b*c*d*c*b*c^-1*d*c,
c^-1*b^-1*c*d^-1*c^-1*a*d^-1*c^-1*b^-1*d^-1,
b*a*b^-1*c*b*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*d^-1*c^-1*d*a*d^-1,
c*a^-1*d*c*b*d^-1*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*c*d*c^-1*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*c*b^-1*c^-1*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*a^-1*d^-1*a*b*a,
a*d^-1*a*b*a^-1*c*b*a*d^-1*b,
d^-1*c^-1*d^-1*a*d*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*b^-1*a*b*c*b,
a^-1*c^-1*b^-1*a^-1*d*b*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d^-1*b^-1*a^-1*d*c*a^-1,
a^-1*d*a^-1*b^-1*a*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*a*d*a^-1*b^-1*a^-1,
b*a*b*c*d*c^-1*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c*a*d^-1*c^-1*b^-1*d^-1,
b*a*b*c*b^-1*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*d*c^-1*d^-1*a*d^-1,
c*d^-1*c^-1*d^-1*d^-1*a^-1*d,
b^-1*a^-1*b*b*c*b*c^-1,
c*b*c^-1*c^-1*d^-1*c^-1*d,
b^-1*c*b*c*c*d^-1*c^-1,
d^-1*a^-1*d*a^-1*a^-1*b*a,
a*d^-1*a^-1*a^-1*b^-1*a^-1*b,
d^-1*c^-1*d*d*a^-1*d*a,
a*b^-1*a^-1*b^-1*b^-1*c*b,
a^-1*b*a*b*b*c^-1*b^-1,
d*c*d^-1*d^-1*a*d^-1*a^-1,
a^-1*d*a*a*b*a*b^-1,
d*a*d^-1*a*a*b^-1*a^-1,
b*c^-1*b^-1*c^-1*c^-1*d*c,
c^-1*b^-1*c*c*d*c*d^-1,
b*a*b^-1*b^-1*c^-1*b^-1*c,
c^-1*d*c*d*d*a*d^-1,
c*d^-1*c*c*b*d,
b^-1*d^-1*c^-1*c^-1*b*c^-1,
c*a^-1*d*d*c^-1*d,
b^-1*c*b^-1*b^-1*a^-1*c^-1,
d^-1*a^-1*d^-1*d^-1*c^-1*a,
a*c*b*b*a^-1*b,
d^-1*b*a*a*d*a,
a*b^-1*a*a*d^-1*b,
a^-1*b*a^-1*a^-1*d*b^-1,
d*b^-1*a^-1*a^-1*d^-1*a^-1,
a^-1*c^-1*b^-1*b^-1*a*b^-1,
d*a*d*d*c*a^-1,
b*c^-1*b*b*a*c,
c^-1*a*d^-1*d^-1*c*d^-1,
b*d*c*c*b^-1*c,
c^-1*d*c^-1*c^-1*b^-1*d^-1,
c*d*b^-1*a^-1*d*c*a*b*d,
b^-1*d^-1*a*c^-1*b^-1*a^-1*d*b^-1*c^-1,
c*a^-1*b^-1*a*b*c*d*c*d,
b^-1*c^-1*a*d^-1*c^-1*b^-1*d*a^-1*c^-1,
d^-1*a*c*b*a*d^-1*b^-1*c^-1*a,
a*c*d*b*a*d^-1*c^-1*a*b,
d^-1*b*c*a*d^-1*c^-1*b^-1*d^-1*a,
a*b*a*b*c*d*c^-1*d^-1*b,
a^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c*d*b^-1,
d*b^-1*c^-1*a^-1*d*c*b*d*a^-1,
a^-1*c^-1*d^-1*b^-1*a^-1*d*c*a^-1*b^-1,
d*a^-1*c^-1*b^-1*a^-1*d*b*c*a^-1,
b*c*a^-1*d*c*b*d^-1*a*c,
c^-1*a*b*d^-1*c^-1*b^-1*a^-1*c^-1*d^-1,
b*d*a^-1*c*b*a*d^-1*b*c,
c^-1*d^-1*b*a*d^-1*c^-1*a^-1*b^-1*d^-1,
c*d*c^-1*d^-1*a*d*d,
b^-1*b^-1*a*b*c*b^-1*c^-1,
c*c*b^-1*c^-1*d^-1*c*d,
b^-1*c^-1*b*c*d*c^-1*c^-1,
d^-1*a*d*a^-1*b^-1*a*a,
a*a*d*a^-1*b^-1*a*b,
d^-1*d^-1*c*d*a^-1*d^-1*a,
a*b*a^-1*b^-1*c^-1*b*b,
a^-1*b^-1*a*b*c*b^-1*b^-1,
d*d*c^-1*d^-1*a*d*a^-1,
a^-1*a^-1*d^-1*a*b*a^-1*b^-1,
d*a^-1*d^-1*a*b*a^-1*a^-1,
b*c*b^-1*c^-1*d^-1*c*c,
c^-1*c^-1*b*c*d*c^-1*d^-1,
b*b*a^-1*b^-1*c^-1*b*c,
c^-1*d^-1*c*d*a^-1*d^-1*d^-1,
b^-1*a*b*d^-1*a*a,
a*a*b*d^-1*a*d,
b^-1*b^-1*c^-1*a^-1*b^-1*a,
a*d*a^-1*c*d*d,
c*b^-1*c^-1*a^-1*b^-1*b^-1,
d*d*a^-1*c*d*c^-1,
c*c*d*b*c*b^-1,
d*c^-1*d^-1*b^-1*c^-1*c^-1,
d^-1*c*d*b*c*c,
c^-1*c^-1*d^-1*b^-1*c^-1*b,
d^-1*d^-1*a*c^-1*d^-1*c,
c^-1*b*c*a*b*b,
a^-1*d^-1*a*c^-1*d^-1*d^-1,
b*b*c*a*b*a^-1,
a^-1*a^-1*b^-1*d*a^-1*d^-1,
b*a^-1*b^-1*d*a^-1*a^-1,
c*b*a^-1*d*c*a^-1*d*c*b*a^-1*d,
b^-1*a^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b^-1*a^-1*d^-1*c^-1,
c*b*a^-1*d*c*b*d*c*b*a^-1*d,
b^-1*a^-1*d^-1*c^-1*b^-1*d^-1*c^-1*b^-1*a^-1*d^-1*c^-1,
d^-1*c^-1*b*a*d^-1*b*a*d^-1*c^-1*b*a,
a*d^-1*c*b*a*d^-1*b*a*d^-1*c*b,
d^-1*c^-1*b*a*d^-1*c^-1*a*d^-1*c^-1*b*a,
a*d^-1*c*b*a*c*b*a*d^-1*c*b,
a^-1*d*c^-1*b^-1*a^-1*c^-1*b^-1*a^-1*d*c^-1*b^-1,
d*c*b^-1*a^-1*d*c*a^-1*d*c*b^-1*a^-1,
a^-1*d*c^-1*b^-1*a^-1*d*b^-1*a^-1*d*c^-1*b^-1,
d*c*b^-1*a^-1*d*b^-1*a^-1*d*c*b^-1*a^-1,
b*a*a*b*c*d*b*c*d*d*c,
c^-1*b^-1*a*d^-1*c^-1*b^-1*d^-1*c^-1*b^-1*a*d^-1,
b*a*a*b*c*a*b*c*d*d*c,
c^-1*b^-1*a*d^-1*c^-1*a*d^-1*c^-1*b^-1*a*d^-1,
c*b*d^-1*a*d^-1*a*d^-1*a^-1*d,
b^-1*a^-1*b*a*b*a*b*d^-1*c^-1,
c*b*c^-1*b^-1*c^-1*b^-1*c^-1*a^-1*d,
b^-1*a^-1*c*d*c*d*c*d^-1*c^-1,
d^-1*c^-1*a^-1*b^-1*a^-1*b^-1*a^-1*b*a,
a*d^-1*a^-1*d*a^-1*d*a^-1*c*b,
d^-1*c^-1*d*c*d*c*d*b*a,
a*d^-1*b^-1*c^-1*b^-1*c^-1*b^-1*c*b,
a^-1*d*b*c*b*c*b*c^-1*b^-1,
d*c*d^-1*c^-1*d^-1*c^-1*d^-1*b^-1*a^-1,
a^-1*d*a*d^-1*a*d^-1*a*c^-1*b^-1,
d*c*a*b*a*b*a*b^-1*a^-1,
b*a*c^-1*d^-1*c^-1*d^-1*c^-1*d*c,
c^-1*b^-1*c*b*c*b*c*a*d^-1,
b*a*b^-1*a^-1*b^-1*a^-1*b^-1*d*c,
c^-1*b^-1*d*a^-1*d*a^-1*d*a*d^-1,
c*b*c*d*c*b*c*d*c*a^-1*d,
b^-1*a^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1,
c*b*d*c*d*a^-1*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*a*d^-1*c^-1*d^-1*a*d^-1*b*a,
a*d^-1*b*a*b*c*b*a*b*c*b,
d^-1*c^-1*a*d^-1*a*b*a*d^-1*a*b*a,
a*d^-1*a*b*a*d^-1*a*b*a*c*b,
a^-1*d*a^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*c^-1*b^-1,
d*c*a^-1*d*a^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1,
a^-1*d*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*c*d*a^-1*d*b^-1*a^-1,
b*a*b*c*b*a*b*c*b*d*c,
c^-1*b^-1*d^-1*c^-1*d^-1*a*d^-1*c^-1*d^-1*a*d^-1,
b*a*c*b*c*d*c*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*a*d^-1,
c*b*c*d*c^-1*d*c*a^-1*d,
b^-1*a^-1*c^-1*b^-1*c*b^-1*c^-1*d^-1*c^-1,
c*b*d*c*d^-1*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b*c^-1*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*a*d*a*d^-1*b*a,
a*d^-1*b*a*b^-1*a*b*c*b,
d^-1*c^-1*a*d^-1*a^-1*d^-1*a*b*a,
a*d^-1*a*b*a^-1*b*a*c*b,
a^-1*d*a^-1*b^-1*a*b^-1*a^-1*c^-1*b^-1,
d*c*a^-1*d*a*d*a^-1*b^-1*a^-1,
a^-1*d*b^-1*a^-1*b*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d^-1*a^-1*d*b^-1*a^-1,
b*a*b*c*b^-1*c*b*d*c,
c^-1*b^-1*d^-1*c^-1*d*c^-1*d^-1*a*d^-1,
b*a*c*b*c^-1*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c*d^-1*c^-1*a*d^-1,
c*b*a^-1*c^-1*a^-1*a^-1*d,
b^-1*a^-1*a^-1*c*a^-1*d^-1*c^-1,
c*b*b*d^-1*b*a^-1*d,
b^-1*a^-1*d^-1*b*d^-1*d^-1*c^-1,
d^-1*c^-1*b*d*b*b*a,
a*d^-1*d^-1*b^-1*d^-1*c*b,
d^-1*c^-1*c^-1*a^-1*c^-1*b*a,
a*d^-1*c*a^-1*c*c*b,
a^-1*d*c^-1*a*c^-1*c^-1*b^-1,
d*c*c*a*c*b^-1*a^-1,
a^-1*d*d*b*d*c^-1*b^-1,
d*c*b^-1*d^-1*b^-1*b^-1*a^-1,
b*a*d*b^-1*d*d*c,
c^-1*b^-1*b^-1*d*b^-1*a*d^-1,
b*a*a*c^-1*a*d*c,
c^-1*b^-1*a*c*a*a*d^-1,
c*b*c*a*a*d^-1*a^-1*d,
b^-1*a^-1*b*a*a*c^-1*d^-1*c^-1,
c*b*c^-1*b^-1*b^-1*d*a^-1*d,
b^-1*a^-1*b^-1*d*d*c*d^-1*c^-1,
d^-1*c^-1*d^-1*b^-1*b^-1*a^-1*b*a,
a*d^-1*a^-1*d*d*b*c*b,
d^-1*c^-1*d*c*c*a*b*a,
a*d^-1*a*c^-1*c^-1*b^-1*c*b,
a^-1*d*a^-1*c*c*b*c^-1*b^-1,
d*c*d^-1*c^-1*c^-1*a^-1*b^-1*a^-1,
a^-1*d*a*d^-1*d^-1*b^-1*c^-1*b^-1,
d*c*d*b*b*a*b^-1*a^-1,
b*a*b*d^-1*d^-1*c^-1*d*c,
c^-1*b^-1*c*b*b*d^-1*a*d^-1,
b*a*b^-1*a^-1*a^-1*c*d*c,
c^-1*b^-1*c^-1*a^-1*a^-1*d*a*d^-1,
c*b^-1*c*b*d*a^-1*d,
b^-1*a^-1*b^-1*d^-1*c^-1*d*c^-1,
c*b*c*a^-1*d*a*d,
b^-1*a*b^-1*a^-1*c^-1*d^-1*c^-1,
d^-1*c*d^-1*c^-1*a*b*a,
a*d^-1*a*c*b*c^-1*b,
d^-1*c^-1*d^-1*b*a*b^-1*a,
a*d*a*d^-1*b*c*b,
a^-1*d^-1*a^-1*d*b^-1*c^-1*b^-1,
d*c*d*b^-1*a^-1*b*a^-1,
a^-1*d*a^-1*c^-1*b^-1*c*b^-1,
d*c^-1*d*c*a^-1*b^-1*a^-1,
b*a^-1*b*a*c*d*c,
c^-1*b^-1*c^-1*a*d^-1*a^-1*d^-1,
b*a*b*d*c*d^-1*c,
c^-1*b*c^-1*b^-1*d^-1*a*d^-1,
b^-1*a^-1*d*c*a*b*b*d,
b^-1*d^-1*d^-1*a*c^-1*b^-1*a^-1*d,
c*a^-1*a^-1*b^-1*a*b*c*d,
a*d^-1*c^-1*b^-1*d*a^-1*a^-1*c^-1,
c*b*a*d^-1*b^-1*c^-1*c^-1*a,
a*c*c*d*b*a*d^-1*c^-1,
d^-1*b*b*c*a*d^-1*c^-1*b^-1,
a*b*c*d*c^-1*d^-1*d^-1*b,
d^-1*c^-1*b^-1*a^-1*c*d*d*b^-1,
d*b^-1*b^-1*c^-1*a^-1*d*c*b,
a^-1*c^-1*c^-1*d^-1*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*b*c*c*a^-1,
a^-1*d*c*b*d^-1*a*a*c,
c^-1*a*a*b*d^-1*c^-1*b^-1*a^-1,
b*d*d*a^-1*c*b*a*d^-1,
b*a*d^-1*c^-1*a^-1*b^-1*b^-1*d^-1,
c*d*a^-1*b*a^-1*b^-1*d,
b^-1*d*a^-1*d^-1*a^-1*b^-1*c^-1,
c*a*b*a^-1*b*c*d,
b^-1*c^-1*d^-1*a^-1*d^-1*a*c^-1,
d^-1*a*b*c^-1*b*c*a,
a*c^-1*d^-1*c*d^-1*a*b,
d^-1*b^-1*c^-1*b*c^-1*d^-1*a,
a*b*c*d^-1*c*d*b,
a^-1*b^-1*c^-1*d*c^-1*d^-1*b^-1,
d*b*c*b^-1*c*d*a^-1,
a^-1*c*d*c^-1*d*a^-1*b^-1,
d*a^-1*b^-1*c*b^-1*c^-1*a^-1,
b*c*d*a*d*a^-1*c,
c^-1*a^-1*b^-1*a*b^-1*c^-1*d^-1,
b*d^-1*a*d*a*b*c,
c^-1*d^-1*a*b^-1*a*b*d^-1,
c*b*c*a*d^-1*c^-1*b^-1*c^-1*a^-1*d,
b^-1*a^-1*c*a*b*c*d*c^-1*d^-1*c^-1,
c*b*d^-1*a*d^-1*c^-1*b^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a*b*c*d*b*d^-1*c^-1,
d^-1*c^-1*d^-1*b^-1*a^-1*d*c*d*b*a,
a*d^-1*b^-1*c^-1*b^-1*a^-1*d*b*c*b,
d^-1*c^-1*a^-1*b^-1*a^-1*d*c*a*b*a,
a*d^-1*a*c^-1*b^-1*a^-1*d*a^-1*c*b,
c*d^-1*a*d^-1*c^-1*d*a^-1*d,
b^-1*a^-1*b^-1*c*b*a*b*c^-1,
c*b*c*d^-1*c^-1*b^-1*c^-1*d,
b^-1*c*d*c*b*c^-1*d^-1*c^-1,
d^-1*a^-1*b^-1*a^-1*d*a*b*a,
a*d^-1*a*b^-1*a^-1*d*a^-1*b,
d^-1*c^-1*d^-1*a^-1*d*c*d*a,
a*b^-1*c^-1*b^-1*a^-1*b*c*b,
c*b^-1*d^-1*c^-1*b*d,
b^-1*d^-1*c*b*d*c^-1,
c*a^-1*d^-1*c^-1*a*d,
b^-1*a*c*b*a^-1*c^-1,
d^-1*c*a^-1*d*c^-1*a,
a*c*b^-1*a^-1*c^-1*b,
d^-1*b*a^-1*d*b^-1*a,
a*d*b^-1*a^-1*d^-1*b,
b^-1*a^-1*d*c*d^-1*b*a*d^-1*c^-1*d,
b^-1*c*b*a*d^-1*b*c^-1*b^-1*a^-1*d,
c*d^-1*c^-1*b^-1*a^-1*c^-1*a*b*c*d,
a*d^-1*c^-1*b^-1*c*a^-1*d*c*b*c^-1,
c*b*a*d^-1*a^-1*c^-1*b^-1*a^-1*d*a,
a*b^-1*a^-1*d*c*a^-1*b*a*d^-1*c^-1,
d^-1*a^-1*d*c*b*d*a*d^-1*c^-1*b^-1,
a*b*c*d*b^-1*d^-1*c^-1*b^-1*a^-1*b,
c*d*a^-1*d^-1*c^-1*d^-1*a*d,
b^-1*a*b*c*b*a^-1*b^-1*c^-1,
c*b^-1*c^-1*d^-1*c^-1*b*c*d,
b^-1*c^-1*d^-1*c*b*c*d*c^-1,
d^-1*a*b*a^-1*d*a^-1*b^-1*a,
a*d*a^-1*b^-1*a^-1*d^-1*a*b,
d^-1*c*d*a^-1*d*c^-1*d^-1*a,
a*b*c*b^-1*a^-1*b^-1*c^-1*b,
b^-1*c^-1*a^-1*b*c*a,
a*c^-1*d^-1*a^-1*c*d,
b^-1*d*a^-1*b*d^-1*a,
a*b*d^-1*a^-1*b^-1*d,
c*d*b*c^-1*d^-1*b^-1,
d*b*c*d^-1*b^-1*c^-1,
c*a*b*c^-1*a^-1*b^-1,
d*a^-1*c*d^-1*a*c^-1,
c*b*d^-1*a*d^-1*c^-1*b^-1*c^-1*a^-1*d,
b^-1*a^-1*c*a*b*c*d*b*d^-1*c^-1,
d^-1*c^-1*a^-1*b^-1*a^-1*d*c*d*b*a,
a*d^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1*c*b,
a^-1*d*b*c*b*a*d^-1*a*c^-1*b^-1,
d*c*a*b*a*d^-1*c^-1*d^-1*b^-1*a^-1,
b*a*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*d*c,
c^-1*b^-1*d*a^-1*d*c*b*c*a*d^-1,
c*b*c*d^-1*c^-1*b^-1*c^-1*a^-1*d,
b^-1*a^-1*c*d*c*b*c^-1*d^-1*c^-1,
c*b*d^-1*a*d^-1*c^-1*d*a^-1*d,
b^-1*a^-1*b^-1*c*b*a*b*d^-1*c^-1,
d^-1*c^-1*d^-1*a^-1*d*c*d*b*a,
a*d^-1*b^-1*c^-1*b^-1*a^-1*b*c*b,
d^-1*c^-1*a^-1*b^-1*a^-1*d*a*b*a,
a*d^-1*a*b^-1*a^-1*d*a^-1*c*b,
a^-1*d*a^-1*b*a*d^-1*a*c^-1*b^-1,
d*c*a*b*a*d^-1*a^-1*b^-1*a^-1,
a^-1*d*b*c*b*a*b^-1*c^-1*b^-1,
d*c*d*a*d^-1*c^-1*d^-1*b^-1*a^-1,
b*a*b*c^-1*b^-1*a^-1*b^-1*d*c,
c^-1*b^-1*d*a^-1*d*c*d^-1*a*d^-1,
b*a*c^-1*d^-1*c^-1*b^-1*c*d*c,
c^-1*b^-1*c^-1*d*c*b*c*a*d^-1,
c*b^-1*a^-1*c^-1*b*d,
b^-1*d^-1*c*a^-1*d*c^-1,
c*a^-1*d^-1*b*a*d,
b^-1*a*d^-1*b*a^-1*c^-1,
d^-1*c*b*d*c^-1*a,
a*c*b^-1*d^-1*c^-1*b,
a^-1*d^-1*c^-1*a*d*b^-1,
d*b^-1*a*c*b*a^-1,
c*d*a^-1*d^-1*b*a*d^-1*c^-1*d,
b^-1*c*b*a*d^-1*b*a^-1*b^-1*c^-1,
c*d^-1*c^-1*b^-1*a^-1*c^-1*b*c*d,
b^-1*c^-1*d^-1*c*a^-1*d*c*b*c^-1,
d^-1*a*b*a^-1*c^-1*b^-1*a^-1*d*a,
a*b^-1*a^-1*d*c*a^-1*d^-1*a*b,
d^-1*a^-1*d*c*b*d*c^-1*d^-1*a,
a*b*c*b^-1*d^-1*c^-1*b^-1*a^-1*b,
a^-1*b^-1*c^-1*b*a*b*c*d*b^-1,
d*a*d^-1*c^-1*b^-1*d^-1*c*d*a^-1,
a^-1*b*a*d^-1*c^-1*a*d*a^-1*b^-1,
d*a^-1*b^-1*a*c*b*a*d^-1*a^-1,
b*c*d*c^-1*a*d^-1*c^-1*b^-1*c,
c^-1*a*b*c*d*c*b^-1*c^-1*d^-1,
b*c^-1*b^-1*a^-1*d*b^-1*a*b*c,
c^-1*d^-1*a*d*b^-1*a^-1*d*c*d^-1,
b^-1*a^-1*d*c*a^-1*b*a*d^-1*c^-1*d,
b^-1*c*b*a*d^-1*a^-1*c^-1*b^-1*a^-1*d,
c*d^-1*c^-1*b^-1*a^-1*b*a*b*c*d,
a*d^-1*c^-1*b^-1*d^-1*a^-1*d*c*b*c^-1,
c*b*a*d^-1*b*c^-1*b^-1*a^-1*d*a,
a*b^-1*a^-1*d*c*d^-1*b*a*d^-1*c^-1,
d^-1*c^-1*b^-1*a^-1*c^-1*a*b*c*d*b^-1,
d*a*d^-1*c^-1*b^-1*c*a^-1*d*c*b,
b^-1*d*a^-1*b*c*a,
a*c^-1*d^-1*a^-1*b^-1*d,
c*a*b*c^-1*d^-1*b^-1,
d*b*c*d^-1*a*c^-1,
d^-1*b^-1*c^-1*d*a^-1*c,
c^-1*a^-1*b^-1*c*d*b,
a^-1*c*d*a*b*d^-1,
b*d^-1*a*b^-1*c^-1*a^-1,
c*b*d^-1*a*d^-1*c^-1*d^-1*a^-1*d,
b^-1*a^-1*b*c*b*a*b*d^-1*c^-1,
c*b*c^-1*d^-1*c^-1*b^-1*c^-1*a^-1*d,
b^-1*a^-1*c*d*c*b*c*d^-1*c^-1,
d^-1*c^-1*a^-1*b^-1*a^-1*d*a^-1*b*a,
a*d^-1*a^-1*b^-1*a^-1*d*a^-1*c*b,
d^-1*c^-1*d*a^-1*d*c*d*b*a,
a*d^-1*b^-1*c^-1*b^-1*a^-1*b^-1*c*b,
a^-1*d*b*c*b*a*b*c^-1*b^-1,
d*c*d^-1*a*d^-1*c^-1*d^-1*b^-1*a^-1,
a^-1*d*a*b*a*d^-1*a*c^-1*b^-1,
d*c*a*b*a*d^-1*a*b^-1*a^-1,
b*a*c^-1*d^-1*c^-1*b^-1*c^-1*d*c,
c^-1*b^-1*c*d*c*b*c*a*d^-1,
b*a*b^-1*c^-1*b^-1*a^-1*b^-1*d*c,
c^-1*b^-1*d*a^-1*d*c*d*a*d^-1,
c*a^-1*d*c*b*d*d*c*a^-1*d,
b^-1*a^-1*c^-1*b^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*d*c*c*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*c^-1*c^-1*b^-1*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*a*a*d^-1*b*a,
a*d^-1*b*a*a*c*b*a*d^-1*b,
d^-1*c^-1*a*d^-1*d^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*b*b*a*c*b,
a^-1*c^-1*b^-1*a^-1*d*b^-1*b^-1*a^-1*c^-1*b^-1,
d*c*a^-1*d*d*b^-1*a^-1*d*c*a^-1,
a^-1*d*b^-1*a^-1*a^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*a^-1*a^-1*d*b^-1*a^-1,
b*a*b*c*d*c*c*b*d*c,
c^-1*b^-1*d^-1*c^-1*c^-1*a*d^-1*c^-1*b^-1*d^-1,
b*a*c*b*b*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*d^-1*d^-1*c^-1*a*d^-1,
c*b*d^-1*a*d^-1*b*a^-1*d,
b^-1*a^-1*d^-1*b*a*b*d^-1*c^-1,
c*b*a^-1*c^-1*b^-1*c^-1*a^-1*d,
b^-1*a^-1*c*d*c*a^-1*d^-1*c^-1,
d^-1*c^-1*a^-1*b^-1*a^-1*c^-1*b*a,
a*d^-1*c*a^-1*d*a^-1*c*b,
d^-1*c^-1*b*d*c*d*b*a,
a*d^-1*b^-1*c^-1*b^-1*d^-1*c*b,
a^-1*d*b*c*b*d*c^-1*b^-1,
d*c*b^-1*d^-1*c^-1*d^-1*b^-1*a^-1,
a^-1*d*c^-1*a*d^-1*a*c^-1*b^-1,
d*c*a*b*a*c*b^-1*a^-1,
b*a*c^-1*d^-1*c^-1*a*d*c,
c^-1*b^-1*a*c*b*c*a*d^-1,
b*a*d*b^-1*a^-1*b^-1*d*c,
c^-1*b^-1*d*a^-1*d*b^-1*a*d^-1,
c*b*c*a*c*b*a^-1*d,
b^-1*a^-1*d^-1*c^-1*a*c^-1*d^-1*c^-1,
c*b*a^-1*d*b^-1*d*a^-1*d,
b^-1*a^-1*b^-1*d*b^-1*a^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*b^-1*d^-1*c^-1*b*a,
a*d^-1*c*b*d*b*c*b,
d^-1*c^-1*b*a*c*a*b*a,
a*d^-1*a*c^-1*a*d^-1*c*b,
a^-1*d*a^-1*c*a^-1*d*c^-1*b^-1,
d*c*b^-1*a^-1*c^-1*a^-1*b^-1*a^-1,
a^-1*d*c^-1*b^-1*d^-1*b^-1*c^-1*b^-1,
d*c*d*b*d*c*b^-1*a^-1,
b*a*b*d^-1*b*a*d*c,
c^-1*b^-1*a*d^-1*b*d^-1*a*d^-1,
b*a*d*c*a^-1*c*d*c,
c^-1*b^-1*c^-1*a^-1*c^-1*b^-1*a*d^-1,
c*b*c*b*c*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*c^-1*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*d*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*b^-1*d^-1*c^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*c^-1*d^-1*b*a*b*a,
a*d^-1*a*d^-1*b*c*b*c*b,
d^-1*c^-1*d^-1*c^-1*a*b*a*b*a,
a*d^-1*a*d^-1*a*c*b*c*b,
a^-1*d*a^-1*d*a^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*a^-1*b^-1*a^-1*b^-1*a^-1,
a^-1*d*a^-1*d*b^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*d*b^-1*a^-1*b^-1*a^-1,
b*a*b*a*b*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*d^-1*a*d^-1*a*d^-1,
b*a*b*a*c*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*c^-1*a*d^-1*a*d^-1,
c*b*c*d*c*b*c^-1*a^-1*d,
b^-1*a^-1*c*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1,
c*b*d^-1*a^-1*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*b*d^-1*c^-1,
d^-1*c^-1*d^-1*a*d^-1*c^-1*d*b*a,
a*d^-1*b^-1*c*b*a*b*c*b,
d^-1*c^-1*a^-1*b*a*d^-1*a*b*a,
a*d^-1*a*b*a*d^-1*a^-1*c*b,
a^-1*d*a^-1*b^-1*a^-1*d*a*c^-1*b^-1,
d*c*a*b^-1*a^-1*d*a^-1*b^-1*a^-1,
a^-1*d*b*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*c*d^-1*b^-1*a^-1,
b*a*b*c*b*a*b^-1*d*c,
c^-1*b^-1*d*a*d^-1*c^-1*d^-1*a*d^-1,
b*a*c^-1*d*c*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*c*a*d^-1,
c*a^-1*d^-1*d^-1*a^-1*d,
b^-1*a^-1*b*b*a^-1*c^-1,
c*b*c^-1*c^-1*b*d,
b^-1*d^-1*c*c*d^-1*c^-1,
d^-1*b*a^-1*a^-1*b*a,
a*d^-1*a^-1*a^-1*d^-1*b,
d^-1*c^-1*d*d*c^-1*a,
a*c*b^-1*b^-1*c*b,
a^-1*c^-1*b*b*c^-1*b^-1,
d*c*d^-1*d^-1*c*a^-1,
a^-1*d*a*a*d*b^-1,
d*b^-1*a*a*b^-1*a^-1,
b*d*c^-1*c^-1*d*c,
c^-1*b^-1*c*c*b^-1*d^-1,
b*a*b^-1*b^-1*a*c,
c^-1*a*d*d*a*d^-1,
c*a^-1*d*c*b*c*d*d*a^-1*d,
b^-1*a^-1*b^-1*b^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*c*c*d*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*c^-1*c^-1*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*d^-1*a*a*b*a,
a*d^-1*a*a*b*c*b*a*d^-1*b,
d^-1*c^-1*d^-1*d^-1*a*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a*b*b*c*b,
a^-1*c^-1*b^-1*a^-1*d*a^-1*b^-1*b^-1*c^-1*b^-1,
d*c*d*d*a^-1*b^-1*a^-1*d*c*a^-1,
a^-1*d*a^-1*a^-1*b^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d*a^-1*a^-1*b^-1*a^-1,
b*a*b*c*d*b*c*c*d*c,
c^-1*b^-1*c^-1*c^-1*d^-1*a*d^-1*c^-1*b^-1*d^-1,
b*a*b*b*c*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c^-1*d^-1*d^-1*a*d^-1,
c*a^-1*d*d*d*a^-1*d,
b^-1*a^-1*b^-1*b^-1*b^-1*a^-1*c^-1,
c*b*c*c*c*b*d,
b^-1*d^-1*c^-1*c^-1*c^-1*d^-1*c^-1,
d^-1*b*a*a*a*b*a,
a*d^-1*a*a*a*d^-1*b,
d^-1*c^-1*d^-1*d^-1*d^-1*c^-1*a,
a*c*b*b*b*c*b,
a^-1*c^-1*b^-1*b^-1*b^-1*c^-1*b^-1,
d*c*d*d*d*c*a^-1,
a^-1*d*a^-1*a^-1*a^-1*d*b^-1,
d*b^-1*a^-1*a^-1*a^-1*b^-1*a^-1,
b*d*c*c*c*d*c,
c^-1*b^-1*c^-1*c^-1*c^-1*b^-1*d^-1,
b*a*b*b*b*a*c,
c^-1*a*d^-1*d^-1*d^-1*a*d^-1,
c*d*a^-1*d^-1*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b*a^-1*b^-1*c^-1,
c*a^-1*d*c*b*c^-1*b*c*d,
b^-1*c^-1*d^-1*c*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*a*b*a^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a^-1*d^-1*a*b,
d^-1*b*a*d^-1*c^-1*d*c^-1*d^-1*a,
a*b*c*b^-1*c*b*a*d^-1*b,
a^-1*b^-1*c^-1*b*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d^-1*c*d*a^-1,
a^-1*c^-1*b^-1*a^-1*d*a*d*a^-1*b^-1,
d*a^-1*b^-1*a*b^-1*a^-1*d*c*a^-1,
b*c*d*c^-1*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c*b^-1*c^-1*d^-1,
b*a*b*c*d*b^-1*a*b*c,
c^-1*d^-1*a*d*a*d^-1*c^-1*b^-1*d^-1,
c*d*b*b*a*d^-1*c^-1*d,
b^-1*c*b*a*d^-1*d^-1*b^-1*c^-1,
c*d^-1*c^-1*b^-1*a^-1*a^-1*c*d,
b^-1*c^-1*a^-1*a^-1*d*c*b*c^-1,
d^-1*a*c^-1*c^-1*b^-1*a^-1*d*a,
a*b^-1*a^-1*d*c*c*a*b,
d^-1*a^-1*d*c*b*b*d^-1*a,
a*b*d^-1*d^-1*c^-1*b^-1*a^-1*b,
a^-1*b^-1*d*a*b*c*d*b^-1,
d*a*d^-1*c^-1*b^-1*b^-1*d*a^-1,
a^-1*b*a*d^-1*c^-1*c^-1*a^-1*b^-1,
d*a^-1*c*c*b*a*d^-1*a^-1,
b*c*a*a*d^-1*c^-1*b^-1*c,
c^-1*a*b*c*d*a*c^-1*d^-1,
b*c^-1*b^-1*a^-1*d*d*b*c,
c^-1*d^-1*b^-1*b^-1*a^-1*d*c*d^-1,
c*d*a^-1*d*b*a*d^-1*c^-1*d,
b^-1*c*b*a*d^-1*b^-1*a^-1*b^-1*c^-1,
c*d^-1*c^-1*b^-1*a^-1*c*b*c*d,
b^-1*c^-1*d^-1*c^-1*a^-1*d*c*b*c^-1,
d^-1*a*b*a*c^-1*b^-1*a^-1*d*a,
a*b^-1*a^-1*d*c*a*d^-1*a*b,
d^-1*a^-1*d*c*b*d^-1*c^-1*d^-1*a,
a*b*c*b*d^-1*c^-1*b^-1*a^-1*b,
a^-1*b^-1*c^-1*b^-1*a*b*c*d*b^-1,
d*a*d^-1*c^-1*b^-1*d*c*d*a^-1,
a^-1*b*a*d^-1*c^-1*a^-1*d*a^-1*b^-1,
d*a^-1*b^-1*a^-1*c*b*a*d^-1*a^-1,
b*c*d*c*a*d^-1*c^-1*b^-1*c,
c^-1*a*b*c*d*c^-1*b^-1*c^-1*d^-1,
b*c^-1*b^-1*a^-1*d*b*a*b*c,
c^-1*d^-1*a*d^-1*b^-1*a^-1*d*c*d^-1,
c*d*b^-1*a^-1*d*c*a^-1*b^-1*d,
b^-1*d*a^-1*c^-1*b^-1*a^-1*d*b^-1*c^-1,
c*a*b*a*b*c*d*c*d,
b^-1*c^-1*a*d^-1*c^-1*b^-1*d^-1*a*c^-1,
d^-1*a*c*b*a*d^-1*b*c*a,
a*c^-1*d^-1*b*a*d^-1*c^-1*a*b,
d^-1*b^-1*c^-1*a*d^-1*c^-1*b^-1*d^-1*a,
a*b*a*b*c*d*c*d*b,
a^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c^-1*d^-1*b^-1,
d*b*c*a^-1*d*c*b*d*a^-1,
a^-1*c*d*b^-1*a^-1*d*c*a^-1*b^-1,
d*a^-1*c^-1*b^-1*a^-1*d*b^-1*c^-1*a^-1,
b*c*a^-1*d*c*b*d*a^-1*c,
c^-1*a^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c^-1*d^-1,
b*d^-1*a*c*b*a*d^-1*b*c,
c^-1*d^-1*b*a*d^-1*c^-1*a*b*d^-1,
b^-1*a^-1*d*c*c*d*b*d,
b^-1*d^-1*b^-1*c^-1*c^-1*b^-1*a^-1*d,
c*a^-1*c*d*a*b*c*d,
a*d^-1*c^-1*b^-1*b^-1*c^-1*a^-1*c^-1,
c*b*a*d^-1*d^-1*a*c^-1*a,
a*c*a*b*b*a*d^-1*c^-1,
d^-1*b*d^-1*a*a*d^-1*c^-1*b^-1,
a*b*c*d*a*b*d^-1*b,
d^-1*c^-1*b^-1*a^-1*a^-1*b^-1*d*b^-1,
d*b^-1*d*a^-1*a^-1*d*c*b,
a^-1*c^-1*a^-1*b^-1*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*d*a^-1*c*a^-1,
a^-1*d*c*b*b*c*a*c,
c^-1*a*c^-1*d^-1*d^-1*c^-1*b^-1*a^-1,
b*d*b*c*c*b*a*d^-1,
b*a*d^-1*c^-1*c^-1*d^-1*b^-1*d^-1,
c*d*a^-1*c*d*d*d,
b^-1*b^-1*b^-1*c^-1*a^-1*b^-1*c^-1,
c*c*c*d*b*c*d,
b^-1*c^-1*d^-1*b^-1*c^-1*c^-1*c^-1,
d^-1*a*b*d^-1*a*a*a,
a*a*a*b*d^-1*a*b,
d^-1*d^-1*d^-1*a*c^-1*d^-1*a,
a*b*c*a*b*b*b,
a^-1*b^-1*c^-1*a^-1*b^-1*b^-1*b^-1,
d*d*d*a^-1*c*d*a^-1,
a^-1*a^-1*a^-1*b^-1*d*a^-1*b^-1,
d*a^-1*b^-1*d*a^-1*a^-1*a^-1,
b*c*d*b*c*c*c,
c^-1*c^-1*c^-1*d^-1*b^-1*c^-1*d^-1,
b*b*b*c*a*b*c,
c^-1*d^-1*a*c^-1*d^-1*d^-1*d^-1,
b^-1*d*a^-1*b^-1*a*a,
a*a*d*a^-1*b^-1*d,
b^-1*b^-1*a*b*c*a,
a*c^-1*d^-1*a*d*d,
c*a*b*c*b^-1*b^-1,
d*d*c^-1*d^-1*a*c^-1,
c*c*b^-1*c^-1*d^-1*b^-1,
d*b*c*d*c^-1*c^-1,
d^-1*b^-1*c^-1*d^-1*c*c,
c^-1*c^-1*b*c*d*b,
d^-1*d^-1*c*d*a^-1*c,
c^-1*a^-1*b^-1*c^-1*b*b,
a^-1*c*d*a^-1*d^-1*d^-1,
b*b*a^-1*b^-1*c^-1*a^-1,
a^-1*a^-1*d^-1*a*b*d^-1,
b*d^-1*a*b*a^-1*a^-1,
c*b*c*b*c*d^-1*a^-1*d,
b^-1*a^-1*b*c^-1*d^-1*c^-1*d^-1*c^-1,
c*b*c^-1*d*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*b^-1*c*d^-1*c^-1,
d^-1*c^-1*d^-1*c^-1*d^-1*a^-1*b*a,
a*d^-1*a^-1*b*c*b*c*b,
d^-1*c^-1*d*a*b*a*b*a,
a*d^-1*a*d^-1*a*b^-1*c*b,
a^-1*d*a^-1*d*a^-1*b*c^-1*b^-1,
d*c*d^-1*a^-1*b^-1*a^-1*b^-1*a^-1,
a^-1*d*a*b^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*d*a*b^-1*a^-1,
b*a*b*a*b*c^-1*d*c,
c^-1*b^-1*c*d^-1*a*d^-1*a*d^-1,
b*a*b^-1*c*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*c^-1*d*a*d^-1,
c*a^-1*d*c*b*d*c*c*a^-1*d,
b^-1*a^-1*c^-1*c^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*d*d*c*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b^-1*b^-1*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*a*d^-1*d^-1*b*a,
a*d^-1*b*b*a*c*b*a*d^-1*b,
d^-1*c^-1*a*a*d^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*b*a*a*c*b,
a^-1*c^-1*b^-1*a^-1*d*b^-1*a^-1*a^-1*c^-1*b^-1,
d*c*a^-1*a^-1*d*b^-1*a^-1*d*c*a^-1,
a^-1*d*b^-1*b^-1*a^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*a^-1*d*d*b^-1*a^-1,
b*a*b*c*d*c*b*b*d*c,
c^-1*b^-1*d^-1*d^-1*c^-1*a*d^-1*c^-1*b^-1*d^-1,
b*a*c*c*b*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*d^-1*c^-1*c^-1*a*d^-1,
c*a^-1*a^-1*d^-1*a^-1*d,
b^-1*a^-1*b*a^-1*a^-1*c^-1,
c*b*c^-1*b*b*d,
b^-1*d^-1*d^-1*c*d^-1*c^-1,
d^-1*b*b*a^-1*b*a,
a*d^-1*a^-1*d^-1*d^-1*b,
d^-1*c^-1*d*c^-1*c^-1*a,
a*c*c*b^-1*c*b,
a^-1*c^-1*c^-1*b*c^-1*b^-1,
d*c*d^-1*c*c*a^-1,
a^-1*d*a*d*d*b^-1,
d*b^-1*b^-1*a*b^-1*a^-1,
b*d*d*c^-1*d*c,
c^-1*b^-1*c*b^-1*b^-1*d^-1,
b*a*b^-1*a*a*c,
c^-1*a*a*d*a*d^-1,
c*a^-1*d*d*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*b^-1*b^-1*a^-1*c^-1,
c*b*c*b*c*c*b*d,
b^-1*d^-1*c^-1*c^-1*d^-1*c^-1*d^-1*c^-1,
d^-1*b*a*a*b*a*b*a,
a*d^-1*a*d^-1*a*a*d^-1*b,
d^-1*c^-1*d^-1*c^-1*d^-1*d^-1*c^-1*a,
a*c*b*b*c*b*c*b,
a^-1*c^-1*b^-1*b^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*d*d*c*a^-1,
a^-1*d*a^-1*d*a^-1*a^-1*d*b^-1,
d*b^-1*a^-1*a^-1*b^-1*a^-1*b^-1*a^-1,
b*d*c*c*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*c^-1*c^-1*b^-1*d^-1,
b*a*b*a*b*b*a*c,
c^-1*a*d^-1*d^-1*a*d^-1*a*d^-1,
c*a^-1*d*c*b*c*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*c*d*d*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*b^-1*c^-1*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*d^-1*d^-1*a*b*a,
a*d^-1*a*b*b*c*b*a*d^-1*b,
d^-1*c^-1*d^-1*a*a*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a*a*b*c*b,
a^-1*c^-1*b^-1*a^-1*d*a^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*a^-1*b^-1*a^-1*d*c*a^-1,
a^-1*d*a^-1*b^-1*b^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d*d*a^-1*b^-1*a^-1,
b*a*b*c*d*b*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*d^-1*a*d^-1*c^-1*b^-1*d^-1,
b*a*b*c*c*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c^-1*c^-1*d^-1*a*d^-1,
c*d^-1*c^-1*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*c*b*c^-1,
c*b*c*d*c*d^-1*c^-1*d,
b^-1*c*b*c^-1*b^-1*c^-1*d^-1*c^-1,
d^-1*a^-1*d*a*d^-1*a*b*a,
a*d^-1*a*b*a*b^-1*a^-1*b,
d^-1*c^-1*d^-1*a*d^-1*a^-1*d*a,
a*b^-1*a^-1*b*a*b*c*b,
a^-1*b*a*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*a*d^-1*a^-1,
a^-1*d*a^-1*b^-1*a^-1*b*a*b^-1,
d*a*d^-1*a^-1*d*a^-1*b^-1*a^-1,
b*c^-1*b^-1*c*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c^-1*d*c*d^-1,
b*a*b*c*b*c^-1*b^-1*c,
c^-1*d*c*d^-1*c^-1*d^-1*a*d^-1,
c*d^-1*c^-1*d*b*d,
b^-1*d^-1*b^-1*c*b*c^-1,
c*a^-1*c*d^-1*c^-1*d,
b^-1*c*b*c^-1*a^-1*c^-1,
d^-1*a^-1*d*a*c^-1*a,
a*c*a*b^-1*a^-1*b,
d^-1*b*d^-1*a^-1*d*a,
a*b^-1*a^-1*b*d^-1*b,
a^-1*b*a*b^-1*d*b^-1,
d*b^-1*d*a*d^-1*a^-1,
a^-1*c^-1*a^-1*b*a*b^-1,
d*a*d^-1*a^-1*c*a^-1,
b*c^-1*b^-1*c*a*c,
c^-1*a*c^-1*d*c*d^-1,
b*d*b*c^-1*b^-1*c,
c^-1*d*c*d^-1*b^-1*d^-1,
c*d*c^-1*d^-1*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b*c*b^-1*c^-1,
c*b*c*d*c^-1*d^-1*c*d,
b^-1*c^-1*b*c*b^-1*c^-1*d^-1*c^-1,
d^-1*a*d*a^-1*d^-1*a*b*a,
a*d^-1*a*b*a^-1*b^-1*a*b,
d^-1*c^-1*d^-1*a*d*a^-1*d^-1*a,
a*b*a^-1*b^-1*a*b*c*b,
a^-1*b^-1*a*b*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d^-1*a*d*a^-1,
a^-1*d*a^-1*b^-1*a*b*a^-1*b^-1,
d*a^-1*d^-1*a*d*a^-1*b^-1*a^-1,
b*c*b^-1*c^-1*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c*d*c^-1*d^-1,
b*a*b*c*b^-1*c^-1*b*c,
c^-1*d^-1*c*d*c^-1*d^-1*a*d^-1,
c*d*c*d*a^-1*c*d*d,
b^-1*b^-1*c^-1*a^-1*b^-1*c^-1*b^-1*c^-1,
c*c*d*b*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*d^-1*b^-1*c^-1*c^-1,
d^-1*a*d^-1*a*b*d^-1*a*a,
a*a*b*d^-1*a*b*a*b,
d^-1*d^-1*a*c^-1*d^-1*a*d^-1*a,
a*b*a*b*c*a*b*b,
a^-1*b^-1*a^-1*b^-1*c^-1*a^-1*b^-1*b^-1,
d*d*a^-1*c*d*a^-1*d*a^-1,
a^-1*a^-1*b^-1*d*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*b^-1*d*a^-1*a^-1,
b*c*b*c*d*b*c*c,
c^-1*c^-1*d^-1*b^-1*c^-1*d^-1*c^-1*d^-1,
b*b*c*a*b*c*b*c,
c^-1*d^-1*c^-1*d^-1*a*c^-1*d^-1*d^-1,
c*d*b^-1*a^-1*d*c*a*d,
b^-1*a*c^-1*b^-1*a^-1*d*b^-1*c^-1,
c*b^-1*a*b*c*d*c*d,
b^-1*c^-1*a*d^-1*c^-1*b^-1*d*c^-1,
d^-1*a*c*b*a*d^-1*b^-1*a,
a*d*b*a*d^-1*c^-1*a*b,
d^-1*c*a*d^-1*c^-1*b^-1*d^-1*a,
a*b*a*b*c*d*c^-1*b,
a^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c*b^-1,
d*c^-1*a^-1*d*c*b*d*a^-1,
a^-1*d^-1*b^-1*a^-1*d*c*a^-1*b^-1,
d*a^-1*c^-1*b^-1*a^-1*d*b*a^-1,
b*c*a^-1*d*c*b*d^-1*c,
c^-1*b*d^-1*c^-1*b^-1*a^-1*c^-1*d^-1,
b*a^-1*c*b*a*d^-1*b*c,
c^-1*d^-1*b*a*d^-1*c^-1*a^-1*d^-1,
b^-1*a*b*a^-1*b^-1*d,
b^-1*d*a^-1*d^-1*a*d,
c*a*b*a^-1*b^-1*a,
a*d*a^-1*d^-1*a*c^-1,
c*b^-1*c^-1*b*c*a,
a*c^-1*d^-1*c*d*c^-1,
d^-1*b^-1*c^-1*b*c*b^-1,
d*c^-1*d^-1*c*d*b,
d^-1*c*d*c^-1*d^-1*b^-1,
d*b*c*b^-1*c^-1*b,
a^-1*c*d*c^-1*d^-1*c,
c^-1*b*c*b^-1*c^-1*a^-1,
a^-1*d^-1*a*d*a^-1*c,
c^-1*a^-1*b^-1*a*b*a^-1,
b*d^-1*a*d*a^-1*d^-1,
b*a^-1*b^-1*a*b*d^-1,
b^-1*a*b*c*a*a,
a*a*c^-1*d^-1*a*d,
b^-1*b^-1*d*a^-1*b^-1*a,
a*d*a^-1*b^-1*d*d,
c*b^-1*c^-1*d^-1*b^-1*b^-1,
d*d*b*c*d*c^-1,
c*c*a*b*c*b^-1,
d*c^-1*d^-1*a*c^-1*c^-1,
d^-1*c*d*a^-1*c*c,
c^-1*c^-1*a^-1*b^-1*c^-1*b,
d^-1*d^-1*b^-1*c^-1*d^-1*c,
c^-1*b*c*d*b*b,
a^-1*d^-1*a*b*d^-1*d^-1,
b*b*d^-1*a*b*a^-1,
a^-1*a^-1*c*d*a^-1*d^-1,
b*a^-1*b^-1*c^-1*a^-1*a^-1,
c*b*d^-1*a*a*d^-1*a^-1*d,
b^-1*a^-1*b*a*a*b*d^-1*c^-1,
c*b*c^-1*b^-1*b^-1*c^-1*a^-1*d,
b^-1*a^-1*c*d*d*c*d^-1*c^-1,
d^-1*c^-1*a^-1*b^-1*b^-1*a^-1*b*a,
a*d^-1*a^-1*d*d*a^-1*c*b,
d^-1*c^-1*d*c*c*d*b*a,
a*d^-1*b^-1*c^-1*c^-1*b^-1*c*b,
a^-1*d*b*c*c*b*c^-1*b^-1,
d*c*d^-1*c^-1*c^-1*d^-1*b^-1*a^-1,
a^-1*d*a*d^-1*d^-1*a*c^-1*b^-1,
d*c*a*b*b*a*b^-1*a^-1,
b*a*c^-1*d^-1*d^-1*c^-1*d*c,
c^-1*b^-1*c*b*b*c*a*d^-1,
b*a*b^-1*a^-1*a^-1*b^-1*d*c,
c^-1*b^-1*d*a^-1*a^-1*d*a*d^-1,
c*b*c*a*d^-1*c*a^-1*d,
b^-1*a^-1*c^-1*b*a*c^-1*d^-1*c^-1,
c*b*d*c^-1*b^-1*d*a^-1*d,
b^-1*a^-1*b^-1*d*c*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*b^-1*a^-1*d^-1*b*a,
a*d^-1*b*a^-1*d*b*c*b,
d^-1*c^-1*a*d*c*a*b*a,
a*d^-1*a*c^-1*b^-1*a*c*b,
a^-1*d*a^-1*c*b*a^-1*c^-1*b^-1,
d*c*a^-1*d^-1*c^-1*a^-1*b^-1*a^-1,
a^-1*d*b^-1*a*d^-1*b^-1*c^-1*b^-1,
d*c*d*b*a*d*b^-1*a^-1,
b*a*b*d^-1*c^-1*b*d*c,
c^-1*b^-1*d^-1*c*b*d^-1*a*d^-1,
b*a*c*b^-1*a^-1*c*d*c,
c^-1*b^-1*c^-1*a^-1*d*c^-1*a*d^-1,
c*a^-1*d*c*b*d*c*d*c*a^-1*d,
b^-1*a^-1*c^-1*b^-1*c^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*d*c*d*c*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b^-1*c^-1*b^-1*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*a*d^-1*a*d^-1*b*a,
a*d^-1*b*a*b*a*c*b*a*d^-1*b,
d^-1*c^-1*a*d^-1*a*d^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*b*a*b*a*c*b,
a^-1*c^-1*b^-1*a^-1*d*b^-1*a^-1*b^-1*a^-1*c^-1*b^-1,
d*c*a^-1*d*a^-1*d*b^-1*a^-1*d*c*a^-1,
a^-1*d*b^-1*a^-1*b^-1*a^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*a^-1*d*a^-1*d*b^-1*a^-1,
b*a*b*c*d*c*b*c*b*d*c,
c^-1*b^-1*d^-1*c^-1*d^-1*c^-1*a*d^-1*c^-1*b^-1*d^-1,
b*a*c*b*c*b*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*d^-1*c^-1*d^-1*c^-1*a*d^-1,
c*b*c*b*c*a^-1*a^-1*d,
b^-1*a^-1*a^-1*c^-1*d^-1*c^-1*d^-1*c^-1,
c*b*b*d*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*b^-1*d^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*c^-1*d^-1*b*b*a,
a*d^-1*d^-1*b*c*b*c*b,
d^-1*c^-1*c^-1*a*b*a*b*a,
a*d^-1*a*d^-1*a*c*c*b,
a^-1*d*a^-1*d*a^-1*c^-1*c^-1*b^-1,
d*c*c*a^-1*b^-1*a^-1*b^-1*a^-1,
a^-1*d*d*b^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*d*b^-1*b^-1*a^-1,
b*a*b*a*b*d*d*c,
c^-1*b^-1*b^-1*d^-1*a*d^-1*a*d^-1,
b*a*a*c*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*c^-1*a*a*d^-1,
c*b*c*c*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*c^-1*c^-1*d^-1*c^-1,
c*b*c*b*d*d*a^-1*d,
b^-1*a^-1*b^-1*b^-1*d^-1*c^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*d^-1*b*a*b*a,
a*d^-1*a*d^-1*b*b*c*b,
d^-1*c^-1*d^-1*c^-1*a*a*b*a,
a*d^-1*a*a*c*b*c*b,
a^-1*d*a^-1*a^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*a^-1*a^-1*b^-1*a^-1,
a^-1*d*a^-1*d*b^-1*b^-1*c^-1*b^-1,
d*c*d*d*b^-1*a^-1*b^-1*a^-1,
b*a*b*b*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*d^-1*d^-1*a*d^-1,
b*a*b*a*c*c*d*c,
c^-1*b^-1*c^-1*c^-1*a*d^-1*a*d^-1,
c*a^-1*d*a^-1*a^-1*a^-1*d,
b^-1*a^-1*a^-1*a^-1*b^-1*a^-1*c^-1,
c*b*b*b*c*b*d,
b^-1*d^-1*c^-1*d^-1*d^-1*d^-1*c^-1,
d^-1*b*a*b*b*b*a,
a*d^-1*d^-1*d^-1*a*d^-1*b,
d^-1*c^-1*c^-1*c^-1*d^-1*c^-1*a,
a*c*b*c*c*c*b,
a^-1*c^-1*b^-1*c^-1*c^-1*c^-1*b^-1,
d*c*c*c*d*c*a^-1,
a^-1*d*d*d*a^-1*d*b^-1,
d*b^-1*a^-1*b^-1*b^-1*b^-1*a^-1,
b*d*c*d*d*d*c,
c^-1*b^-1*b^-1*b^-1*c^-1*b^-1*d^-1,
b*a*a*a*b*a*c,
c^-1*a*d^-1*a*a*a*d^-1,
c*a^-1*d*a^-1*d*a^-1*a^-1*d,
b^-1*a^-1*a^-1*b^-1*a^-1*b^-1*a^-1*c^-1,
c*b*b*c*b*c*b*d,
b^-1*d^-1*c^-1*d^-1*c^-1*d^-1*d^-1*c^-1,
d^-1*b*a*b*a*b*b*a,
a*d^-1*d^-1*a*d^-1*a*d^-1*b,
d^-1*c^-1*c^-1*d^-1*c^-1*d^-1*c^-1*a,
a*c*b*c*b*c*c*b,
a^-1*c^-1*b^-1*c^-1*b^-1*c^-1*c^-1*b^-1,
d*c*c*d*c*d*c*a^-1,
a^-1*d*d*a^-1*d*a^-1*d*b^-1,
d*b^-1*a^-1*b^-1*a^-1*b^-1*b^-1*a^-1,
b*d*c*d*c*d*d*c,
c^-1*b^-1*b^-1*c^-1*b^-1*c^-1*b^-1*d^-1,
b*a*a*b*a*b*a*c,
c^-1*a*d^-1*a*d^-1*a*a*d^-1,
c*a^-1*d^-1*c^-1*d^-1*a^-1*d,
b^-1*a^-1*b*c*b*a^-1*c^-1,
c*b*c^-1*d^-1*c^-1*b*d,
b^-1*d^-1*c*b*c*d^-1*c^-1,
d^-1*b*a^-1*d*a^-1*b*a,
a*d^-1*a^-1*b^-1*a^-1*d^-1*b,
d^-1*c^-1*d*a^-1*d*c^-1*a,
a*c*b^-1*a^-1*b^-1*c*b,
a^-1*c^-1*b*a*b*c^-1*b^-1,
d*c*d^-1*a*d^-1*c*a^-1,
a^-1*d*a*b*a*d*b^-1,
d*b^-1*a*d^-1*a*b^-1*a^-1,
b*d*c^-1*b^-1*c^-1*d*c,
c^-1*b^-1*c*d*c*b^-1*d^-1,
b*a*b^-1*c^-1*b^-1*a*c,
c^-1*a*d*c*d*a*d^-1,
c*a^-1*d*c*b*c*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*c*d*c*d*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*c^-1*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*d^-1*a*d^-1*a*b*a,
a*d^-1*a*b*a*b*c*b*a*d^-1*b,
d^-1*c^-1*d^-1*a*d^-1*a*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a*b*a*b*c*b,
a^-1*c^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*a^-1*b^-1*a^-1*d*c*a^-1,
a^-1*d*a^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d*a^-1*d*a^-1*b^-1*a^-1,
b*a*b*c*d*b*c*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c^-1*d^-1*a*d^-1*c^-1*b^-1*d^-1,
b*a*b*c*b*c*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*d^-1*a*d^-1,
c*a^-1*d*c^-1*d*a^-1*d,
b^-1*a^-1*b^-1*c*b^-1*a^-1*c^-1,
c*b*c*d^-1*c*b*d,
b^-1*d^-1*c^-1*b*c^-1*d^-1*c^-1,
d^-1*b*a*d*a*b*a,
a*d^-1*a*b^-1*a*d^-1*b,
d^-1*c^-1*d^-1*a^-1*d^-1*c^-1*a,
a*c*b*a^-1*b*c*b,
a^-1*c^-1*b^-1*a*b^-1*c^-1*b^-1,
d*c*d*a*d*c*a^-1,
a^-1*d*a^-1*b*a^-1*d*b^-1,
d*b^-1*a^-1*d^-1*a^-1*b^-1*a^-1,
b*d*c*b^-1*c*d*c,
c^-1*b^-1*c^-1*d*c^-1*b^-1*d^-1,
b*a*b*c^-1*b*a*c,
c^-1*a*d^-1*c*d^-1*a*d^-1,
c*d*c*d*b*c*d*d,
b^-1*b^-1*c^-1*d^-1*b^-1*c^-1*b^-1*c^-1,
c*c*d*a^-1*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*a^-1*b^-1*c^-1*c^-1,
d^-1*a*d^-1*a*c^-1*d^-1*a*a,
a*a*b*c*a*b*a*b,
d^-1*d^-1*a*b*d^-1*a*d^-1*a,
a*b*a*b*d^-1*a*b*b,
a^-1*b^-1*a^-1*b^-1*d*a^-1*b^-1*b^-1,
d*d*a^-1*b^-1*d*a^-1*d*a^-1,
a^-1*a^-1*b^-1*c^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*c*d*a^-1*a^-1,
b*c*b*c*a*b*c*c,
c^-1*c^-1*d^-1*a*c^-1*d^-1*c^-1*d^-1,
b*b*c*d*b*c*b*c,
c^-1*d^-1*c^-1*d^-1*b^-1*c^-1*d^-1*d^-1,
c*d*b*c*d*d*d,
b^-1*b^-1*b^-1*c^-1*d^-1*b^-1*c^-1,
c*d*a*c^-1*d^-1*a*d,
b^-1*a*b*c*a*b^-1*c^-1,
c*b^-1*c^-1*d^-1*b^-1*c*d,
b^-1*c^-1*d*b*c*d*c^-1,
c*c*c*d*a^-1*c*d,
b^-1*c^-1*a^-1*b^-1*c^-1*c^-1*c^-1,
d^-1*a*c^-1*d^-1*a*a*a,
a*a*a*b*c*a*b,
d^-1*a*b^-1*d*a^-1*b^-1*a,
a*d*a^-1*b^-1*d*a*b,
d^-1*c*d*a^-1*c*d^-1*a,
a*b*c^-1*a^-1*b^-1*c^-1*b,
d^-1*d^-1*d^-1*a*b*d^-1*a,
a*b*d^-1*a*b*b*b,
a^-1*b^-1*d*a^-1*b^-1*b^-1*b^-1,
d*d*d*a^-1*b^-1*d*a^-1,
a^-1*b^-1*c*a*b*c*b^-1,
d*c^-1*d^-1*a*c^-1*d*a^-1,
a^-1*d^-1*a*b*d^-1*a^-1*b^-1,
d*a^-1*b*d^-1*a*b*a^-1,
a^-1*a^-1*a^-1*b^-1*c^-1*a^-1*b^-1,
d*a^-1*c*d*a^-1*a^-1*a^-1,
b*c*a*b*c*c*c,
c^-1*c^-1*c^-1*d^-1*a*c^-1*d^-1,
b*c*d^-1*b^-1*c^-1*d^-1*c,
c^-1*b*c*d*b*c^-1*d^-1,
b*a^-1*b^-1*c^-1*a^-1*b*c,
c^-1*d^-1*a^-1*c*d*a^-1*d^-1,
b*b*b*c*d*b*c,
c^-1*d^-1*b^-1*c^-1*d^-1*d^-1*d^-1,
c*d*b^-1*a^-1*d*c*b^-1*d,
b^-1*d*c^-1*b^-1*a^-1*d*b^-1*c^-1,
c*a*a*b*c*d*c*d,
b^-1*c^-1*a*d^-1*c^-1*b^-1*a*c^-1,
d^-1*a*c*b*a*d^-1*c*a,
a*c^-1*b*a*d^-1*c^-1*a*b,
d^-1*b^-1*a*d^-1*c^-1*b^-1*d^-1*a,
a*b*a*b*c*d*d*b,
a^-1*b^-1*d^-1*c^-1*b^-1*a^-1*d^-1*b^-1,
d*b*a^-1*d*c*b*d*a^-1,
a^-1*c*b^-1*a^-1*d*c*a^-1*b^-1,
d*a^-1*c^-1*b^-1*a^-1*d*c^-1*a^-1,
b*c*a^-1*d*c*b*a^-1*c,
c^-1*a^-1*d^-1*c^-1*b^-1*a^-1*c^-1*d^-1,
b*d^-1*c*b*a*d^-1*b*c,
c^-1*d^-1*b*a*d^-1*c^-1*b*d^-1,
b^-1*a^-1*d*c*d*a*b*d,
b^-1*d^-1*a*b^-1*c^-1*b^-1*a^-1*d,
c*a^-1*b^-1*c*a*b*c*d,
a*d^-1*c^-1*b^-1*c^-1*d*a^-1*c^-1,
c*b*a*d^-1*a*b^-1*c^-1*a,
a*c*d*a*b*a*d^-1*c^-1,
d^-1*b*c*d^-1*a*d^-1*c^-1*b^-1,
a*b*c*d*b*c^-1*d^-1*b,
d^-1*c^-1*b^-1*a^-1*b^-1*c*d*b^-1,
d*b^-1*c^-1*d*a^-1*d*c*b,
a^-1*c^-1*d^-1*a^-1*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*a^-1*b*c*a^-1,
a^-1*d*c*b*c*d^-1*a*c,
c^-1*a*b*c^-1*d^-1*c^-1*b^-1*a^-1,
b*d*a^-1*b*c*b*a*d^-1,
b*a*d^-1*c^-1*d^-1*a^-1*b^-1*d^-1,
b^-1*a^-1*d*c*a^-1*b^-1*d*d,
b^-1*b^-1*d*a^-1*c^-1*b^-1*a^-1*d,
c*c*a*b*a*b*c*d,
a*d^-1*c^-1*b^-1*d^-1*a*c^-1*c^-1,
c*b*a*d^-1*b*c*a*a,
a*a*c^-1*d^-1*b*a*d^-1*c^-1,
d^-1*d^-1*b^-1*c^-1*a*d^-1*c^-1*b^-1,
a*b*c*d*c*d*b*b,
d^-1*c^-1*b^-1*a^-1*c^-1*d^-1*b^-1*b^-1,
d*d*b*c*a^-1*d*c*b,
a^-1*a^-1*c*d*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*b^-1*c^-1*a^-1*a^-1,
a^-1*d*c*b*d*a^-1*c*c,
c^-1*c^-1*a^-1*b^-1*d^-1*c^-1*b^-1*a^-1,
b*b*d^-1*a*c*b*a*d^-1,
b*a*d^-1*c^-1*a*b*d^-1*d^-1,
c*d*a^-1*c*d*a*d,
b^-1*a*b^-1*c^-1*a^-1*b^-1*c^-1,
c*b^-1*c*d*b*c*d,
b^-1*c^-1*d^-1*b^-1*c^-1*d*c^-1,
d^-1*a*b*d^-1*a*b^-1*a,
a*d*a*b*d^-1*a*b,
d^-1*c*d^-1*a*c^-1*d^-1*a,
a*b*c*a*b*c^-1*b,
a^-1*b^-1*c^-1*a^-1*b^-1*c*b^-1,
d*c^-1*d*a^-1*c*d*a^-1,
a^-1*d^-1*a^-1*b^-1*d*a^-1*b^-1,
d*a^-1*b^-1*d*a^-1*b*a^-1,
b*c*d*b*c*d^-1*c,
c^-1*b*c^-1*d^-1*b^-1*c^-1*d^-1,
b*a^-1*b*c*a*b*c,
c^-1*d^-1*a*c^-1*d^-1*a^-1*d^-1,
c*b^-1*a*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*a*d*c^-1,
c*b*d^-1*c^-1*b^-1*a*d,
d^-1*c*b^-1*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*d*c^-1*b,
a^-1*d^-1*c*b*a*c^-1*b^-1,
d*c*a*d^-1*c^-1*b*a^-1,
b*a^-1*d^-1*c^-1*b^-1*d*c,
c*a*d^-1*c^-1*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*c*b*a*c^-1,
c*b*d^-1*c^-1*d^-1*c^-1*b^-1*d,
b^-1*d*c*b*c*b*d^-1*c^-1,
d^-1*b^-1*a^-1*d*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*b^-1*a^-1*d*b,
d^-1*c^-1*a^-1*d*a^-1*d*c*a,
a*c^-1*b^-1*a^-1*b^-1*a^-1*c*b,
a^-1*c*b*a*b*a*c^-1*b^-1,
d*c*a*d^-1*a*d^-1*c^-1*a^-1,
a^-1*d*b*a*b*a*d^-1*b^-1,
d*b*a*d^-1*a*d^-1*b^-1*a^-1,
b*d^-1*c^-1*b^-1*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*d*c*b*d^-1,
b*a*c^-1*b^-1*c^-1*b^-1*a^-1*c,
c^-1*a^-1*d*c*d*c*a*d^-1,
c*d*a^-1*c^-1*d^-1*a*c*d,
b^-1*c^-1*a*b*c*a^-1*b^-1*c^-1,
c*d*b^-1*c^-1*d^-1*b*c*d,
b^-1*c^-1*d^-1*b*c*d*b^-1*c^-1,
d^-1*a*b*d*a^-1*b^-1*d^-1*a,
a*b*d*a^-1*b^-1*d^-1*a*b,
d^-1*a*c*d*a^-1*c^-1*d^-1*a,
a*b*c*a^-1*b^-1*c^-1*a*b,
a^-1*b^-1*c^-1*a*b*c*a^-1*b^-1,
d*a^-1*c^-1*d^-1*a*c*d*a^-1,
a^-1*b^-1*d^-1*a*b*d*a^-1*b^-1,
d*a^-1*b^-1*d^-1*a*b*d*a^-1,
b*c*d*b^-1*c^-1*d^-1*b*c,
c^-1*d^-1*b*c*d*b^-1*c^-1*d^-1,
b*c*a^-1*b^-1*c^-1*a*b*c,
c^-1*d^-1*a*c*d*a^-1*c^-1*d^-1,
b^-1*d^-1*b*b*d,
b^-1*d^-1*d^-1*b*d,
c*a^-1*a^-1*c^-1*a,
c*a^-1*c^-1*c^-1*a,
a*c*c*a^-1*c^-1,
d^-1*b*d*d*b^-1,
d*b^-1*b^-1*d^-1*b,
a^-1*c^-1*a*a*c,
b^-1*c^-1*d^-1*a^-1*b*c*d,
c*d*a^-1*b*c^-1*d^-1*a,
a*b*c*d^-1*a^-1*b^-1*c^-1,
d^-1*a*b*c^-1*d*a^-1*b^-1,
d*a^-1*b^-1*c*d^-1*a*b,
a^-1*b^-1*c^-1*d*a*b*c,
c^-1*d^-1*a*b^-1*c*d*a^-1,
b*c*d*a*b^-1*c^-1*d^-1,
a*c^-1*a^-1*c*a,
b^-1*d*b*d^-1*b^-1,
d*b*d^-1*b^-1*d,
c*a*c^-1*a^-1*c,
c^-1*a^-1*c*a*c^-1,
d^-1*b^-1*d*b*d^-1,
b*d^-1*b^-1*d*b,
a^-1*c*a*c^-1*a^-1,
c*b*a^-1*d*c*d*a^-1*a^-1*d,
b^-1*a^-1*a^-1*b^-1*c^-1*b^-1*a^-1*d^-1*c^-1,
c*b*b*c*d*c*b*a^-1*d,
b^-1*a^-1*d^-1*c^-1*b^-1*c^-1*d^-1*d^-1*c^-1,
d^-1*c^-1*b*a*d^-1*a*b*b*a,
a*d^-1*d^-1*a*b*a*d^-1*c*b,
d^-1*c^-1*c^-1*d^-1*a*d^-1*c^-1*b*a,
a*d^-1*c*b*a*b*c*c*b,
a^-1*d*c^-1*b^-1*a^-1*b^-1*c^-1*c^-1*b^-1,
d*c*c*d*a^-1*d*c*b^-1*a^-1,
a^-1*d*d*a^-1*b^-1*a^-1*d*c^-1*b^-1,
d*c*b^-1*a^-1*d*a^-1*b^-1*b^-1*a^-1,
b*a*d*c*b*c*d*d*c,
c^-1*b^-1*b^-1*c^-1*d^-1*c^-1*b^-1*a*d^-1,
b*a*a*b*c*b*a*d*c,
c^-1*b^-1*a*d^-1*c^-1*d^-1*a*a*d^-1,
c*b*d^-1*b*d^-1*a^-1*d,
b^-1*a^-1*b*d^-1*b*d^-1*c^-1,
c*b*c^-1*a^-1*c^-1*a^-1*d,
b^-1*a^-1*c*a^-1*c*d^-1*c^-1,
d^-1*c^-1*a^-1*c^-1*a^-1*b*a,
a*d^-1*a^-1*c*a^-1*c*b,
d^-1*c^-1*d*b*d*b*a,
a*d^-1*b^-1*d^-1*b^-1*c*b,
a^-1*d*b*d*b*c^-1*b^-1,
d*c*d^-1*b^-1*d^-1*b^-1*a^-1,
a^-1*d*a*c^-1*a*c^-1*b^-1,
d*c*a*c*a*b^-1*a^-1,
b*a*c^-1*a*c^-1*d*c,
c^-1*b^-1*c*a*c*a*d^-1,
b*a*b^-1*d*b^-1*d*c,
c^-1*b^-1*d*b^-1*d*a*d^-1,
c*b*c*d^-1*a*d^-1*a^-1*d,
b^-1*a^-1*b*a*b*c^-1*d^-1*c^-1,
c*b*c^-1*b^-1*c^-1*d*a^-1*d,
b^-1*a^-1*b^-1*c*d*c*d^-1*c^-1,
d^-1*c^-1*d^-1*a^-1*b^-1*a^-1*b*a,
a*d^-1*a^-1*d*a^-1*b*c*b,
d^-1*c^-1*d*c*d*a*b*a,
a*d^-1*a*b^-1*c^-1*b^-1*c*b,
a^-1*d*a^-1*b*c*b*c^-1*b^-1,
d*c*d^-1*c^-1*d^-1*a^-1*b^-1*a^-1,
a^-1*d*a*d^-1*a*b^-1*c^-1*b^-1,
d*c*d*a*b*a*b^-1*a^-1,
b*a*b*c^-1*d^-1*c^-1*d*c,
c^-1*b^-1*c*b*c*d^-1*a*d^-1,
b*a*b^-1*a^-1*b^-1*c*d*c,
c^-1*b^-1*c^-1*d*a^-1*d*a*d^-1,
c*b*c*c*b*d*a^-1*d,
b^-1*a^-1*b^-1*d^-1*c^-1*c^-1*d^-1*c^-1,
c*b*c*a^-1*d*d*a^-1*d,
b^-1*a^-1*b^-1*b^-1*a^-1*c^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*d^-1*c^-1*a*b*a,
a*d^-1*a*c*b*b*c*b,
d^-1*c^-1*d^-1*b*a*a*b*a,
a*d^-1*a*a*d^-1*b*c*b,
a^-1*d*a^-1*a^-1*d*b^-1*c^-1*b^-1,
d*c*d*b^-1*a^-1*a^-1*b^-1*a^-1,
a^-1*d*a^-1*c^-1*b^-1*b^-1*c^-1*b^-1,
d*c*d*d*c*a^-1*b^-1*a^-1,
b*a*b*b*a*c*d*c,
c^-1*b^-1*c^-1*a*d^-1*d^-1*a*d^-1,
b*a*b*d*c*c*d*c,
c^-1*b^-1*c^-1*c^-1*b^-1*d^-1*a*d^-1,
c*d*b*a*d^-1*c^-1*a*d,
b^-1*a*c*b*a*d^-1*b^-1*c^-1,
c*b^-1*d^-1*c^-1*b^-1*a^-1*c*d,
b^-1*c^-1*a^-1*d*c*b*d*c^-1,
d^-1*a*c^-1*b^-1*a^-1*d*b^-1*a,
a*d*b^-1*a^-1*d*c*a*b,
d^-1*c*a^-1*d*c*b*d^-1*a,
a*b*d^-1*c^-1*b^-1*a^-1*c^-1*b,
a^-1*b^-1*a*b*c*d*c*b^-1,
d*c^-1*a*d^-1*c^-1*b^-1*d*a^-1,
a^-1*d^-1*b*a*d^-1*c^-1*a^-1*b^-1,
d*a^-1*c*b*a*d^-1*b*a^-1,
b*c*a*d^-1*c^-1*b^-1*d^-1*c,
c^-1*b*a*b*c*d*c^-1*d^-1,
b*a^-1*c^-1*b^-1*a^-1*d*b*c,
c^-1*d^-1*b^-1*a^-1*d*c*a^-1*d^-1,
b^-1*a^-1*d*c*a^-1*c*d*d,
b^-1*b^-1*c^-1*a^-1*c^-1*b^-1*a^-1*d,
c*c*d*b*a*b*c*d,
a*d^-1*c^-1*b^-1*d^-1*b^-1*c^-1*c^-1,
c*b*a*d^-1*b*d^-1*a*a,
a*a*b*d^-1*b*a*d^-1*c^-1,
d^-1*d^-1*a*c^-1*a*d^-1*c^-1*b^-1,
a*b*c*d*c*a*b*b,
d^-1*c^-1*b^-1*a^-1*c^-1*a^-1*b^-1*b^-1,
d*d*a^-1*c*a^-1*d*c*b,
a^-1*a^-1*b^-1*d*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*b^-1*d*a^-1*a^-1,
a^-1*d*c*b*d*b*c*c,
c^-1*c^-1*d^-1*b^-1*d^-1*c^-1*b^-1*a^-1,
b*b*c*a*c*b*a*d^-1,
b*a*d^-1*c^-1*a*c^-1*d^-1*d^-1,
c*b*c*b*c*b*c*a^-1*d,
b^-1*a^-1*c^-1*d^-1*c^-1*d^-1*c^-1*d^-1*c^-1,
c*b*d*a^-1*d*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*b^-1*a^-1*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*c^-1*d^-1*c^-1*d^-1*b*a,
a*d^-1*b*c*b*c*b*c*b,
d^-1*c^-1*a*b*a*b*a*b*a,
a*d^-1*a*d^-1*a*d^-1*a*c*b,
a^-1*d*a^-1*d*a^-1*d*a^-1*c^-1*b^-1,
d*c*a^-1*b^-1*a^-1*b^-1*a^-1*b^-1*a^-1,
a^-1*d*b^-1*c^-1*b^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*d*c*d*b^-1*a^-1,
b*a*b*a*b*a*b*d*c,
c^-1*b^-1*d^-1*a*d^-1*a*d^-1*a*d^-1,
b*a*c*d*c*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*c^-1*b^-1*c^-1*a*d^-1,
c*a^-1*d*c*b*c*a^-1*d*c*a^-1*d,
b^-1*a^-1*c^-1*b^-1*a^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*d*c*b*d*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*d^-1*c^-1*b^-1*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*d^-1*b*a*d^-1*b*a,
a*d^-1*b*a*d^-1*b*c*b*a*d^-1*b,
d^-1*c^-1*a*d^-1*c^-1*a*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a*c*b*a*c*b,
a^-1*c^-1*b^-1*a^-1*d*a^-1*c^-1*b^-1*a^-1*c^-1*b^-1,
d*c*a^-1*d*c*a^-1*b^-1*a^-1*d*c*a^-1,
a^-1*d*b^-1*a^-1*d*b^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d*b^-1*a^-1*d*b^-1*a^-1,
b*a*b*c*d*b*d*c*b*d*c,
c^-1*b^-1*d^-1*c^-1*b^-1*d^-1*a*d^-1*c^-1*b^-1*d^-1,
b*a*c*b*a*c*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c^-1*a*d^-1*c^-1*a*d^-1,
c*b*c*a^-1*d^-1*a^-1*d,
b^-1*a^-1*b*a^-1*c^-1*d^-1*c^-1,
c*b*c^-1*b*d*a^-1*d,
b^-1*a^-1*b^-1*d^-1*c*d^-1*c^-1,
d^-1*c^-1*d^-1*b*a^-1*b*a,
a*d^-1*a^-1*d^-1*b*c*b,
d^-1*c^-1*d*c^-1*a*b*a,
a*d^-1*a*c*b^-1*c*b,
a^-1*d*a^-1*c^-1*b*c^-1*b^-1,
d*c*d^-1*c*a^-1*b^-1*a^-1,
a^-1*d*a*d*b^-1*c^-1*b^-1,
d*c*d*b^-1*a*b^-1*a^-1,
b*a*b*d*c^-1*d*c,
c^-1*b^-1*c*b^-1*d^-1*a*d^-1,
b*a*b^-1*a*c*d*c,
c^-1*b^-1*c^-1*a*d*a*d^-1,
c*b*c*a^-1*d*a^-1*a^-1*d,
b^-1*a^-1*a^-1*b^-1*a^-1*c^-1*d^-1*c^-1,
c*b*b*c*b*d*a^-1*d,
b^-1*a^-1*b^-1*d^-1*c^-1*d^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*b*a*b*b*a,
a*d^-1*d^-1*a*d^-1*b*c*b,
d^-1*c^-1*c^-1*d^-1*c^-1*a*b*a,
a*d^-1*a*c*b*c*c*b,
a^-1*d*a^-1*c^-1*b^-1*c^-1*c^-1*b^-1,
d*c*c*d*c*a^-1*b^-1*a^-1,
a^-1*d*d*a^-1*d*b^-1*c^-1*b^-1,
d*c*d*b^-1*a^-1*b^-1*b^-1*a^-1,
b*a*b*d*c*d*d*c,
c^-1*b^-1*b^-1*c^-1*b^-1*d^-1*a*d^-1,
b*a*a*b*a*c*d*c,
c^-1*b^-1*c^-1*a*d^-1*a*a*d^-1,
c*c*a*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*a*c^-1*c^-1,
c*b*d^-1*c^-1*b^-1*d*d,
b^-1*b^-1*d*c*b*d^-1*c^-1,
d^-1*d^-1*b^-1*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*d*b*b,
d^-1*c^-1*a^-1*d*c*a*a,
a*a*c^-1*b^-1*a^-1*c*b,
a^-1*a^-1*c*b*a*c^-1*b^-1,
d*c*a*d^-1*c^-1*a^-1*a^-1,
a^-1*d*b*a*d^-1*b^-1*b^-1,
d*d*b*a*d^-1*b^-1*a^-1,
b*b*d^-1*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*b*d^-1*d^-1,
b*a*c^-1*b^-1*a^-1*c*c,
c^-1*c^-1*a^-1*d*c*a*d^-1,
c*d*b^-1*d^-1*b*d,
b^-1*d^-1*b*d*b^-1*c^-1,
c*a^-1*c^-1*a*c*d,
b^-1*c^-1*a*c*a^-1*c^-1,
d^-1*a*c*a^-1*c^-1*a,
a*c*a^-1*c^-1*a*b,
d^-1*b*d*b^-1*d^-1*a,
a*b*d*b^-1*d^-1*b,
a^-1*b^-1*d^-1*b*d*b^-1,
d*b^-1*d^-1*b*d*a^-1,
a^-1*c^-1*a*c*a^-1*b^-1,
d*a^-1*c^-1*a*c*a^-1,
b*c*a^-1*c^-1*a*c,
c^-1*a*c*a^-1*c^-1*d^-1,
b*d*b^-1*d^-1*b*c,
c^-1*d^-1*b*d*b^-1*d^-1,
c*d*b*a*b*c*d*d,
b^-1*a*d^-1*c^-1*b^-1*d^-1*b^-1*c^-1,
c*b^-1*a^-1*d*c*a^-1*c*d,
b^-1*c^-1*a^-1*c^-1*b^-1*a^-1*d*c^-1,
d^-1*a*c^-1*a*d^-1*c^-1*b^-1*a,
a*a*b*c*d*c*a*b,
d^-1*c*b*a*d^-1*b*d^-1*a,
a*b*d^-1*b*a*d^-1*c^-1*b,
a^-1*b^-1*d*b^-1*a^-1*d*c*b^-1,
d*c^-1*b^-1*a^-1*d*b^-1*d*a^-1,
a^-1*d^-1*c^-1*b^-1*a^-1*c^-1*a^-1*b^-1,
d*a^-1*c*a^-1*d*c*b*a^-1,
b*c*a*c*b*a*d^-1*c,
c^-1*b*a*d^-1*c^-1*a*c^-1*d^-1,
b*a^-1*d*c*b*d*b*c,
c^-1*d^-1*b^-1*d^-1*c^-1*b^-1*a^-1*d^-1,
c*d*b*d^-1*b^-1*d,
b^-1*d*b*d^-1*b^-1*c^-1,
c*a*c^-1*a^-1*c*d,
b^-1*c^-1*a^-1*c*a*c^-1,
d^-1*a*c^-1*a^-1*c*a,
a*c^-1*a^-1*c*a*b,
d^-1*b^-1*d*b*d^-1*a,
a*b*d^-1*b^-1*d*b,
a^-1*b^-1*d*b*d^-1*b^-1,
d*b*d^-1*b^-1*d*a^-1,
a^-1*c*a*c^-1*a^-1*b^-1,
d*a^-1*c*a*c^-1*a^-1,
b*c*a*c^-1*a^-1*c,
c^-1*a^-1*c*a*c^-1*d^-1,
b*d^-1*b^-1*d*b*c,
c^-1*d^-1*b^-1*d*b*d^-1,
b^-1*a^-1*d*c*a*b^-1*d,
b^-1*d*a*c^-1*b^-1*a^-1*d,
c*a*b^-1*a*b*c*d,
a*d^-1*c^-1*b^-1*d*a*c^-1,
c*b*a*d^-1*b^-1*c*a,
a*c^-1*d*b*a*d^-1*c^-1,
d^-1*b^-1*c*a*d^-1*c^-1*b^-1,
a*b*c*d*c^-1*d*b,
d^-1*c^-1*b^-1*a^-1*c*d^-1*b^-1,
d*b*c^-1*a^-1*d*c*b,
a^-1*c*d^-1*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*b*c^-1*a^-1,
a^-1*d*c*b*d^-1*a^-1*c,
c^-1*a^-1*b*d^-1*c^-1*b^-1*a^-1,
b*d^-1*a^-1*c*b*a*d^-1,
b*a*d^-1*c^-1*a^-1*b*d^-1,
b^-1*b^-1*c^-1*d^-1*b*c*d,
b^-1*c^-1*d^-1*b*c*d*d,
c*d*a^-1*c^-1*d^-1*a*a,
a*a*b*c*a^-1*b^-1*c^-1,
c*c*d*a^-1*c^-1*d^-1*a,
a*b*c*a^-1*b^-1*c^-1*c^-1,
d^-1*a*b*d*a^-1*b^-1*b^-1,
d*d*a^-1*b^-1*d^-1*a*b,
d^-1*d^-1*a*b*d*a^-1*b^-1,
d*a^-1*b^-1*d^-1*a*b*b,
a^-1*b^-1*c^-1*a*b*c*c,
c^-1*c^-1*d^-1*a*c*d*a^-1,
a^-1*a^-1*b^-1*c^-1*a*b*c,
c^-1*d^-1*a*c*d*a^-1*a^-1,
b*c*d*b^-1*c^-1*d^-1*d^-1,
b*b*c*d*b^-1*c^-1*d^-1,
c*b*d^-1*c^-1*b^-1*c^-1*d^-1*a^-1*d,
b^-1*a^-1*b*c*d*c*b*d^-1*c^-1,
c*b*c^-1*d^-1*a*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*a*b*c*d^-1*c^-1,
d^-1*c^-1*a^-1*d*c*d*a^-1*b*a,
a*d^-1*a^-1*b^-1*c^-1*b^-1*a^-1*c*b,
d^-1*c^-1*d*a^-1*b^-1*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*d*a^-1*b^-1*c*b,
a^-1*d*b*a*d^-1*a*b*c^-1*b^-1,
d*c*d^-1*a*b*a*d^-1*b^-1*a^-1,
a^-1*d*a*b*c*b*a*c^-1*b^-1,
d*c*a*d^-1*c^-1*d^-1*a*b^-1*a^-1,
b*a*c^-1*b^-1*a^-1*b^-1*c^-1*d*c,
c^-1*b^-1*c*d*a^-1*d*c*a*d^-1,
b*a*b^-1*c^-1*d^-1*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*b*c*d*a*d^-1,
c*b*c*c*c*a^-1*d,
b^-1*a^-1*c^-1*c^-1*c^-1*d^-1*c^-1,
c*b*d*d*d*a^-1*d,
b^-1*a^-1*b^-1*b^-1*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*d^-1*d^-1*b*a,
a*d^-1*b*b*b*c*b,
d^-1*c^-1*a*a*a*b*a,
a*d^-1*a*a*a*c*b,
a^-1*d*a^-1*a^-1*a^-1*c^-1*b^-1,
d*c*a^-1*a^-1*a^-1*b^-1*a^-1,
a^-1*d*b^-1*b^-1*b^-1*c^-1*b^-1,
d*c*d*d*d*b^-1*a^-1,
b*a*b*b*b*d*c,
c^-1*b^-1*d^-1*d^-1*d^-1*a*d^-1,
b*a*c*c*c*d*c,
c^-1*b^-1*c^-1*c^-1*c^-1*a*d^-1,
c*a^-1*d*c*b*d*a^-1*d*c*a^-1*d,
b^-1*a^-1*c^-1*b^-1*a^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*d*c*b*c*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*c^-1*d^-1*c^-1*b^-1*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*a*b*a*d^-1*b*a,
a*d^-1*b*a*d^-1*a*c*b*a*d^-1*b,
d^-1*c^-1*a*d^-1*c^-1*d^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*b*c*b*a*c*b,
a^-1*c^-1*b^-1*a^-1*d*b^-1*c^-1*b^-1*a^-1*c^-1*b^-1,
d*c*a^-1*d*c*d*b^-1*a^-1*d*c*a^-1,
a^-1*d*b^-1*a^-1*d*a^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*a^-1*b^-1*a^-1*d*b^-1*a^-1,
b*a*b*c*d*c*d*c*b*d*c,
c^-1*b^-1*d^-1*c^-1*b^-1*c^-1*a*d^-1*c^-1*b^-1*d^-1,
b*a*c*b*a*b*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*d^-1*a*d^-1*c^-1*a*d^-1,
c*b*c*c*b*c*a^-1*d,
b^-1*a^-1*c^-1*d^-1*c^-1*c^-1*d^-1*c^-1,
c*b*d*a^-1*d*d*a^-1*d,
b^-1*a^-1*b^-1*b^-1*a^-1*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*d^-1*c^-1*d^-1*b*a,
a*d^-1*b*c*b*b*c*b,
d^-1*c^-1*a*b*a*a*b*a,
a*d^-1*a*a*d^-1*a*c*b,
a^-1*d*a^-1*a^-1*d*a^-1*c^-1*b^-1,
d*c*a^-1*b^-1*a^-1*a^-1*b^-1*a^-1,
a^-1*d*b^-1*c^-1*b^-1*b^-1*c^-1*b^-1,
d*c*d*d*c*d*b^-1*a^-1,
b*a*b*b*a*b*d*c,
c^-1*b^-1*d^-1*a*d^-1*d^-1*a*d^-1,
b*a*c*d*c*c*d*c,
c^-1*b^-1*c^-1*c^-1*b^-1*c^-1*a*d^-1,
c*a^-1*d*c*b*d*c*b*c*a^-1*d,
b^-1*a^-1*c^-1*d^-1*c^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*d*a^-1*d*c*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b^-1*a^-1*b^-1*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*a*d^-1*c^-1*d^-1*b*a,
a*d^-1*b*c*b*a*c*b*a*d^-1*b,
d^-1*c^-1*a*b*a*d^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*b*a*d^-1*a*c*b,
a^-1*c^-1*b^-1*a^-1*d*b^-1*a^-1*d*a^-1*c^-1*b^-1,
d*c*a^-1*b^-1*a^-1*d*b^-1*a^-1*d*c*a^-1,
a^-1*d*b^-1*c^-1*b^-1*a^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*a^-1*d*c*d*b^-1*a^-1,
b*a*b*c*a*b*c*d*b*d*c,
c^-1*b^-1*d^-1*a*d^-1*c^-1*a*d^-1*c^-1*b^-1*d^-1,
b*a*c*a*b*c*d*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*d^-1*c^-1*b^-1*c^-1*a*d^-1,
c*a^-1*d*c*b*c*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
c*a^-1*d*c*b*d*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*b*a*d^-1*c^-1*d^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*b*c*b*a*d^-1*b,
d^-1*b*a*d^-1*c^-1*a*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a*c*b*a*d^-1*b,
a^-1*c^-1*b^-1*a^-1*d*a^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*a^-1*b^-1*a^-1*d*c*a^-1,
a^-1*c^-1*b^-1*a^-1*d*b^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d*b^-1*a^-1*d*c*a^-1,
b*a*b*c*d*b*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*d^-1*a*d^-1*c^-1*b^-1*d^-1,
b*a*b*c*d*c*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c^-1*a*d^-1*c^-1*b^-1*d^-1,
c*d*d*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b^-1*b^-1*c^-1,
c*a*b*c*d*c*c*d,
b^-1*c^-1*c^-1*a*d^-1*c^-1*b^-1*c^-1,
d^-1*a*a*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a*a*b,
d^-1*a*d^-1*c^-1*b^-1*d^-1*d^-1*a,
a*b*b*a*b*c*d*b,
a^-1*b^-1*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d*d*a^-1,
a^-1*b^-1*a^-1*d*c*a^-1*a^-1*b^-1,
d*a^-1*a^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*c*a^-1*d*c*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*c^-1*d^-1,
b*c*b*a*d^-1*b*b*c,
c^-1*d^-1*d^-1*b*a*d^-1*c^-1*d^-1,
c*b*c*d*a*c*a^-1*d,
b^-1*a^-1*c^-1*a*b^-1*c^-1*d^-1*c^-1,
c*b*d*b^-1*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*d*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*a*b^-1*d^-1*b*a,
a*d^-1*b*d*a*b*c*b,
d^-1*c^-1*a*c*d^-1*a*b*a,
a*d^-1*a*b*c^-1*a*c*b,
a^-1*d*a^-1*b^-1*c*a^-1*c^-1*b^-1,
d*c*a^-1*c^-1*d*a^-1*b^-1*a^-1,
a^-1*d*b^-1*d^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*b*d*b^-1*a^-1,
b*a*b*c*d^-1*b*d*c,
c^-1*b^-1*d^-1*b*c^-1*d^-1*a*d^-1,
b*a*c*a^-1*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*a^-1*c^-1*a*d^-1,
c*a^-1*c^-1*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*c*a^-1*c^-1,
c*b*d^-1*c^-1*d^-1*b*d,
b^-1*d^-1*b*c*b*d^-1*c^-1,
d^-1*b*d*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*b^-1*d^-1*b,
d^-1*c^-1*a^-1*d*a^-1*c^-1*a,
a*c*a^-1*b^-1*a^-1*c*b,
a^-1*c^-1*a*b*a*c^-1*b^-1,
d*c*a*d^-1*a*c*a^-1,
a^-1*d*b*a*b*d*b^-1,
d*b^-1*d^-1*a*d^-1*b^-1*a^-1,
b*d*b^-1*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*d*b^-1*d^-1,
b*a*c^-1*b^-1*c^-1*a*c,
c^-1*a*c*d*c*a*d^-1,
c*a^-1*c^-1*c^-1*a^-1*d,
b^-1*a^-1*c*c*a^-1*c^-1,
c*b*d^-1*d^-1*b*d,
b^-1*d^-1*b*b*d^-1*c^-1,
d^-1*b*d*d*b*a,
a*d^-1*b^-1*b^-1*d^-1*b,
d^-1*c^-1*a^-1*a^-1*c^-1*a,
a*c*a^-1*a^-1*c*b,
a^-1*c^-1*a*a*c^-1*b^-1,
d*c*a*a*c*a^-1,
a^-1*d*b*b*d*b^-1,
d*b^-1*d^-1*d^-1*b^-1*a^-1,
b*d*b^-1*b^-1*d*c,
c^-1*b^-1*d*d*b^-1*d^-1,
b*a*c^-1*c^-1*a*c,
c^-1*a*c*c*a*d^-1,
c*c*b^-1*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*d*c^-1*c^-1,
c*b*c*b*a*d*d,
b^-1*b^-1*a*d^-1*c^-1*d^-1*c^-1,
d^-1*d^-1*c*b*a*b*a,
a*d^-1*a*d^-1*c^-1*b*b,
d^-1*c^-1*d^-1*c^-1*b^-1*a*a,
a*a*d*c*b*c*b,
a^-1*a^-1*d^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*b*a^-1*a^-1,
a^-1*d*a^-1*d*c*b^-1*b^-1,
d*d*c^-1*b^-1*a^-1*b^-1*a^-1,
b*b*a^-1*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*a^-1*d^-1*d^-1,
b*a*b*a*d^-1*c*c,
c^-1*c^-1*b*a*d^-1*a*d^-1,
c*b^-1*d*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*d*c^-1,
c*a^-1*d*c*b*c*a*d,
b^-1*a*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*c*a*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a*c^-1*b,
d^-1*b*a*d^-1*c^-1*d^-1*b^-1*a,
a*d*b*c*b*a*d^-1*b,
a^-1*d^-1*b^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d*b*a^-1,
a^-1*c^-1*b^-1*a^-1*d*a^-1*c*b^-1,
d*c^-1*a^-1*b^-1*a^-1*d*c*a^-1,
b*a^-1*c*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c^-1*a^-1*d^-1,
b*a*b*c*d*b*d^-1*c,
c^-1*b*d^-1*a*d^-1*c^-1*b^-1*d^-1,
c*d*b^-1*c^-1*d^-1*b^-1*d,
b^-1*d*b*c*d*b^-1*c^-1,
c*a*c^-1*d^-1*a*c*d,
b^-1*c^-1*a*b*c*a*c^-1,
d^-1*a*c*d*a^-1*c*a,
a*c^-1*a^-1*b^-1*c^-1*a*b,
d^-1*b^-1*d*a^-1*b^-1*d^-1*a,
a*b*d*a^-1*b^-1*d*b,
a^-1*b^-1*d^-1*a*b*d^-1*b^-1,
d*b*d^-1*a*b*d*a^-1,
a^-1*c*a*b*c*a^-1*b^-1,
d*a^-1*c^-1*d^-1*a*c^-1*a^-1,
b*c*a^-1*b^-1*c^-1*a^-1*c,
c^-1*a^-1*c*d*a^-1*c^-1*d^-1,
b*d^-1*b^-1*c^-1*d^-1*b*c,
c^-1*d^-1*b*c*d*b*d^-1,
c*d*a^-1*a^-1*b*c*d,
b^-1*c^-1*d^-1*a^-1*a^-1*b^-1*c^-1,
c*d*a^-1*b*b*c*d,
b^-1*c^-1*d^-1*d^-1*a^-1*b^-1*c^-1,
d^-1*a*b*b*c^-1*d^-1*a,
a*b*c*d^-1*d^-1*a*b,
d^-1*a*b*c^-1*c^-1*d^-1*a,
a*b*c*c*d^-1*a*b,
a^-1*b^-1*c^-1*c^-1*d*a^-1*b^-1,
d*a^-1*b^-1*c*c*d*a^-1,
a^-1*b^-1*c^-1*d*d*a^-1*b^-1,
d*a^-1*b^-1*b^-1*c*d*a^-1,
b*c*d*d*a*b*c,
c^-1*d^-1*a*b^-1*b^-1*c^-1*d^-1,
b*c*d*a*a*b*c,
c^-1*d^-1*a*a*b^-1*c^-1*d^-1,
b^-1*b^-1*d*b*c*d,
b^-1*c^-1*d^-1*b^-1*d*d,
c*d*a^-1*c*a*a,
a*a*c^-1*a^-1*b^-1*c^-1,
c*c*a*c^-1*d^-1*a,
a*b*c*a*c^-1*c^-1,
d^-1*a*b*d^-1*b^-1*b^-1,
d*d*b*d^-1*a*b,
d^-1*d^-1*b^-1*d*a^-1*b^-1,
d*a^-1*b^-1*d*b*b,
a^-1*b^-1*c^-1*a^-1*c*c,
c^-1*c^-1*a^-1*c*d*a^-1,
a^-1*a^-1*c*a*b*c,
c^-1*d^-1*a*c^-1*a^-1*a^-1,
b*c*d*b*d^-1*d^-1,
b*b*d^-1*b^-1*c^-1*d^-1,
c*b*c*d^-1*c*a^-1*d,
b^-1*a^-1*c^-1*b*c^-1*d^-1*c^-1,
c*b*d*c^-1*d*a^-1*d,
b^-1*a^-1*b^-1*c*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*a^-1*d^-1*b*a,
a*d^-1*b*a^-1*b*c*b,
d^-1*c^-1*a*d*a*b*a,
a*d^-1*a*b^-1*a*c*b,
a^-1*d*a^-1*b*a^-1*c^-1*b^-1,
d*c*a^-1*d^-1*a^-1*b^-1*a^-1,
a^-1*d*b^-1*a*b^-1*c^-1*b^-1,
d*c*d*a*d*b^-1*a^-1,
b*a*b*c^-1*b*d*c,
c^-1*b^-1*d^-1*c*d^-1*a*d^-1,
b*a*c*b^-1*c*d*c,
c^-1*b^-1*c^-1*d*c^-1*a*d^-1,
c*b*d^-1*c^-1*a^-1*a^-1*d,
b^-1*a^-1*a^-1*c*b*d^-1*c^-1,
c*b*b*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*d^-1*d^-1*c^-1,
d^-1*c^-1*a^-1*d*b*b*a,
a*d^-1*d^-1*b^-1*a^-1*c*b,
d^-1*c^-1*c^-1*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*c*c*b,
a^-1*d*b*a*c^-1*c^-1*b^-1,
d*c*c*a*d^-1*b^-1*a^-1,
a^-1*d*d*b*a*c^-1*b^-1,
d*c*a*d^-1*b^-1*b^-1*a^-1,
b*a*c^-1*b^-1*d*d*c,
c^-1*b^-1*b^-1*d*c*a*d^-1,
b*a*a*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*a*a*d^-1,
c*b*c*d*c*a^-1*a^-1*d,
b^-1*a^-1*a^-1*c^-1*b^-1*c^-1*d^-1*c^-1,
c*b*b*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*d^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*a*d^-1*b*b*a,
a*d^-1*d^-1*b*a*b*c*b,
d^-1*c^-1*c^-1*a*d^-1*a*b*a,
a*d^-1*a*b*a*c*c*b,
a^-1*d*a^-1*b^-1*a^-1*c^-1*c^-1*b^-1,
d*c*c*a^-1*d*a^-1*b^-1*a^-1,
a^-1*d*d*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*b^-1*b^-1*a^-1,
b*a*b*c*b*d*d*c,
c^-1*b^-1*b^-1*d^-1*c^-1*d^-1*a*d^-1,
b*a*a*c*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c^-1*a*a*d^-1,
c*a^-1*c^-1*a^-1*a^-1*d,
b^-1*a^-1*a^-1*c*a^-1*c^-1,
c*b*b*d^-1*b*d,
b^-1*d^-1*b*d^-1*d^-1*c^-1,
d^-1*b*d*b*b*a,
a*d^-1*d^-1*b^-1*d^-1*b,
d^-1*c^-1*c^-1*a^-1*c^-1*a,
a*c*a^-1*c*c*b,
a^-1*c^-1*a*c^-1*c^-1*b^-1,
d*c*c*a*c*a^-1,
a^-1*d*d*b*d*b^-1,
d*b^-1*d^-1*b^-1*b^-1*a^-1,
b*d*b^-1*d*d*c,
c^-1*b^-1*b^-1*d*b^-1*d^-1,
b*a*a*c^-1*a*c,
c^-1*a*c*a*a*d^-1,
c*a^-1*d*a^-1*c^-1*a^-1*d,
b^-1*a^-1*c*a^-1*b^-1*a^-1*c^-1,
c*b*d^-1*b*c*b*d,
b^-1*d^-1*c^-1*d^-1*b*d^-1*c^-1,
d^-1*b*a*b*d*b*a,
a*d^-1*b^-1*d^-1*a*d^-1*b,
d^-1*c^-1*a^-1*c^-1*d^-1*c^-1*a,
a*c*b*c*a^-1*c*b,
a^-1*c^-1*b^-1*c^-1*a*c^-1*b^-1,
d*c*a*c*d*c*a^-1,
a^-1*d*b*d*a^-1*d*b^-1,
d*b^-1*a^-1*b^-1*d^-1*b^-1*a^-1,
b*d*c*d*b^-1*d*c,
c^-1*b^-1*d*b^-1*c^-1*b^-1*d^-1,
b*a*c^-1*a*b*a*c,
c^-1*a*d^-1*a*c*a*d^-1,
c*d*b*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*d^-1*b^-1*c^-1,
c*a^-1*d*c*b*a^-1*c*d,
b^-1*c^-1*a^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*a*c^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*c*a*b,
d^-1*b*a*d^-1*c^-1*b*d^-1*a,
a*b*d^-1*c*b*a*d^-1*b,
a^-1*b^-1*d*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*b^-1*d*a^-1,
a^-1*c^-1*b^-1*a^-1*d*c^-1*a^-1*b^-1,
d*a^-1*c*b^-1*a^-1*d*c*a^-1,
b*c*a*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*a*c^-1*d^-1,
b*a*b*c*d*d*b*c,
c^-1*d^-1*b^-1*a*d^-1*c^-1*b^-1*d^-1,
c*d*b*c*d*b^-1*d,
b^-1*d*b^-1*c^-1*d^-1*b^-1*c^-1,
c*a*c*d*a^-1*c*d,
b^-1*c^-1*a^-1*b^-1*c^-1*a*c^-1,
d^-1*a*c^-1*d^-1*a*c*a,
a*c^-1*a*b*c*a*b,
d^-1*b^-1*d^-1*a*b*d^-1*a,
a*b*d^-1*a*b*d*b,
a^-1*b^-1*d*a^-1*b^-1*d^-1*b^-1,
d*b*d*a^-1*b^-1*d*a^-1,
a^-1*c*a^-1*b^-1*c^-1*a^-1*b^-1,
d*a^-1*c*d*a^-1*c^-1*a^-1,
b*c*a*b*c*a^-1*c,
c^-1*a^-1*c^-1*d^-1*a*c^-1*d^-1,
b*d^-1*b*c*d*b*c,
c^-1*d^-1*b^-1*c^-1*d^-1*b*d^-1,
b^-1*b^-1*c^-1*d^-1*b^-1*d,
b^-1*d*b*c*d*d,
c*a*c^-1*d^-1*a*a,
a*a*b*c*a*c^-1,
c*c*d*a^-1*c*a,
a*c^-1*a^-1*b^-1*c^-1*c^-1,
d^-1*b^-1*d*a^-1*b^-1*b^-1,
d*d*a^-1*b^-1*d*b,
d^-1*d^-1*a*b*d^-1*b^-1,
d*b*d^-1*a*b*b,
a^-1*c*a*b*c*c,
c^-1*c^-1*d^-1*a*c^-1*a^-1,
a^-1*a^-1*b^-1*c^-1*a^-1*c,
c^-1*a^-1*c*d*a^-1*a^-1,
b*d^-1*b^-1*c^-1*d^-1*d^-1,
b*b*c*d*b*d^-1,
b^-1*a*d^-1*c^-1*b^-1*c*d,
b^-1*c^-1*a*b*c*d*d,
c*d*a*d^-1*c^-1*b^-1*a,
a*a*b*c*d*b^-1*c^-1,
c*b^-1*a^-1*d*c*d^-1*a,
a*b*c^-1*b^-1*a^-1*d*c^-1,
d^-1*a*b^-1*a^-1*d*c*b^-1,
d*c^-1*b^-1*a^-1*d*a*b,
d^-1*c*b*a*d^-1*a^-1*b^-1,
d*a^-1*b*a*d^-1*c^-1*b,
a^-1*b^-1*c*b*a*d^-1*c,
c^-1*b*a*d^-1*c^-1*d*a^-1,
a^-1*d^-1*c^-1*b^-1*a^-1*b*c,
c^-1*d^-1*a^-1*d*c*b*a^-1,
b*c*d^-1*c^-1*b^-1*a^-1*d^-1,
b*a^-1*d*c*b*c^-1*d^-1,
c*b*c*d*c*c*a^-1*d,
b^-1*a^-1*c^-1*c^-1*b^-1*c^-1*d^-1*c^-1,
c*b*d*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*a*d^-1*d^-1*b*a,
a*d^-1*b*b*a*b*c*b,
d^-1*c^-1*a*a*d^-1*a*b*a,
a*d^-1*a*b*a*a*c*b,
a^-1*d*a^-1*b^-1*a^-1*a^-1*c^-1*b^-1,
d*c*a^-1*a^-1*d*a^-1*b^-1*a^-1,
a^-1*d*b^-1*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*d*b^-1*a^-1,
b*a*b*c*b*b*d*c,
c^-1*b^-1*d^-1*d^-1*c^-1*d^-1*a*d^-1,
b*a*c*c*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c^-1*c^-1*a*d^-1,
c*b*c*b*a^-1*a^-1*d,
b^-1*a^-1*a^-1*d^-1*c^-1*d^-1*c^-1,
c*b*b*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*d^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*c^-1*b*b*a,
a*d^-1*d^-1*c*b*c*b,
d^-1*c^-1*c^-1*b*a*b*a,
a*d^-1*a*d^-1*c*c*b,
a^-1*d*a^-1*d*c^-1*c^-1*b^-1,
d*c*c*b^-1*a^-1*b^-1*a^-1,
a^-1*d*d*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*b^-1*b^-1*a^-1,
b*a*b*a*d*d*c,
c^-1*b^-1*b^-1*a*d^-1*a*d^-1,
b*a*a*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*a*a*d^-1,
c*a^-1*a^-1*c*a^-1*d,
b^-1*a^-1*c^-1*a^-1*a^-1*c^-1,
c*b*d*b*b*d,
b^-1*d^-1*d^-1*b^-1*d^-1*c^-1,
d^-1*b*b*d^-1*b*a,
a*d^-1*b*d^-1*d^-1*b,
d^-1*c^-1*a*c^-1*c^-1*a,
a*c*c*a*c*b,
a^-1*c^-1*c^-1*a^-1*c^-1*b^-1,
d*c*a^-1*c*c*a^-1,
a^-1*d*b^-1*d*d*b^-1,
d*b^-1*b^-1*d*b^-1*a^-1,
b*d*d*b*d*c,
c^-1*b^-1*d^-1*b^-1*b^-1*d^-1,
b*a*c*a*a*c,
c^-1*a*a*c^-1*a*d^-1,
c*a^-1*d*c*d*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*c^-1,
c*b*c*b*c*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*d^-1*c^-1,
d^-1*b*a*d^-1*a*b*a*b*a,
a*d^-1*a*d^-1*a*b*a*d^-1*b,
d^-1*c^-1*d^-1*c^-1*d^-1*a*d^-1*c^-1*a,
a*c*b*a*b*c*b*c*b,
a^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*d*a^-1*d*c*a^-1,
a^-1*d*a^-1*d*a^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*a^-1*b^-1*a^-1*b^-1*a^-1,
b*d*c*b*c*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*d^-1,
b*a*b*a*b*c*b*a*c,
c^-1*a*d^-1*c^-1*d^-1*a*d^-1*a*d^-1,
c*d*c*d*a^-1*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*a^-1*b^-1*c^-1*b^-1*c^-1,
c*b*c*d*b*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*d^-1*b^-1*c^-1*d^-1*c^-1,
d^-1*a*d^-1*a*b*d^-1*a*b*a,
a*d^-1*a*b*d^-1*a*b*a*b,
d^-1*c^-1*d^-1*a*c^-1*d^-1*a*d^-1*a,
a*b*a*b*c*a*b*c*b,
a^-1*b^-1*a^-1*b^-1*c^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*c*d*a^-1*d*a^-1,
a^-1*d*a^-1*b^-1*d*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*b^-1*d*a^-1*b^-1*a^-1,
b*c*b*c*d*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*b^-1*c^-1*d^-1*c^-1*d^-1,
b*a*b*c*a*b*c*b*c,
c^-1*d^-1*c^-1*d^-1*a*c^-1*d^-1*a*d^-1,
c*d*d*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*b^-1*c^-1,
c*a^-1*d*c*b*c*c*d,
b^-1*c^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*a*a*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a*a*b,
d^-1*b*a*d^-1*c^-1*d^-1*d^-1*a,
a*b*b*c*b*a*d^-1*b,
a^-1*b^-1*b^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d*d*a^-1,
a^-1*c^-1*b^-1*a^-1*d*a^-1*a^-1*b^-1,
d*a^-1*a^-1*b^-1*a^-1*d*c*a^-1,
b*c*c*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c^-1*c^-1*d^-1,
b*a*b*c*d*b*b*c,
c^-1*d^-1*d^-1*a*d^-1*c^-1*b^-1*d^-1,
b^-1*a^-1*d*c*b^-1*c*d,
b^-1*c^-1*d*c^-1*b^-1*a^-1*d,
c*d*a*a*b*c*d,
a*d^-1*c^-1*b^-1*a*b^-1*c^-1,
c*b*a*d^-1*c*d^-1*a,
a*b*c^-1*b*a*d^-1*c^-1,
d^-1*a*b^-1*a*d^-1*c^-1*b^-1,
a*b*c*d*d*a*b,
d^-1*c^-1*b^-1*a^-1*d^-1*a^-1*b^-1,
d*a^-1*b*a^-1*d*c*b,
a^-1*b^-1*c*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*c^-1*d*a^-1,
a^-1*d*c*b*a^-1*b*c,
c^-1*d^-1*a^-1*d^-1*c^-1*b^-1*a^-1,
b*c*d^-1*c*b*a*d^-1,
b*a*d^-1*c^-1*b*c^-1*d^-1,
b^-1*b^-1*d*a^-1*b^-1*d,
b^-1*d*a^-1*b^-1*d*d,
c*a*b*c*a*a,
a*a*c^-1*d^-1*a*c^-1,
c*c*a*b*c*a,
a*c^-1*d^-1*a*c^-1*c^-1,
d^-1*b^-1*c^-1*d^-1*b^-1*b^-1,
d*d*b*c*d*b,
d^-1*d^-1*b^-1*c^-1*d^-1*b^-1,
d*b*c*d*b*b,
a^-1*c*d*a^-1*c*c,
c^-1*c^-1*a^-1*b^-1*c^-1*a^-1,
a^-1*a^-1*c*d*a^-1*c,
c^-1*a^-1*b^-1*c^-1*a^-1*a^-1,
b*d^-1*a*b*d^-1*d^-1,
b*b*d^-1*a*b*d^-1,
c*b*c*d*a*d^-1*a^-1*d,
b^-1*a^-1*b*a*b^-1*c^-1*d^-1*c^-1,
c*b*c^-1*b^-1*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*d*c*d^-1*c^-1,
d^-1*c^-1*d^-1*a*b^-1*a^-1*b*a,
a*d^-1*a^-1*d*a*b*c*b,
d^-1*c^-1*d*c*d^-1*a*b*a,
a*d^-1*a*b*c^-1*b^-1*c*b,
a^-1*d*a^-1*b^-1*c*b*c^-1*b^-1,
d*c*d^-1*c^-1*d*a^-1*b^-1*a^-1,
a^-1*d*a*d^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*b*a*b^-1*a^-1,
b*a*b*c*d^-1*c^-1*d*c,
c^-1*b^-1*c*b*c^-1*d^-1*a*d^-1,
b*a*b^-1*a^-1*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*a^-1*d*a*d^-1,
c*d^-1*c^-1*c^-1*a^-1*d,
b^-1*a^-1*c*c*b*c^-1,
c*b*d^-1*d^-1*c^-1*d,
b^-1*c*b*b*d^-1*c^-1,
d^-1*a^-1*d*d*b*a,
a*d^-1*b^-1*b^-1*a^-1*b,
d^-1*c^-1*a^-1*a^-1*d*a,
a*b^-1*a^-1*a^-1*c*b,
a^-1*b*a*a*c^-1*b^-1,
d*c*a*a*d^-1*a^-1,
a^-1*d*b*b*a*b^-1,
d*a*d^-1*d^-1*b^-1*a^-1,
b*c^-1*b^-1*b^-1*d*c,
c^-1*b^-1*d*d*c*d^-1,
b*a*c^-1*c^-1*b^-1*c,
c^-1*d*c*c*a*d^-1,
c*d^-1*c^-1*d^-1*b*d,
b^-1*d^-1*b*c*b*c^-1,
c*a^-1*c^-1*d^-1*c^-1*d,
b^-1*c*b*c*a^-1*c^-1,
d^-1*a^-1*d*a^-1*c^-1*a,
a*c*a^-1*b^-1*a^-1*b,
d^-1*b*d*a^-1*d*a,
a*b^-1*a^-1*b^-1*d^-1*b,
a^-1*b*a*b*d*b^-1,
d*b^-1*d^-1*a*d^-1*a^-1,
a^-1*c^-1*a*b*a*b^-1,
d*a*d^-1*a*c*a^-1,
b*c^-1*b^-1*c^-1*a*c,
c^-1*a*c*d*c*d^-1,
b*d*b^-1*c^-1*b^-1*c,
c^-1*d*c*d*b^-1*d^-1,
c*d^-1*b*a*b*d,
b^-1*d^-1*a*d^-1*b*c^-1,
c*a^-1*b^-1*a^-1*c^-1*d,
b^-1*c*a^-1*d*a^-1*c^-1,
d^-1*a^-1*c^-1*b^-1*c^-1*a,
a*c*d*c*a^-1*b,
d^-1*b*c*b*d*a,
a*b^-1*d^-1*c^-1*d^-1*b,
a^-1*b*d*c*d*b^-1,
d*b^-1*c^-1*b^-1*d^-1*a^-1,
a^-1*c^-1*d^-1*c^-1*a*b^-1,
d*a*c*b*c*a^-1,
b*c^-1*a*d^-1*a*c,
c^-1*a*b*a*c*d^-1,
b*d*a^-1*d*b^-1*c,
c^-1*d*b^-1*a^-1*b^-1*d^-1,
c*b^-1*c^-1*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*c*d*c^-1,
c*a^-1*d*c*b*d^-1*a*d,
b^-1*a*b*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*c*d*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*b^-1*c^-1*b,
d^-1*b*a*d^-1*c^-1*a^-1*b^-1*a,
a*d*a^-1*c*b*a*d^-1*b,
a^-1*d^-1*a*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*a*b*a^-1,
a^-1*c^-1*b^-1*a^-1*d*b*c*b^-1,
d*c^-1*d^-1*b^-1*a^-1*d*c*a^-1,
b*a^-1*b^-1*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*d*a^-1*d^-1,
b*a*b*c*d*c^-1*d^-1*c,
c^-1*b*c*a*d^-1*c^-1*b^-1*d^-1,
c*d*c^-1*d^-1*b^-1*d,
b^-1*d*b*c*b^-1*c^-1,
c*a*c^-1*d^-1*c*d,
b^-1*c^-1*b*c*a*c^-1,
d^-1*a*d*a^-1*c*a,
a*c^-1*a^-1*b^-1*a*b,
d^-1*b^-1*d*a^-1*d^-1*a,
a*b*a^-1*b^-1*d*b,
a^-1*b^-1*a*b*d^-1*b^-1,
d*b*d^-1*a*d*a^-1,
a^-1*c*a*b*a^-1*b^-1,
d*a^-1*d^-1*a*c^-1*a^-1,
b*c*b^-1*c^-1*a^-1*c,
c^-1*a^-1*c*d*c^-1*d^-1,
b*d^-1*b^-1*c^-1*b*c,
c^-1*d^-1*c*d*b*d^-1,
c*d*b*a^-1*b^-1*d,
b^-1*d*a^-1*d^-1*b^-1*c^-1,
c*a*b*a^-1*c*d,
b^-1*c^-1*a^-1*d^-1*a*c^-1,
d^-1*a*c^-1*b*c*a,
a*c^-1*d^-1*c*a*b,
d^-1*b^-1*c^-1*b*d^-1*a,
a*b*d^-1*c*d*b,
a^-1*b^-1*d*c^-1*d^-1*b^-1,
d*b*c*b^-1*d*a^-1,
a^-1*c*d*c^-1*a^-1*b^-1,
d*a^-1*c*b^-1*c^-1*a^-1,
b*c*a*d*a^-1*c,
c^-1*a^-1*b^-1*a*c^-1*d^-1,
b*d^-1*a*d*b*c,
c^-1*d^-1*b^-1*a*b*d^-1,
b^-1*b^-1*c^-1*b*c*d,
b^-1*c^-1*d^-1*c*d*d,
c*d*a^-1*d^-1*a*a,
a*a*b*a^-1*b^-1*c^-1,
c*c*d*c^-1*d^-1*a,
a*b*c*b^-1*c^-1*c^-1,
d^-1*a*b*a^-1*b^-1*b^-1,
d*d*a^-1*d^-1*a*b,
d^-1*d^-1*a*d*a^-1*b^-1,
d*a^-1*b^-1*a*b*b,
a^-1*b^-1*c^-1*b*c*c,
c^-1*c^-1*d^-1*c*d*a^-1,
a^-1*a^-1*b^-1*a*b*c,
c^-1*d^-1*a*d*a^-1*a^-1,
b*c*d*c^-1*d^-1*d^-1,
b*b*c*b^-1*c^-1*d^-1,
c*b*a^-1*a^-1*a^-1*d,
b^-1*a^-1*a^-1*a^-1*d^-1*c^-1,
c*b*b*b*a^-1*d,
b^-1*a^-1*d^-1*d^-1*d^-1*c^-1,
d^-1*c^-1*b*b*b*a,
a*d^-1*d^-1*d^-1*c*b,
d^-1*c^-1*c^-1*c^-1*b*a,
a*d^-1*c*c*c*b,
a^-1*d*c^-1*c^-1*c^-1*b^-1,
d*c*c*c*b^-1*a^-1,
a^-1*d*d*d*c^-1*b^-1,
d*c*b^-1*b^-1*b^-1*a^-1,
b*a*d*d*d*c,
c^-1*b^-1*b^-1*b^-1*a*d^-1,
b*a*a*a*d*c,
c^-1*b^-1*a*a*a*d^-1,
c*a^-1*d*c*b*a^-1*d*c*a^-1*d,
b^-1*a^-1*c^-1*b^-1*a^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*d*c*b*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*d^-1*c^-1*b^-1*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*b*a*d^-1*b*a,
a*d^-1*b*a*d^-1*c*b*a*d^-1*b,
d^-1*c^-1*a*d^-1*c^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*c*b*a*c*b,
a^-1*c^-1*b^-1*a^-1*d*c^-1*b^-1*a^-1*c^-1*b^-1,
d*c*a^-1*d*c*b^-1*a^-1*d*c*a^-1,
a^-1*d*b^-1*a^-1*d*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*b^-1*a^-1*d*b^-1*a^-1,
b*a*b*c*d*d*c*b*d*c,
c^-1*b^-1*d^-1*c^-1*b^-1*a*d^-1*c^-1*b^-1*d^-1,
b*a*c*b*a*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*a*d^-1*c^-1*a*d^-1,
c*b*c*d*c*d*c*a^-1*d,
b^-1*a^-1*c^-1*b^-1*c^-1*b^-1*c^-1*d^-1*c^-1,
c*b*d*c*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*c^-1*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*a*d^-1*a*d^-1*b*a,
a*d^-1*b*a*b*a*b*c*b,
d^-1*c^-1*a*d^-1*a*d^-1*a*b*a,
a*d^-1*a*b*a*b*a*c*b,
a^-1*d*a^-1*b^-1*a^-1*b^-1*a^-1*c^-1*b^-1,
d*c*a^-1*d*a^-1*d*a^-1*b^-1*a^-1,
a^-1*d*b^-1*a^-1*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*a^-1*d*b^-1*a^-1,
b*a*b*c*b*c*b*d*c,
c^-1*b^-1*d^-1*c^-1*d^-1*c^-1*d^-1*a*d^-1,
b*a*c*b*c*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c^-1*d^-1*c^-1*a*d^-1,
c*b*a^-1*b*a^-1*d,
b^-1*a^-1*d^-1*a^-1*d^-1*c^-1,
d^-1*c^-1*b*c^-1*b*a,
a*d^-1*c*d^-1*c*b,
a^-1*d*c^-1*d*c^-1*b^-1,
d*c*b^-1*c*b^-1*a^-1,
b*a*d*a*d*c,
c^-1*b^-1*a*b^-1*a*d^-1,
c*b*c*d*c*b*c*a^-1*d,
b^-1*a^-1*c^-1*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1,
c*b*d*a^-1*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*a*d^-1*c^-1*d^-1*b*a,
a*d^-1*b*c*b*a*b*c*b,
d^-1*c^-1*a*b*a*d^-1*a*b*a,
a*d^-1*a*b*a*d^-1*a*c*b,
a^-1*d*a^-1*b^-1*a^-1*d*a^-1*c^-1*b^-1,
d*c*a^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1,
a^-1*d*b^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*c*d*b^-1*a^-1,
b*a*b*c*b*a*b*d*c,
c^-1*b^-1*d^-1*a*d^-1*c^-1*d^-1*a*d^-1,
b*a*c*d*c*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*c^-1*a*d^-1,
c*b*c*a*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*a*c^-1*d^-1*c^-1,
c*b*d^-1*c^-1*b^-1*d*a^-1*d,
b^-1*a^-1*b^-1*d*c*b*d^-1*c^-1,
d^-1*c^-1*d^-1*b^-1*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*d*b*c*b,
d^-1*c^-1*a^-1*d*c*a*b*a,
a*d^-1*a*c^-1*b^-1*a^-1*c*b,
a^-1*d*a^-1*c*b*a*c^-1*b^-1,
d*c*a*d^-1*c^-1*a^-1*b^-1*a^-1,
a^-1*d*b*a*d^-1*b^-1*c^-1*b^-1,
d*c*d*b*a*d^-1*b^-1*a^-1,
b*a*b*d^-1*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*b*d^-1*a*d^-1,
b*a*c^-1*b^-1*a^-1*c*d*c,
c^-1*b^-1*c^-1*a^-1*d*c*a*d^-1,
c*a^-1*d*c*b*d*c*b*a^-1*d,
b^-1*a^-1*d^-1*c^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*b*a*d^-1*c^-1*a*d^-1*c^-1*b*a,
a*d^-1*c*b*a*c*b*a*d^-1*b,
a^-1*c^-1*b^-1*a^-1*d*b^-1*a^-1*d*c^-1*b^-1,
d*c*b^-1*a^-1*d*b^-1*a^-1*d*c*a^-1,
b*a*b*c*a*b*c*d*d*c,
c^-1*b^-1*a*d^-1*c^-1*a*d^-1*c^-1*b^-1*d^-1,
c*a^-1*d*c*b*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*b*a*d^-1*c^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*c*b*a*d^-1*b,
a^-1*c^-1*b^-1*a^-1*d*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*b^-1*a^-1*d*c*a^-1,
b*a*b*c*d*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*a*d^-1*c^-1*b^-1*d^-1,
c*d^-1*a*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*a*b*c^-1,
c*b*d^-1*c^-1*b^-1*c^-1*d,
b^-1*c*d*c*b*d^-1*c^-1,
d^-1*a^-1*b^-1*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*d*a^-1*b,
d^-1*c^-1*a^-1*d*c*d*a,
a*b^-1*c^-1*b^-1*a^-1*c*b,
a^-1*b*c*b*a*c^-1*b^-1,
d*c*a*d^-1*c^-1*d^-1*a^-1,
a^-1*d*b*a*d^-1*a*b^-1,
d*a*b*a*d^-1*b^-1*a^-1,
b*c^-1*d^-1*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*b*c*d^-1,
b*a*c^-1*b^-1*a^-1*b^-1*c,
c^-1*d*a^-1*d*c*a*d^-1,
c*b^-1*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*d*c^-1,
c*b*d^-1*c^-1*a*d,
b^-1*a*c*b*d^-1*c^-1,
d^-1*c*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*c^-1*b,
d^-1*c^-1*a^-1*d*b^-1*a,
a*d*b^-1*a^-1*c*b,
a^-1*d^-1*b*a*c^-1*b^-1,
d*c*a*d^-1*b*a^-1,
a^-1*d*b*a*c*b^-1,
d*c^-1*a*d^-1*b^-1*a^-1,
b*a^-1*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*a^-1*d^-1,
b*a*c^-1*b^-1*d^-1*c,
c^-1*b*d*c*a*d^-1,
c*d^-1*c^-1*a*b*d,
b^-1*d^-1*a*c*b*c^-1,
c*a^-1*b^-1*d^-1*c^-1*d,
b^-1*c*b*d*a^-1*c^-1,
d^-1*a^-1*d*b^-1*c^-1*a,
a*c*d*b^-1*a^-1*b,
d^-1*b*c*a^-1*d*a,
a*b^-1*a^-1*c^-1*d^-1*b,
c*d^-1*c^-1*d^-1*c^-1*d,
b^-1*c*b*c*b*c^-1,
d^-1*a^-1*d*a^-1*d*a,
a*b^-1*a^-1*b^-1*a^-1*b,
a^-1*b*a*b*a*b^-1,
d*a*d^-1*a*d^-1*a^-1,
b*c^-1*b^-1*c^-1*b^-1*c,
c^-1*d*c*d*c*d^-1,
c*d^-1*d^-1*c^-1*d,
b^-1*c*b*b*c^-1,
c*d^-1*c^-1*c^-1*d,
b^-1*c*c*b*c^-1,
d^-1*a^-1*a^-1*d*a,
a*b^-1*a^-1*a^-1*b,
d^-1*a^-1*d*d*a,
a*b^-1*b^-1*a^-1*b,
a^-1*b*b*a*b^-1,
d*a*d^-1*d^-1*a^-1,
a^-1*b*a*a*b^-1,
d*a*a*d^-1*a^-1,
b*c^-1*c^-1*b^-1*c,
c^-1*d*c*c*d^-1,
b*c^-1*b^-1*b^-1*c,
c^-1*d*d*c*d^-1,
c*b^-1*d^-1*b*d,
b^-1*d^-1*b*d*c^-1,
c*a^-1*c^-1*a*d,
b^-1*a*c*a^-1*c^-1,
d^-1*c*a^-1*c^-1*a,
a*c*a^-1*c^-1*b,
d^-1*b*d*b^-1*a,
a*d*b^-1*d^-1*b,
a^-1*d^-1*b*d*b^-1,
d*b^-1*d^-1*b*a^-1,
a^-1*c^-1*a*c*b^-1,
d*c^-1*a*c*a^-1,
b*a^-1*c^-1*a*c,
c^-1*a*c*a^-1*d^-1,
b*d*b^-1*d^-1*c,
c^-1*b*d*b^-1*d^-1,
c*d*a^-1*d*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1*c^-1,
c*a^-1*d*c*b*c*b*c*d,
b^-1*c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*a*b*a*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*a*d^-1*a*b,
d^-1*b*a*d^-1*c^-1*d^-1*c^-1*d^-1*a,
a*b*c*b*c*b*a*d^-1*b,
a^-1*b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*d*c*d*a^-1,
a^-1*c^-1*b^-1*a^-1*d*a^-1*d*a^-1*b^-1,
d*a^-1*b^-1*a^-1*b^-1*a^-1*d*c*a^-1,
b*c*d*c*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1*d^-1,
b*a*b*c*d*b*a*b*c,
c^-1*d^-1*a*d^-1*a*d^-1*c^-1*b^-1*d^-1,
c*a*b*a^-1*b^-1*d,
b^-1*d*a^-1*d^-1*a*c^-1,
d^-1*b^-1*c^-1*b*c*a,
a*c^-1*d^-1*c*d*b,
a^-1*c*d*c^-1*d^-1*b^-1,
d*b*c*b^-1*c^-1*a^-1,
b*d^-1*a*d*a^-1*c,
c^-1*a^-1*b^-1*a*b*d^-1,
b^-1*a^-1*d*c*d^-1*a*b*d,
b^-1*d^-1*a*b*c^-1*b^-1*a^-1*d,
c*a^-1*b^-1*c^-1*a*b*c*d,
a*d^-1*c^-1*b^-1*c*d*a^-1*c^-1,
c*b*a*d^-1*a^-1*b^-1*c^-1*a,
a*c*d*a^-1*b*a*d^-1*c^-1,
d^-1*b*c*d*a*d^-1*c^-1*b^-1,
a*b*c*d*b^-1*c^-1*d^-1*b,
d^-1*c^-1*b^-1*a^-1*b*c*d*b^-1,
d*b^-1*c^-1*d^-1*a^-1*d*c*b,
a^-1*c^-1*d^-1*a*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*a*b*c*a^-1,
a^-1*d*c*b*c^-1*d^-1*a*c,
c^-1*a*b*c*d^-1*c^-1*b^-1*a^-1,
b*d*a^-1*b^-1*c*b*a*d^-1,
b*a*d^-1*c^-1*d*a^-1*b^-1*d^-1,
c*d*a^-1*c^-1*d^-1*a*d,
b^-1*a*b*c*a^-1*b^-1*c^-1,
c*b^-1*c^-1*d^-1*b*c*d,
b^-1*c^-1*d^-1*b*c*d*c^-1,
d^-1*a*b*d*a^-1*b^-1*a,
a*d*a^-1*b^-1*d^-1*a*b,
d^-1*c*d*a^-1*c^-1*d^-1*a,
a*b*c*a^-1*b^-1*c^-1*b,
a^-1*b^-1*c^-1*a*b*c*b^-1,
d*c^-1*d^-1*a*c*d*a^-1,
a^-1*d^-1*a*b*d*a^-1*b^-1,
d*a^-1*b^-1*d^-1*a*b*a^-1,
b*c*d*b^-1*c^-1*d^-1*c,
c^-1*b*c*d*b^-1*c^-1*d^-1,
b*a^-1*b^-1*c^-1*a*b*c,
c^-1*d^-1*a*c*d*a^-1*d^-1,
c*d*c^-1*d^-1*c*d,
b^-1*c^-1*b*c*b^-1*c^-1,
d^-1*a*d*a^-1*d^-1*a,
a*b*a^-1*b^-1*a*b,
a^-1*b^-1*a*b*a^-1*b^-1,
d*a^-1*d^-1*a*d*a^-1,
b*c*b^-1*c^-1*b*c,
c^-1*d^-1*c*d*c^-1*d^-1,
b^-1*c^-1*a^-1*b*c*d,
b^-1*c^-1*d^-1*a^-1*c*d,
c*d*a^-1*b*d^-1*a,
a*b*d^-1*a^-1*b^-1*c^-1,
c*d*b*c^-1*d^-1*a,
a*b*c*d^-1*b^-1*c^-1,
d^-1*a*b*c^-1*a^-1*b^-1,
d*a^-1*c*d^-1*a*b,
d^-1*a*c^-1*d*a^-1*b^-1,
d*a^-1*b^-1*c*a*b,
a^-1*b^-1*c^-1*d*b*c,
c^-1*d^-1*b^-1*c*d*a^-1,
a^-1*b^-1*d*a*b*c,
c^-1*d^-1*a*b^-1*d*a^-1,
b*c*d*a*c^-1*d^-1,
b*c*a*b^-1*c^-1*d^-1,
b^-1*c^-1*a^-1*c*a,
a*c^-1*a^-1*c*d,
b^-1*d*b*d^-1*a,
a*b*d^-1*b^-1*d,
c*d*b*d^-1*b^-1,
d*b*d^-1*b^-1*c^-1,
c*a*c^-1*a^-1*b^-1,
d*a^-1*c*a*c^-1,
d^-1*a*c^-1*a^-1*c,
c^-1*a^-1*c*a*b,
d^-1*b^-1*d*b*c,
c^-1*d^-1*b^-1*d*b,
a^-1*b^-1*d*b*d^-1,
b*d^-1*b^-1*d*a^-1,
a^-1*c*a*c^-1*d^-1,
b*c*a*c^-1*a^-1,
a*d^-1*c^-1*b^-1*b^-1*a,
a*d*a*b*c*d,
b^-1*a^-1*d*c*c*b^-1,
d*c^-1*c^-1*b^-1*a^-1*d,
c*b*a*d^-1*d^-1*c,
c^-1*b*b*a*d^-1*c^-1,
d^-1*c^-1*b^-1*a^-1*a^-1*d^-1,
b*a^-1*a^-1*d*c*b,
a*d*a^-1*d^-1*a,
a*b*a^-1*b^-1*a,
b^-1*c^-1*b*c*b^-1,
d*c^-1*d^-1*c*d,
b^-1*a*b*a^-1*b^-1,
d*a^-1*d^-1*a*d,
c*d*c^-1*d^-1*c,
c^-1*b*c*b^-1*c^-1,
c*b^-1*c^-1*b*c,
c^-1*d^-1*c*d*c^-1,
d^-1*a*d*a^-1*d^-1,
b*a^-1*b^-1*a*b,
d^-1*c*d*c^-1*d^-1,
b*c*b^-1*c^-1*b,
a^-1*b^-1*a*b*a^-1,
a^-1*d^-1*a*d*a^-1,
c*b*d^-1*a*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*a*b*d^-1*c^-1,
c*b*d^-1*c^-1*b^-1*c^-1*a^-1*d,
b^-1*a^-1*c*d*c*b*d^-1*c^-1,
d^-1*c^-1*a^-1*b^-1*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*d*a^-1*c*b,
d^-1*c^-1*a^-1*d*c*d*b*a,
a*d^-1*b^-1*c^-1*b^-1*a^-1*c*b,
a^-1*d*b*c*b*a*c^-1*b^-1,
d*c*a*d^-1*c^-1*d^-1*b^-1*a^-1,
a^-1*d*b*a*d^-1*a*c^-1*b^-1,
d*c*a*b*a*d^-1*b^-1*a^-1,
b*a*c^-1*d^-1*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*b*c*a*d^-1,
b*a*c^-1*b^-1*a^-1*b^-1*d*c,
c^-1*b^-1*d*a^-1*d*c*a*d^-1,
c*b^-1*a^-1*c^-1*a^-1*d,
b^-1*a^-1*c*a^-1*d*c^-1,
c*b*d^-1*b*a*d,
b^-1*a*d^-1*b*d^-1*c^-1,
d^-1*c*b*d*b*a,
a*d^-1*b^-1*d^-1*c^-1*b,
d^-1*c^-1*a^-1*c^-1*b^-1*a,
a*d*c*a^-1*c*b,
a^-1*d^-1*c^-1*a*c^-1*b^-1,
d*c*a*c*b*a^-1,
a^-1*d*b*d*c*b^-1,
d*c^-1*b^-1*d^-1*b^-1*a^-1,
b*a^-1*d*b^-1*d*c,
c^-1*b^-1*d*b^-1*a^-1*d^-1,
b*a*c^-1*a*d^-1*c,
c^-1*b*a*c*a*d^-1,
c*d*a^-1*b*a*d^-1*c^-1*d,
b^-1*c*b*a*d^-1*a^-1*b^-1*c^-1,
c*d^-1*c^-1*b^-1*a^-1*b*c*d,
b^-1*c^-1*d^-1*a^-1*d*c*b*c^-1,
d^-1*a*b*c^-1*b^-1*a^-1*d*a,
a*b^-1*a^-1*d*c*d^-1*a*b,
d^-1*a^-1*d*c*b*c^-1*d^-1*a,
a*b*c*d^-1*c^-1*b^-1*a^-1*b,
a^-1*b^-1*c^-1*a*b*c*d*b^-1,
d*a*d^-1*c^-1*b^-1*c*d*a^-1,
a^-1*b*a*d^-1*c^-1*d*a^-1*b^-1,
d*a^-1*b^-1*c*b*a*d^-1*a^-1,
b*c*d*a*d^-1*c^-1*b^-1*c,
c^-1*a*b*c*d*b^-1*c^-1*d^-1,
b*c^-1*b^-1*a^-1*d*a*b*c,
c^-1*d^-1*a*b^-1*a^-1*d*c*d^-1,
b^-1*d*a^-1*b*c*d,
b^-1*c^-1*d^-1*a^-1*b^-1*d,
c*d*a^-1*b*c*a,
a*c^-1*d^-1*a^-1*b^-1*c^-1,
c*a*b*c^-1*d^-1*a,
a*b*c*d^-1*a*c^-1,
d^-1*a*b*c^-1*d^-1*b^-1,
d*b*c*d^-1*a*b,
d^-1*b^-1*c^-1*d*a^-1*b^-1,
d*a^-1*b^-1*c*d*b,
a^-1*b^-1*c^-1*d*a^-1*c,
c^-1*a^-1*b^-1*c*d*a^-1,
a^-1*c*d*a*b*c,
c^-1*d^-1*a*b^-1*c^-1*a^-1,
b*c*d*a*b*d^-1,
b*d^-1*a*b^-1*c^-1*d^-1,
c*b*a^-1*d*a^-1*a^-1*d,
b^-1*a^-1*a^-1*b^-1*a^-1*d^-1*c^-1,
c*b*b*c*b*a^-1*d,
b^-1*a^-1*d^-1*c^-1*d^-1*d^-1*c^-1,
d^-1*c^-1*b*a*b*b*a,
a*d^-1*d^-1*a*d^-1*c*b,
d^-1*c^-1*c^-1*d^-1*c^-1*b*a,
a*d^-1*c*b*c*c*b,
a^-1*d*c^-1*b^-1*c^-1*c^-1*b^-1,
d*c*c*d*c*b^-1*a^-1,
a^-1*d*d*a^-1*d*c^-1*b^-1,
d*c*b^-1*a^-1*b^-1*b^-1*a^-1,
b*a*d*c*d*d*c,
c^-1*b^-1*b^-1*c^-1*b^-1*a*d^-1,
b*a*a*b*a*d*c,
c^-1*b^-1*a*d^-1*a*a*d^-1,
c*b*c*a^-1*c*a^-1*d,
b^-1*a^-1*c^-1*a^-1*c^-1*d^-1*c^-1,
c*b*d*b*d*a^-1*d,
b^-1*a^-1*b^-1*d^-1*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*b*d^-1*b*a,
a*d^-1*b*d^-1*b*c*b,
d^-1*c^-1*a*c^-1*a*b*a,
a*d^-1*a*c*a*c*b,
a^-1*d*a^-1*c^-1*a^-1*c^-1*b^-1,
d*c*a^-1*c*a^-1*b^-1*a^-1,
a^-1*d*b^-1*d*b^-1*c^-1*b^-1,
d*c*d*b^-1*d*b^-1*a^-1,
b*a*b*d*b*d*c,
c^-1*b^-1*d^-1*b^-1*d^-1*a*d^-1,
b*a*c*a*c*d*c,
c^-1*b^-1*c^-1*a*c^-1*a*d^-1,
c*b*d^-1*a^-1*a^-1*d,
b^-1*a^-1*a^-1*b*d^-1*c^-1,
c*b*b*c^-1*a^-1*d,
b^-1*a^-1*c*d^-1*d^-1*c^-1,
d^-1*c^-1*a^-1*b*b*a,
a*d^-1*d^-1*a^-1*c*b,
d^-1*c^-1*c^-1*d*b*a,
a*d^-1*b^-1*c*c*b,
a^-1*d*b*c^-1*c^-1*b^-1,
d*c*c*d^-1*b^-1*a^-1,
a^-1*d*d*a*c^-1*b^-1,
d*c*a*b^-1*b^-1*a^-1,
b*a*c^-1*d*d*c,
c^-1*b^-1*b^-1*c*a*d^-1,
b*a*a*b^-1*d*c,
c^-1*b^-1*d*a*a*d^-1,
c*b*c*b*d^-1*a^-1*d,
b^-1*a^-1*b*d^-1*c^-1*d^-1*c^-1,
c*b*c^-1*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*c*d^-1*c^-1,
d^-1*c^-1*d^-1*c^-1*a^-1*b*a,
a*d^-1*a^-1*c*b*c*b,
d^-1*c^-1*d*b*a*b*a,
a*d^-1*a*d^-1*b^-1*c*b,
a^-1*d*a^-1*d*b*c^-1*b^-1,
d*c*d^-1*b^-1*a^-1*b^-1*a^-1,
a^-1*d*a*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*a*b^-1*a^-1,
b*a*b*a*c^-1*d*c,
c^-1*b^-1*c*a*d^-1*a*d^-1,
b*a*b^-1*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*d*a*d^-1,
c*a^-1*d*a^-1*c*a^-1*d,
b^-1*a^-1*c^-1*a^-1*b^-1*a^-1*c^-1,
c*b*d*b*c*b*d,
b^-1*d^-1*c^-1*d^-1*b^-1*d^-1*c^-1,
d^-1*b*a*b*d^-1*b*a,
a*d^-1*b*d^-1*a*d^-1*b,
d^-1*c^-1*a*c^-1*d^-1*c^-1*a,
a*c*b*c*a*c*b,
a^-1*c^-1*b^-1*c^-1*a^-1*c^-1*b^-1,
d*c*a^-1*c*d*c*a^-1,
a^-1*d*b^-1*d*a^-1*d*b^-1,
d*b^-1*a^-1*b^-1*d*b^-1*a^-1,
b*d*c*d*b*d*c,
c^-1*b^-1*d^-1*b^-1*c^-1*b^-1*d^-1,
b*a*c*a*b*a*c,
c^-1*a*d^-1*a*c^-1*a*d^-1,
c*a^-1*d*c*d*a^-1*a^-1*d,
b^-1*a^-1*a^-1*b^-1*c^-1*b^-1*a^-1*c^-1,
c*b*b*c*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*c^-1*d^-1*d^-1*c^-1,
d^-1*b*a*d^-1*a*b*b*a,
a*d^-1*d^-1*a*b*a*d^-1*b,
d^-1*c^-1*c^-1*d^-1*a*d^-1*c^-1*a,
a*c*b*a*b*c*c*b,
a^-1*c^-1*b^-1*a^-1*b^-1*c^-1*c^-1*b^-1,
d*c*c*d*a^-1*d*c*a^-1,
a^-1*d*d*a^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*a^-1*b^-1*b^-1*a^-1,
b*d*c*b*c*d*d*c,
c^-1*b^-1*b^-1*c^-1*d^-1*c^-1*b^-1*d^-1,
b*a*a*b*c*b*a*c,
c^-1*a*d^-1*c^-1*d^-1*a*a*d^-1,
c*c*d*a^-1*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*a^-1*b^-1*c^-1*c^-1,
c*b*c*d*b*c*d*d,
b^-1*b^-1*c^-1*d^-1*b^-1*c^-1*d^-1*c^-1,
d^-1*d^-1*a*b*d^-1*a*b*a,
a*d^-1*a*b*d^-1*a*b*b,
d^-1*c^-1*d^-1*a*c^-1*d^-1*a*a,
a*a*b*c*a*b*c*b,
a^-1*a^-1*b^-1*c^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*c*d*a^-1*a^-1,
a^-1*d*a^-1*b^-1*d*a^-1*b^-1*b^-1,
d*d*a^-1*b^-1*d*a^-1*b^-1*a^-1,
b*b*c*d*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*b^-1*c^-1*d^-1*d^-1,
b*a*b*c*a*b*c*c,
c^-1*c^-1*d^-1*a*c^-1*d^-1*a*d^-1,
c*d*b*c*d*b*d,
b^-1*d^-1*b^-1*c^-1*d^-1*b^-1*c^-1,
c*a^-1*c*d*a^-1*c*d,
b^-1*c^-1*a^-1*b^-1*c^-1*a^-1*c^-1,
d^-1*a*c^-1*d^-1*a*c^-1*a,
a*c*a*b*c*a*b,
d^-1*b*d^-1*a*b*d^-1*a,
a*b*d^-1*a*b*d^-1*b,
a^-1*b^-1*d*a^-1*b^-1*d*b^-1,
d*b^-1*d*a^-1*b^-1*d*a^-1,
a^-1*c^-1*a^-1*b^-1*c^-1*a^-1*b^-1,
d*a^-1*c*d*a^-1*c*a^-1,
b*c*a*b*c*a*c,
c^-1*a*c^-1*d^-1*a*c^-1*d^-1,
b*d*b*c*d*b*c,
c^-1*d^-1*b^-1*c^-1*d^-1*b^-1*d^-1,
b^-1*a^-1*d*c*a*c*d,
b^-1*c^-1*a*c^-1*b^-1*a^-1*d,
c*d*b^-1*a*b*c*d,
a*d^-1*c^-1*b^-1*d*b^-1*c^-1,
c*b*a*d^-1*b^-1*d^-1*a,
a*b*d*b*a*d^-1*c^-1,
d^-1*a*c*a*d^-1*c^-1*b^-1,
a*b*c*d*c^-1*a*b,
d^-1*c^-1*b^-1*a^-1*c*a^-1*b^-1,
d*a^-1*c^-1*a^-1*d*c*b,
a^-1*b^-1*d^-1*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*b*d*a^-1,
a^-1*d*c*b*d^-1*b*c,
c^-1*d^-1*b*d^-1*c^-1*b^-1*a^-1,
b*c*a^-1*c*b*a*d^-1,
b*a*d^-1*c^-1*a^-1*c^-1*d^-1,
b^-1*a*a*b*c*d,
a*d^-1*c^-1*b^-1*a*d,
b^-1*a^-1*d*c*b^-1*a,
a*d*c^-1*b^-1*a^-1*d,
c*b^-1*a*d^-1*c^-1*b^-1,
a*b*c*d*d*c^-1,
c*b*a*d^-1*c*b^-1,
d*c^-1*b*a*d^-1*c^-1,
d^-1*c*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*c^-1*b,
d^-1*c^-1*b^-1*a^-1*d^-1*c,
c^-1*b*a^-1*d*c*b,
a^-1*d^-1*c*b*a*d^-1,
b*a*d^-1*c^-1*b*a^-1,
a^-1*d*c*b*a^-1*d^-1,
b*a^-1*d^-1*c^-1*b^-1*a^-1,
c*b*d^-1*d^-1*a^-1*d,
b^-1*a^-1*b*b*d^-1*c^-1,
c*b*c^-1*c^-1*a^-1*d,
b^-1*a^-1*c*c*d^-1*c^-1,
d^-1*c^-1*a^-1*a^-1*b*a,
a*d^-1*a^-1*a^-1*c*b,
d^-1*c^-1*d*d*b*a,
a*d^-1*b^-1*b^-1*c*b,
a^-1*d*b*b*c^-1*b^-1,
d*c*d^-1*d^-1*b^-1*a^-1,
a^-1*d*a*a*c^-1*b^-1,
d*c*a*a*b^-1*a^-1,
b*a*c^-1*c^-1*d*c,
c^-1*b^-1*c*c*a*d^-1,
b*a*b^-1*b^-1*d*c,
c^-1*b^-1*d*d*a*d^-1,
c*b*c*d*d*c*a^-1*d,
b^-1*a^-1*c^-1*b^-1*b^-1*c^-1*d^-1*c^-1,
c*b*d*c*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*c^-1*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*a*a*d^-1*b*a,
a*d^-1*b*a*a*b*c*b,
d^-1*c^-1*a*d^-1*d^-1*a*b*a,
a*d^-1*a*b*b*a*c*b,
a^-1*d*a^-1*b^-1*b^-1*a^-1*c^-1*b^-1,
d*c*a^-1*d*d*a^-1*b^-1*a^-1,
a^-1*d*b^-1*a^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*a^-1*d*b^-1*a^-1,
b*a*b*c*c*b*d*c,
c^-1*b^-1*d^-1*c^-1*c^-1*d^-1*a*d^-1,
b*a*c*b*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*d^-1*c^-1*a*d^-1,
c*b*d^-1*c^-1*d^-1*a^-1*d,
b^-1*a^-1*b*c*b*d^-1*c^-1,
c*b*c^-1*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*c*d^-1*c^-1,
d^-1*c^-1*a^-1*d*a^-1*b*a,
a*d^-1*a^-1*b^-1*a^-1*c*b,
d^-1*c^-1*d*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*b^-1*c*b,
a^-1*d*b*a*b*c^-1*b^-1,
d*c*d^-1*a*d^-1*b^-1*a^-1,
a^-1*d*a*b*a*c^-1*b^-1,
d*c*a*d^-1*a*b^-1*a^-1,
b*a*c^-1*b^-1*c^-1*d*c,
c^-1*b^-1*c*d*c*a*d^-1,
b*a*b^-1*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*d*a*d^-1,
c*b*c*a*c*a^-1*d,
b^-1*a^-1*c^-1*a*c^-1*d^-1*c^-1,
c*b*d*b^-1*d*a^-1*d,
b^-1*a^-1*b^-1*d*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*b^-1*d^-1*b*a,
a*d^-1*b*d*b*c*b,
d^-1*c^-1*a*c*a*b*a,
a*d^-1*a*c^-1*a*c*b,
a^-1*d*a^-1*c*a^-1*c^-1*b^-1,
d*c*a^-1*c^-1*a^-1*b^-1*a^-1,
a^-1*d*b^-1*d^-1*b^-1*c^-1*b^-1,
d*c*d*b*d*b^-1*a^-1,
b*a*b*d^-1*b*d*c,
c^-1*b^-1*d^-1*b*d^-1*a*d^-1,
b*a*c*a^-1*c*d*c,
c^-1*b^-1*c^-1*a^-1*c^-1*a*d^-1,
c*d^-1*c^-1*d*a^-1*d,
b^-1*a^-1*b^-1*c*b*c^-1,
c*b*c*d^-1*c^-1*d,
b^-1*c*b*c^-1*d^-1*c^-1,
d^-1*a^-1*d*a*b*a,
a*d^-1*a*b^-1*a^-1*b,
d^-1*c^-1*d^-1*a^-1*d*a,
a*b^-1*a^-1*b*c*b,
a^-1*b*a*b^-1*c^-1*b^-1,
d*c*d*a*d^-1*a^-1,
a^-1*d*a^-1*b*a*b^-1,
d*a*d^-1*a^-1*b^-1*a^-1,
b*c^-1*b^-1*c*d*c,
c^-1*b^-1*c^-1*d*c*d^-1,
b*a*b*c^-1*b^-1*c,
c^-1*d*c*d^-1*a*d^-1,
c*d^-1*c^-1*b*d,
b^-1*d^-1*c*b*c^-1,
c*a^-1*d^-1*c^-1*d,
b^-1*c*b*a^-1*c^-1,
d^-1*a^-1*d*c^-1*a,
a*c*b^-1*a^-1*b,
d^-1*b*a^-1*d*a,
a*b^-1*a^-1*d^-1*b,
a^-1*b*a*d*b^-1,
d*b^-1*a*d^-1*a^-1,
a^-1*c^-1*b*a*b^-1,
d*a*d^-1*c*a^-1,
b*c^-1*b^-1*a*c,
c^-1*a*d*c*d^-1,
b*d*c^-1*b^-1*c,
c^-1*d*c*b^-1*d^-1,
c*d*a^-1*d^-1*a*d,
b^-1*a*b*a^-1*b^-1*c^-1,
c*b^-1*c^-1*b*c*d,
b^-1*c^-1*d^-1*c*d*c^-1,
d^-1*a*b*a^-1*b^-1*a,
a*d*a^-1*d^-1*a*b,
d^-1*c*d*c^-1*d^-1*a,
a*b*c*b^-1*c^-1*b,
a^-1*b^-1*c^-1*b*c*b^-1,
d*c^-1*d^-1*c*d*a^-1,
a^-1*d^-1*a*d*a^-1*b^-1,
d*a^-1*b^-1*a*b*a^-1,
b*c*d*c^-1*d^-1*c,
c^-1*b*c*b^-1*c^-1*d^-1,
b*a^-1*b^-1*a*b*c,
c^-1*d^-1*a*d*a^-1*d^-1,
b^-1*c^-1*b*c*a,
a*c^-1*d^-1*c*d,
b^-1*d*a^-1*d^-1*a,
a*b*a^-1*b^-1*d,
c*d*c^-1*d^-1*b^-1,
d*b*c*b^-1*c^-1,
c*a*b*a^-1*b^-1,
d*a^-1*d^-1*a*c^-1,
d^-1*a*d*a^-1*c,
c^-1*a^-1*b^-1*a*b,
d^-1*b^-1*c^-1*b*c,
c^-1*d^-1*c*d*b,
a^-1*b^-1*a*b*d^-1,
b*d^-1*a*d*a^-1,
a^-1*c*d*c^-1*d^-1,
b*c*b^-1*c^-1*a^-1,
c*b*d^-1*b*a^-1*d,
b^-1*a^-1*d^-1*b*d^-1*c^-1,
c*b*a^-1*c^-1*a^-1*d,
b^-1*a^-1*c*a^-1*d^-1*c^-1,
d^-1*c^-1*a^-1*c^-1*b*a,
a*d^-1*c*a^-1*c*b,
d^-1*c^-1*b*d*b*a,
a*d^-1*b^-1*d^-1*c*b,
a^-1*d*b*d*c^-1*b^-1,
d*c*b^-1*d^-1*b^-1*a^-1,
a^-1*d*c^-1*a*c^-1*b^-1,
d*c*a*c*b^-1*a^-1,
b*a*c^-1*a*d*c,
c^-1*b^-1*a*c*a*d^-1,
b*a*d*b^-1*d*c,
c^-1*b^-1*d*b^-1*a*d^-1,
c*b*c*d*c*b*a^-1*d,
b^-1*a^-1*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1,
c*b*a^-1*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*a*d^-1*c^-1*b*a,
a*d^-1*c*b*a*b*c*b,
d^-1*c^-1*b*a*d^-1*a*b*a,
a*d^-1*a*b*a*d^-1*c*b,
a^-1*d*a^-1*b^-1*a^-1*d*c^-1*b^-1,
d*c*b^-1*a^-1*d*a^-1*b^-1*a^-1,
a^-1*d*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*c*b^-1*a^-1,
b*a*b*c*b*a*d*c,
c^-1*b^-1*a*d^-1*c^-1*d^-1*a*d^-1,
b*a*d*c*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*a*d^-1,
c*d*a^-1*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*a^-1*b^-1*c^-1,
c*a^-1*d*c*b*b*c*d,
b^-1*c^-1*d^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
d^-1*a*b*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*d^-1*a*b,
d^-1*b*a*d^-1*c^-1*c^-1*d^-1*a,
a*b*c*c*b*a*d^-1*b,
a^-1*b^-1*c^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*c*d*a^-1,
a^-1*c^-1*b^-1*a^-1*d*d*a^-1*b^-1,
d*a^-1*b^-1*b^-1*a^-1*d*c*a^-1,
b*c*d*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*b^-1*c^-1*d^-1,
b*a*b*c*d*a*b*c,
c^-1*d^-1*a*a*d^-1*c^-1*b^-1*d^-1,
b^-1*d*a*b*c*d,
a*d^-1*c^-1*b^-1*b^-1*d,
b^-1*a^-1*d*c*c*a,
a*c^-1*c^-1*b^-1*a^-1*d,
c*a*a*d^-1*c^-1*b^-1,
a*b*c*d*a*c^-1,
c*b*a*d^-1*d^-1*b^-1,
d*b*b*a*d^-1*c^-1,
d^-1*b^-1*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*d*b,
d^-1*c^-1*b^-1*a^-1*a^-1*c,
c^-1*a^-1*a^-1*d*c*b,
a^-1*c*c*b*a*d^-1,
b*a*d^-1*c^-1*c^-1*a^-1,
a^-1*d*c*b*b*d^-1,
b*d^-1*d^-1*c^-1*b^-1*a^-1,
c*b*c*a*d^-1*a^-1*d,
b^-1*a^-1*b*a*c^-1*d^-1*c^-1,
c*b*c^-1*b^-1*d*a^-1*d,
b^-1*a^-1*b^-1*d*c*d^-1*c^-1,
d^-1*c^-1*d^-1*b^-1*a^-1*b*a,
a*d^-1*a^-1*d*b*c*b,
d^-1*c^-1*d*c*a*b*a,
a*d^-1*a*c^-1*b^-1*c*b,
a^-1*d*a^-1*c*b*c^-1*b^-1,
d*c*d^-1*c^-1*a^-1*b^-1*a^-1,
a^-1*d*a*d^-1*b^-1*c^-1*b^-1,
d*c*d*b*a*b^-1*a^-1,
b*a*b*d^-1*c^-1*d*c,
c^-1*b^-1*c*b*d^-1*a*d^-1,
b*a*b^-1*a^-1*c*d*c,
c^-1*b^-1*c^-1*a^-1*d*a*d^-1,
c*d^-1*c^-1*d^-1*a^-1*d,
b^-1*a^-1*b*c*b*c^-1,
c*b*c^-1*d^-1*c^-1*d,
b^-1*c*b*c*d^-1*c^-1,
d^-1*a^-1*d*a^-1*b*a,
a*d^-1*a^-1*b^-1*a^-1*b,
d^-1*c^-1*d*a^-1*d*a,
a*b^-1*a^-1*b^-1*c*b,
a^-1*b*a*b*c^-1*b^-1,
d*c*d^-1*a*d^-1*a^-1,
a^-1*d*a*b*a*b^-1,
d*a*d^-1*a*b^-1*a^-1,
b*c^-1*b^-1*c^-1*d*c,
c^-1*b^-1*c*d*c*d^-1,
b*a*b^-1*c^-1*b^-1*c,
c^-1*d*c*d*a*d^-1,
c*c*b*d*a^-1*d,
b^-1*a^-1*b^-1*d^-1*c^-1*c^-1,
c*b*c*a^-1*d*d,
b^-1*b^-1*a^-1*c^-1*d^-1*c^-1,
d^-1*d^-1*c^-1*a*b*a,
a*d^-1*a*c*b*b,
d^-1*c^-1*d^-1*b*a*a,
a*a*d^-1*b*c*b,
a^-1*a^-1*d*b^-1*c^-1*b^-1,
d*c*d*b^-1*a^-1*a^-1,
a^-1*d*a^-1*c^-1*b^-1*b^-1,
d*d*c*a^-1*b^-1*a^-1,
b*b*a*c*d*c,
c^-1*b^-1*c^-1*a*d^-1*d^-1,
b*a*b*d*c*c,
c^-1*c^-1*b^-1*d^-1*a*d^-1,
c*d^-1*c*b*d,
b^-1*d^-1*c^-1*b*c^-1,
c*a^-1*d*c^-1*d,
b^-1*c*b^-1*a^-1*c^-1,
d^-1*a^-1*d^-1*c^-1*a,
a*c*b*a^-1*b,
d^-1*b*a*d*a,
a*b^-1*a*d^-1*b,
a^-1*b*a^-1*d*b^-1,
d*b^-1*a^-1*d^-1*a^-1,
a^-1*c^-1*b^-1*a*b^-1,
d*a*d*c*a^-1,
b*c^-1*b*a*c,
c^-1*a*d^-1*c*d^-1,
b*d*c*b^-1*c,
c^-1*d*c^-1*b^-1*d^-1,
c*d*c^-1*d^-1*a*d,
b^-1*a*b*c*b^-1*c^-1,
c*b^-1*c^-1*d^-1*c*d,
b^-1*c^-1*b*c*d*c^-1,
d^-1*a*d*a^-1*b^-1*a,
a*d*a^-1*b^-1*a*b,
d^-1*c*d*a^-1*d^-1*a,
a*b*a^-1*b^-1*c^-1*b,
a^-1*b^-1*a*b*c*b^-1,
d*c^-1*d^-1*a*d*a^-1,
a^-1*d^-1*a*b*a^-1*b^-1,
d*a^-1*d^-1*a*b*a^-1,
b*c*b^-1*c^-1*d^-1*c,
c^-1*b*c*d*c^-1*d^-1,
b*a^-1*b^-1*c^-1*b*c,
c^-1*d^-1*c*d*a^-1*d^-1,
b^-1*a^-1*d*c*a*b*d,
b^-1*d^-1*a*c^-1*b^-1*a^-1*d,
c*a^-1*b^-1*a*b*c*d,
a*d^-1*c^-1*b^-1*d*a^-1*c^-1,
c*b*a*d^-1*b^-1*c^-1*a,
a*c*d*b*a*d^-1*c^-1,
d^-1*b*c*a*d^-1*c^-1*b^-1,
a*b*c*d*c^-1*d^-1*b,
d^-1*c^-1*b^-1*a^-1*c*d*b^-1,
d*b^-1*c^-1*a^-1*d*c*b,
a^-1*c^-1*d^-1*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*b*c*a^-1,
a^-1*d*c*b*d^-1*a*c,
c^-1*a*b*d^-1*c^-1*b^-1*a^-1,
b*d*a^-1*c*b*a*d^-1,
b*a*d^-1*c^-1*a^-1*b^-1*d^-1,
c*d*a^-1*a^-1*b^-1*d,
b^-1*d*a^-1*a^-1*b^-1*c^-1,
c*a*b*b*c*d,
b^-1*c^-1*d^-1*d^-1*a*c^-1,
d^-1*a*b*b*c*a,
a*c^-1*d^-1*d^-1*a*b,
d^-1*b^-1*c^-1*c^-1*d^-1*a,
a*b*c*c*d*b,
a^-1*b^-1*c^-1*c^-1*d^-1*b^-1,
d*b*c*c*d*a^-1,
a^-1*c*d*d*a^-1*b^-1,
d*a^-1*b^-1*b^-1*c^-1*a^-1,
b*c*d*d*a^-1*c,
c^-1*a^-1*b^-1*b^-1*c^-1*d^-1,
b*d^-1*a*a*b*c,
c^-1*d^-1*a*a*b*d^-1,
b^-1*c^-1*a^-1*b^-1*a,
a*d*a^-1*c*d,
b^-1*a*b*d^-1*a,
a*b*d^-1*a*d,
c*d*b*c*b^-1,
d*c^-1*d^-1*b^-1*c^-1,
c*b^-1*c^-1*a^-1*b^-1,
d*a^-1*c*d*c^-1,
d^-1*a*c^-1*d^-1*c,
c^-1*b*c*a*b,
d^-1*c*d*b*c,
c^-1*d^-1*b^-1*c^-1*b,
a^-1*b^-1*d*a^-1*d^-1,
b*a^-1*b^-1*d*a^-1,
a^-1*d^-1*a*c^-1*d^-1,
b*c*a*b*a^-1,
c*b*d^-1*a*d^-1*a^-1*d,
b^-1*a^-1*b*a*b*d^-1*c^-1,
c*b*c^-1*b^-1*c^-1*a^-1*d,
b^-1*a^-1*c*d*c*d^-1*c^-1,
d^-1*c^-1*a^-1*b^-1*a^-1*b*a,
a*d^-1*a^-1*d*a^-1*c*b,
d^-1*c^-1*d*c*d*b*a,
a*d^-1*b^-1*c^-1*b^-1*c*b,
a^-1*d*b*c*b*c^-1*b^-1,
d*c*d^-1*c^-1*d^-1*b^-1*a^-1,
a^-1*d*a*d^-1*a*c^-1*b^-1,
d*c*a*b*a*b^-1*a^-1,
b*a*c^-1*d^-1*c^-1*d*c,
c^-1*b^-1*c*b*c*a*d^-1,
b*a*b^-1*a^-1*b^-1*d*c,
c^-1*b^-1*d*a^-1*d*a*d^-1,
c*b*c*d^-1*a^-1*d,
b^-1*a^-1*b*c^-1*d^-1*c^-1,
c*b*c^-1*d*a^-1*d,
b^-1*a^-1*b^-1*c*d^-1*c^-1,
d^-1*c^-1*d^-1*a^-1*b*a,
a*d^-1*a^-1*b*c*b,
d^-1*c^-1*d*a*b*a,
a*d^-1*a*b^-1*c*b,
a^-1*d*a^-1*b*c^-1*b^-1,
d*c*d^-1*a^-1*b^-1*a^-1,
a^-1*d*a*b^-1*c^-1*b^-1,
d*c*d*a*b^-1*a^-1,
b*a*b*c^-1*d*c,
c^-1*b^-1*c*d^-1*a*d^-1,
b*a*b^-1*c*d*c,
c^-1*b^-1*c^-1*d*a*d^-1,
c*b*c*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*c^-1*d^-1*c^-1,
c*b*c*b*d*a^-1*d,
b^-1*a^-1*b^-1*d^-1*c^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*b*a*b*a,
a*d^-1*a*d^-1*b*c*b,
d^-1*c^-1*d^-1*c^-1*a*b*a,
a*d^-1*a*c*b*c*b,
a^-1*d*a^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*a^-1*b^-1*a^-1,
a^-1*d*a^-1*d*b^-1*c^-1*b^-1,
d*c*d*b^-1*a^-1*b^-1*a^-1,
b*a*b*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*d^-1*a*d^-1,
b*a*b*a*c*d*c,
c^-1*b^-1*c^-1*a*d^-1*a*d^-1,
c*a^-1*d^-1*a^-1*d,
b^-1*a^-1*b*a^-1*c^-1,
c*b*c^-1*b*d,
b^-1*d^-1*c*d^-1*c^-1,
d^-1*b*a^-1*b*a,
a*d^-1*a^-1*d^-1*b,
d^-1*c^-1*d*c^-1*a,
a*c*b^-1*c*b,
a^-1*c^-1*b*c^-1*b^-1,
d*c*d^-1*c*a^-1,
a^-1*d*a*d*b^-1,
d*b^-1*a*b^-1*a^-1,
b*d*c^-1*d*c,
c^-1*b^-1*c*b^-1*d^-1,
b*a*b^-1*a*c,
c^-1*a*d*a*d^-1,
c*a^-1*d*d*a^-1*d,
b^-1*a^-1*b^-1*b^-1*a^-1*c^-1,
c*b*c*c*b*d,
b^-1*d^-1*c^-1*c^-1*d^-1*c^-1,
d^-1*b*a*a*b*a,
a*d^-1*a*a*d^-1*b,
d^-1*c^-1*d^-1*d^-1*c^-1*a,
a*c*b*b*c*b,
a^-1*c^-1*b^-1*b^-1*c^-1*b^-1,
d*c*d*d*c*a^-1,
a^-1*d*a^-1*a^-1*d*b^-1,
d*b^-1*a^-1*a^-1*b^-1*a^-1,
b*d*c*c*d*c,
c^-1*b^-1*c^-1*c^-1*b^-1*d^-1,
b*a*b*b*a*c,
c^-1*a*d^-1*d^-1*a*d^-1,
c*d*a^-1*c*d*d,
b^-1*b^-1*c^-1*a^-1*b^-1*c^-1,
c*c*d*b*c*d,
b^-1*c^-1*d^-1*b^-1*c^-1*c^-1,
d^-1*a*b*d^-1*a*a,
a*a*b*d^-1*a*b,
d^-1*d^-1*a*c^-1*d^-1*a,
a*b*c*a*b*b,
a^-1*b^-1*c^-1*a^-1*b^-1*b^-1,
d*d*a^-1*c*d*a^-1,
a^-1*a^-1*b^-1*d*a^-1*b^-1,
d*a^-1*b^-1*d*a^-1*a^-1,
b*c*d*b*c*c,
c^-1*c^-1*d^-1*b^-1*c^-1*d^-1,
b*b*c*a*b*c,
c^-1*d^-1*a*c^-1*d^-1*d^-1,
b^-1*a^-1*d*c*a*d,
b^-1*a*c^-1*b^-1*a^-1*d,
c*b^-1*a*b*c*d,
a*d^-1*c^-1*b^-1*d*c^-1,
c*b*a*d^-1*b^-1*a,
a*d*b*a*d^-1*c^-1,
d^-1*c*a*d^-1*c^-1*b^-1,
a*b*c*d*c^-1*b,
d^-1*c^-1*b^-1*a^-1*c*b^-1,
d*c^-1*a^-1*d*c*b,
a^-1*d^-1*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*b*a^-1,
a^-1*d*c*b*d^-1*c,
c^-1*b*d^-1*c^-1*b^-1*a^-1,
b*a^-1*c*b*a*d^-1,
b*a*d^-1*c^-1*a^-1*d^-1,
b^-1*a^-1*d*c*a^-1*b^-1*d,
b^-1*d*a^-1*c^-1*b^-1*a^-1*d,
c*a*b*a*b*c*d,
a*d^-1*c^-1*b^-1*d^-1*a*c^-1,
c*b*a*d^-1*b*c*a,
a*c^-1*d^-1*b*a*d^-1*c^-1,
d^-1*b^-1*c^-1*a*d^-1*c^-1*b^-1,
a*b*c*d*c*d*b,
d^-1*c^-1*b^-1*a^-1*c^-1*d^-1*b^-1,
d*b*c*a^-1*d*c*b,
a^-1*c*d*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*b^-1*c^-1*a^-1,
a^-1*d*c*b*d*a^-1*c,
c^-1*a^-1*b^-1*d^-1*c^-1*b^-1*a^-1,
b*d^-1*a*c*b*a*d^-1,
b*a*d^-1*c^-1*a*b*d^-1,
b^-1*d*a^-1*b^-1*a,
a*d*a^-1*b^-1*d,
b^-1*a*b*c*a,
a*c^-1*d^-1*a*d,
c*a*b*c*b^-1,
d*c^-1*d^-1*a*c^-1,
c*b^-1*c^-1*d^-1*b^-1,
d*b*c*d*c^-1,
d^-1*b^-1*c^-1*d^-1*c,
c^-1*b*c*d*b,
d^-1*c*d*a^-1*c,
c^-1*a^-1*b^-1*c^-1*b,
a^-1*c*d*a^-1*d^-1,
b*a^-1*b^-1*c^-1*a^-1,
a^-1*d^-1*a*b*d^-1,
b*d^-1*a*b*a^-1,
c*b*c*a^-1*a^-1*d,
b^-1*a^-1*a^-1*c^-1*d^-1*c^-1,
c*b*b*d*a^-1*d,
b^-1*a^-1*b^-1*d^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*b*b*a,
a*d^-1*d^-1*b*c*b,
d^-1*c^-1*c^-1*a*b*a,
a*d^-1*a*c*c*b,
a^-1*d*a^-1*c^-1*c^-1*b^-1,
d*c*c*a^-1*b^-1*a^-1,
a^-1*d*d*b^-1*c^-1*b^-1,
d*c*d*b^-1*b^-1*a^-1,
b*a*b*d*d*c,
c^-1*b^-1*b^-1*d^-1*a*d^-1,
b*a*a*c*d*c,
c^-1*b^-1*c^-1*a*a*d^-1,
c*a^-1*d*a^-1*a^-1*d,
b^-1*a^-1*a^-1*b^-1*a^-1*c^-1,
c*b*b*c*b*d,
b^-1*d^-1*c^-1*d^-1*d^-1*c^-1,
d^-1*b*a*b*b*a,
a*d^-1*d^-1*a*d^-1*b,
d^-1*c^-1*c^-1*d^-1*c^-1*a,
a*c*b*c*c*b,
a^-1*c^-1*b^-1*c^-1*c^-1*b^-1,
d*c*c*d*c*a^-1,
a^-1*d*d*a^-1*d*b^-1,
d*b^-1*a^-1*b^-1*b^-1*a^-1,
b*d*c*d*d*c,
c^-1*b^-1*b^-1*c^-1*b^-1*d^-1,
b*a*a*b*a*c,
c^-1*a*d^-1*a*a*d^-1,
c*d*b*c*d*d,
b^-1*b^-1*c^-1*d^-1*b^-1*c^-1,
c*c*d*a^-1*c*d,
b^-1*c^-1*a^-1*b^-1*c^-1*c^-1,
d^-1*a*c^-1*d^-1*a*a,
a*a*b*c*a*b,
d^-1*d^-1*a*b*d^-1*a,
a*b*d^-1*a*b*b,
a^-1*b^-1*d*a^-1*b^-1*b^-1,
d*d*a^-1*b^-1*d*a^-1,
a^-1*a^-1*b^-1*c^-1*a^-1*b^-1,
d*a^-1*c*d*a^-1*a^-1,
b*c*a*b*c*c,
c^-1*c^-1*d^-1*a*c^-1*d^-1,
b*b*c*d*b*c,
c^-1*d^-1*b^-1*c^-1*d^-1*d^-1,
b^-1*a^-1*d*c*b^-1*d,
b^-1*d*c^-1*b^-1*a^-1*d,
c*a*a*b*c*d,
a*d^-1*c^-1*b^-1*a*c^-1,
c*b*a*d^-1*c*a,
a*c^-1*b*a*d^-1*c^-1,
d^-1*b^-1*a*d^-1*c^-1*b^-1,
a*b*c*d*d*b,
d^-1*c^-1*b^-1*a^-1*d^-1*b^-1,
d*b*a^-1*d*c*b,
a^-1*c*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*c^-1*a^-1,
a^-1*d*c*b*a^-1*c,
c^-1*a^-1*d^-1*c^-1*b^-1*a^-1,
b*d^-1*c*b*a*d^-1,
b*a*d^-1*c^-1*b*d^-1,
c*a^-1*d*c*a^-1*d*c*a^-1*d,
b^-1*a^-1*c^-1*b^-1*a^-1*c^-1*b^-1*a^-1*c^-1,
c*b*d*c*b*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*d^-1*c^-1*b^-1*d^-1*c^-1,
d^-1*b*a*d^-1*b*a*d^-1*b*a,
d^-1*c^-1*a*d^-1*c^-1*a*d^-1*c^-1*a,
a*c*b*a*c*b*a*c*b,
a^-1*d*b^-1*a^-1*d*b^-1*a^-1*d*b^-1,
c*a*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*a*c^-1,
c*b*d^-1*c^-1*b^-1*d,
d^-1*b^-1*a^-1*d*b*a,
b^-1*d^-1*b*d,
c*a^-1*c^-1*a,
b^-1*c^-1*d^-1*b*c*d,
c*d*a^-1*c^-1*d^-1*a,
a*b*c*a^-1*b^-1*c^-1,
d^-1*a*b*d*a^-1*b^-1,
d*b*d^-1*b^-1,
a*c^-1*a^-1*c,
c*b*c*b*c*a^-1*d,
b^-1*a^-1*c^-1*d^-1*c^-1*d^-1*c^-1,
c*b*d*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*c^-1*d^-1*b*a,
a*d^-1*b*c*b*c*b,
d^-1*c^-1*a*b*a*b*a,
a*d^-1*a*d^-1*a*c*b,
a^-1*d*a^-1*d*a^-1*c^-1*b^-1,
d*c*a^-1*b^-1*a^-1*b^-1*a^-1,
a^-1*d*b^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*d*b^-1*a^-1,
b*a*b*a*b*d*c,
c^-1*b^-1*d^-1*a*d^-1*a*d^-1,
b*a*c*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*c^-1*a*d^-1,
c*a^-1*d*c*b*d*c*a^-1*d,
b^-1*a^-1*c^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c^-1,
c*b*d*c*a^-1*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b^-1*d^-1*c^-1,
d^-1*b*a*d^-1*c^-1*a*d^-1*b*a,
a*d^-1*b*a*c*b*a*d^-1*b,
d^-1*c^-1*a*d^-1*b*a*d^-1*c^-1*a,
a*c*b*a*d^-1*b*a*c*b,
a^-1*c^-1*b^-1*a^-1*d*b^-1*a^-1*c^-1*b^-1,
d*c*a^-1*d*b^-1*a^-1*d*c*a^-1,
a^-1*d*b^-1*a^-1*c^-1*b^-1*a^-1*d*b^-1,
d*b^-1*a^-1*d*c*a^-1*d*b^-1*a^-1,
b*a*b*c*d*c*b*d*c,
c^-1*b^-1*d^-1*c^-1*a*d^-1*c^-1*b^-1*d^-1,
b*a*c*b*a*b*c*d*c,
c^-1*a*d^-1*c^-1*b^-1*d^-1*c^-1*a*d^-1,
c*b*c*c*a^-1*d,
b^-1*a^-1*c^-1*c^-1*d^-1*c^-1,
c*b*d*d*a^-1*d,
b^-1*a^-1*b^-1*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*d^-1*b*a,
a*d^-1*b*b*c*b,
d^-1*c^-1*a*a*b*a,
a*d^-1*a*a*c*b,
a^-1*d*a^-1*a^-1*c^-1*b^-1,
d*c*a^-1*a^-1*b^-1*a^-1,
a^-1*d*b^-1*b^-1*c^-1*b^-1,
d*c*d*d*b^-1*a^-1,
b*a*b*b*d*c,
c^-1*b^-1*d^-1*d^-1*a*d^-1,
b*a*c*c*d*c,
c^-1*b^-1*c^-1*c^-1*a*d^-1,
c*b*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*d^-1*c^-1,
d^-1*c^-1*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*c*b,
a^-1*d*b*a*c^-1*b^-1,
d*c*a*d^-1*b^-1*a^-1,
b*a*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*a*d^-1,
c*a^-1*c^-1*a^-1*d,
b^-1*a^-1*c*a^-1*c^-1,
c*b*d^-1*b*d,
b^-1*d^-1*b*d^-1*c^-1,
d^-1*b*d*b*a,
a*d^-1*b^-1*d^-1*b,
d^-1*c^-1*a^-1*c^-1*a,
a*c*a^-1*c*b,
a^-1*c^-1*a*c^-1*b^-1,
d*c*a*c*a^-1,
a^-1*d*b*d*b^-1,
d*b^-1*d^-1*b^-1*a^-1,
b*d*b^-1*d*c,
c^-1*b^-1*d*b^-1*d^-1,
b*a*c^-1*a*c,
c^-1*a*c*a*d^-1,
c*b^-1*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*d*c^-1,
c*b*c*b*a*d,
b^-1*a*d^-1*c^-1*d^-1*c^-1,
d^-1*c*b*a*b*a,
a*d^-1*a*d^-1*c^-1*b,
a^-1*d^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*b*a^-1,
c*d*a^-1*b*c*d,
b^-1*c^-1*d^-1*a^-1*b^-1*c^-1,
d^-1*a*b*c^-1*d^-1*a,
a*b*c*d^-1*a*b,
a^-1*b^-1*c^-1*d*a^-1*b^-1,
d*a^-1*b^-1*c*d*a^-1,
b*c*d*a*b*c,
c^-1*d^-1*a*b^-1*c^-1*d^-1,
b^-1*d*b*c*d,
b^-1*c^-1*d^-1*b^-1*d,
c*d*a^-1*c*a,
a*c^-1*a^-1*b^-1*c^-1,
c*a*c^-1*d^-1*a,
a*b*c*a*c^-1,
d^-1*a*b*d^-1*b^-1,
d*b*d^-1*a*b,
d^-1*b^-1*d*a^-1*b^-1,
d*a^-1*b^-1*d*b,
a^-1*b^-1*c^-1*a^-1*c,
c^-1*a^-1*c*d*a^-1,
a^-1*c*a*b*c,
c^-1*d^-1*a*c^-1*a^-1,
b*c*d*b*d^-1,
b*d^-1*b^-1*c^-1*d^-1,
b^-1*c^-1*a*b*c*d,
a*d^-1*c^-1*b^-1*c*d,
b^-1*a^-1*d*c*d^-1*a,
a*b*c^-1*b^-1*a^-1*d,
c*b*a*d^-1*a^-1*b^-1,
d*a^-1*b*a*d^-1*c^-1,
d^-1*c^-1*b^-1*a^-1*b*c,
c^-1*d^-1*a^-1*d*c*b,
c*b*c*b*a^-1*d,
b^-1*a^-1*d^-1*c^-1*d^-1*c^-1,
c*b*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*c^-1*b*a,
a*d^-1*c*b*c*b,
d^-1*c^-1*b*a*b*a,
a*d^-1*a*d^-1*c*b,
a^-1*d*a^-1*d*c^-1*b^-1,
d*c*b^-1*a^-1*b^-1*a^-1,
a^-1*d*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*b^-1*a^-1,
b*a*b*a*d*c,
c^-1*b^-1*a*d^-1*a*d^-1,
b*a*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*a*d^-1,
c*a^-1*c*a^-1*d,
b^-1*a^-1*c^-1*a^-1*c^-1,
c*b*d*b*d,
b^-1*d^-1*b^-1*d^-1*c^-1,
d^-1*b*d^-1*b*a,
d^-1*c^-1*a*c^-1*a,
a*c*a*c*b,
a^-1*d*b^-1*d*b^-1,
c*a^-1*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*c^-1,
c*b*c*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1,
d^-1*b*a*d^-1*a*b*a,
d^-1*c^-1*d^-1*a*d^-1*c^-1*a,
a*c*b*a*b*c*b,
a^-1*d*a^-1*b^-1*a^-1*d*b^-1,
c*d^-1*c^-1*a^-1*d,
b^-1*a^-1*c*b*c^-1,
c*b*d^-1*c^-1*d,
b^-1*c*b*d^-1*c^-1,
d^-1*a^-1*d*b*a,
a*d^-1*b^-1*a^-1*b,
d^-1*c^-1*a^-1*d*a,
a*b^-1*a^-1*c*b,
a^-1*b*a*c^-1*b^-1,
d*c*a*d^-1*a^-1,
a^-1*d*b*a*b^-1,
d*a*d^-1*b^-1*a^-1,
b*c^-1*b^-1*d*c,
c^-1*b^-1*d*c*d^-1,
b*a*c^-1*b^-1*c,
c^-1*d*c*a*d^-1,
c*d^-1*b*d,
b^-1*d^-1*b*c^-1,
c*a^-1*c^-1*d,
b^-1*c*a^-1*c^-1,
d^-1*a^-1*c^-1*a,
a*c*a^-1*b,
d^-1*b*d*a,
a*b^-1*d^-1*b,
a^-1*b*d*b^-1,
d*b^-1*d^-1*a^-1,
a^-1*c^-1*a*b^-1,
d*a*c*a^-1,
b*c^-1*a*c,
c^-1*a*c*d^-1,
b*d*b^-1*c,
c^-1*d*b^-1*d^-1,
c*d*a^-1*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*a^-1*b^-1*c^-1,
c*b*c*d*b*c*d,
b^-1*c^-1*d^-1*b^-1*c^-1*d^-1*c^-1,
d^-1*a*b*d^-1*a*b*a,
d^-1*c^-1*d^-1*a*c^-1*d^-1*a,
a*b*c*a*b*c*b,
a^-1*d*a^-1*b^-1*d*a^-1*b^-1,
b^-1*a^-1*d*c*c*d,
b^-1*c^-1*c^-1*b^-1*a^-1*d,
c*d*a*b*c*d,
a*d^-1*c^-1*b^-1*b^-1*c^-1,
c*b*a*d^-1*d^-1*a,
a*b*b*a*d^-1*c^-1,
d^-1*a*a*d^-1*c^-1*b^-1,
a*b*c*d*a*b,
d^-1*c^-1*b^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*d*c*b,
a^-1*b^-1*b^-1*a^-1*d*c,
c^-1*b^-1*a^-1*d*d*a^-1,
a^-1*d*c*b*b*c,
c^-1*d^-1*d^-1*c^-1*b^-1*a^-1,
b*c*c*b*a*d^-1,
b*a*d^-1*c^-1*c^-1*d^-1,
b^-1*d*a^-1*b^-1*d,
c*a*b*c*a,
a*c^-1*d^-1*a*c^-1,
d^-1*b^-1*c^-1*d^-1*b^-1,
d*b*c*d*b,
a^-1*c*d*a^-1*c,
c^-1*a^-1*b^-1*c^-1*a^-1,
b*d^-1*a*b*d^-1,
b^-1*c^-1*b*c*d,
b^-1*c^-1*d^-1*c*d,
c*d*a^-1*d^-1*a,
a*b*a^-1*b^-1*c^-1,
c*d*c^-1*d^-1*a,
a*b*c*b^-1*c^-1,
d^-1*a*b*a^-1*b^-1,
d*a^-1*d^-1*a*b,
d^-1*a*d*a^-1*b^-1,
d*a^-1*b^-1*a*b,
a^-1*b^-1*c^-1*b*c,
c^-1*d^-1*c*d*a^-1,
a^-1*b^-1*a*b*c,
c^-1*d^-1*a*d*a^-1,
b*c*d*c^-1*d^-1,
b*c*b^-1*c^-1*d^-1,
a*b*d^-1*b^-1,
d*b*d^-1*a,
a*c^-1*a^-1*b^-1,
d*a^-1*c*a,
b^-1*c^-1*a^-1*c,
c^-1*a^-1*c*d,
b^-1*d*b*c,
c^-1*d^-1*b^-1*d,
c*d*b*d^-1,
b*d^-1*b^-1*c^-1,
c*a*c^-1*d^-1,
b*c*a*c^-1,
d^-1*a*c^-1*a^-1,
a^-1*c*a*b,
d^-1*b^-1*d*a^-1,
a^-1*b^-1*d*b,
c*b*a^-1*a^-1*d,
b^-1*a^-1*a^-1*d^-1*c^-1,
c*b*b*a^-1*d,
b^-1*a^-1*d^-1*d^-1*c^-1,
d^-1*c^-1*b*b*a,
a*d^-1*d^-1*c*b,
d^-1*c^-1*c^-1*b*a,
a*d^-1*c*c*b,
a^-1*d*c^-1*c^-1*b^-1,
d*c*c*b^-1*a^-1,
a^-1*d*d*c^-1*b^-1,
d*c*b^-1*b^-1*a^-1,
b*a*d*d*c,
c^-1*b^-1*b^-1*a*d^-1,
b*a*a*d*c,
c^-1*b^-1*a*a*d^-1,
c*b*c*d*c*a^-1*d,
b^-1*a^-1*c^-1*b^-1*c^-1*d^-1*c^-1,
c*b*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*a*d^-1*b*a,
a*d^-1*b*a*b*c*b,
d^-1*c^-1*a*d^-1*a*b*a,
a*d^-1*a*b*a*c*b,
a^-1*d*a^-1*b^-1*a^-1*c^-1*b^-1,
d*c*a^-1*d*a^-1*b^-1*a^-1,
a^-1*d*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*b^-1*a^-1,
b*a*b*c*b*d*c,
c^-1*b^-1*d^-1*c^-1*d^-1*a*d^-1,
b*a*c*b*c*d*c,
c^-1*b^-1*c^-1*d^-1*c^-1*a*d^-1,
c*d^-1*c^-1*d,
b^-1*c*b*c^-1,
d^-1*a^-1*d*a,
a*b^-1*a^-1*b,
a*b*a^-1*b^-1,
d*a^-1*d^-1*a,
b^-1*c^-1*b*c,
c^-1*d^-1*c*d,
c*b*d^-1*a^-1*d,
b^-1*a^-1*b*d^-1*c^-1,
c*b*c^-1*a^-1*d,
b^-1*a^-1*c*d^-1*c^-1,
d^-1*c^-1*a^-1*b*a,
a*d^-1*a^-1*c*b,
d^-1*c^-1*d*b*a,
a*d^-1*b^-1*c*b,
a^-1*d*b*c^-1*b^-1,
d*c*d^-1*b^-1*a^-1,
a^-1*d*a*c^-1*b^-1,
d*c*a*b^-1*a^-1,
b*a*c^-1*d*c,
c^-1*b^-1*c*a*d^-1,
b*a*b^-1*d*c,
c^-1*b^-1*d*a*d^-1,
c*d^-1*a^-1*d,
b^-1*a^-1*b*c^-1,
c*b*c^-1*d,
b^-1*c*d^-1*c^-1,
d^-1*a^-1*b*a,
d^-1*c^-1*d*a,
a*b^-1*c*b,
a^-1*d*a*b^-1,
c*c*b*d,
b^-1*d^-1*c^-1*c^-1,
c*a^-1*d*d,
b^-1*b^-1*a^-1*c^-1,
d^-1*d^-1*c^-1*a,
a*c*b*b,
d^-1*b*a*a,
a^-1*a^-1*d*b^-1,
a*b*d^-1*a,
b^-1*c^-1*a^-1*b^-1,
d*a^-1*c*d,
c*d*b*c,
c^-1*d^-1*b^-1*c^-1,
d^-1*a*c^-1*d^-1,
b*c*a*b,
a^-1*b^-1*d*a^-1,
a*b*c*b^-1,
d*c^-1*d^-1*a,
a*d*a^-1*b^-1,
b^-1*c^-1*d^-1*c,
c^-1*b*c*d,
c*d*a^-1*d^-1,
b*a^-1*b^-1*c^-1,
d^-1*a*b*a^-1,
c*a^-1*a^-1*d,
b^-1*a^-1*a^-1*c^-1,
c*b*b*d,
b^-1*d^-1*d^-1*c^-1,
d^-1*b*b*a,
a*d^-1*d^-1*b,
d^-1*c^-1*c^-1*a,
a*c*c*b,
a^-1*c^-1*c^-1*b^-1,
d*c*c*a^-1,
a^-1*d*d*b^-1,
d*b^-1*b^-1*a^-1,
b*d*d*c,
c^-1*b^-1*b^-1*d^-1,
b*a*a*c,
c^-1*a*a*d^-1,
c*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*c^-1,
c*b*c*b*d,
b^-1*d^-1*c^-1*d^-1*c^-1,
d^-1*b*a*b*a,
a*d^-1*a*d^-1*b,
d^-1*c^-1*d^-1*c^-1*a,
a*c*b*c*b,
a^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*a^-1,
a^-1*d*a^-1*d*b^-1,
d*b^-1*a^-1*b^-1*a^-1,
b*d*c*d*c,
c^-1*b^-1*c^-1*b^-1*d^-1,
b*a*b*a*c,
c^-1*a*d^-1*a*d^-1,
c*d*a^-1*c*d,
b^-1*c^-1*a^-1*b^-1*c^-1,
c*d*b*c*d,
b^-1*c^-1*d^-1*b^-1*c^-1,
d^-1*a*b*d^-1*a,
a*b*d^-1*a*b,
d^-1*a*c^-1*d^-1*a,
a*b*c*a*b,
a^-1*b^-1*c^-1*a^-1*b^-1,
d*a^-1*c*d*a^-1,
a^-1*b^-1*d*a^-1*b^-1,
d*a^-1*b^-1*d*a^-1,
b*c*d*b*c,
c^-1*d^-1*b^-1*c^-1*d^-1,
b*c*a*b*c,
c^-1*d^-1*a*c^-1*d^-1,
a*c^-1*d^-1*a,
a*b*c*a,
b^-1*c^-1*d^-1*b^-1,
d*b*c*d,
b^-1*d*a^-1*b^-1,
d*a^-1*b^-1*d,
c*d*a^-1*c,
c^-1*a^-1*b^-1*c^-1,
c*a*b*c,
c^-1*d^-1*a*c^-1,
d^-1*a*b*d^-1,
b*d^-1*a*b,
d^-1*b^-1*c^-1*d^-1,
b*c*d*b,
a^-1*b^-1*c^-1*a^-1,
a^-1*c*d*a^-1,
c*b*c*a^-1*d,
b^-1*a^-1*c^-1*d^-1*c^-1,
c*b*d*a^-1*d,
b^-1*a^-1*b^-1*d^-1*c^-1,
d^-1*c^-1*d^-1*b*a,
a*d^-1*b*c*b,
d^-1*c^-1*a*b*a,
a*d^-1*a*c*b,
a^-1*d*a^-1*c^-1*b^-1,
d*c*a^-1*b^-1*a^-1,
a^-1*d*b^-1*c^-1*b^-1,
d*c*d*b^-1*a^-1,
b*a*b*d*c,
c^-1*b^-1*d^-1*a*d^-1,
b*a*c*d*c,
c^-1*b^-1*c^-1*a*d^-1,
c*b*a^-1*d,
b^-1*a^-1*d^-1*c^-1,
d^-1*c^-1*b*a,
a*d^-1*c*b,
a^-1*d*c^-1*b^-1,
d*c*b^-1*a^-1,
b*a*d*c,
c^-1*b^-1*a*d^-1,
c*a^-1*d,
b^-1*a^-1*c^-1,
c*b*d,
b^-1*d^-1*c^-1,
d^-1*b*a,
d^-1*c^-1*a,
a*c*b,
a^-1*d*b^-1,
d^-1*c^-1,
c*b,
a^-1*d,
b^-1*a^-1,
b*a,
a*d^-1,
c^-1*b^-1,
d*c,
a^-1,
b,
d^-1,
c^-1,
c,
d,
b^-1,
a,
d^-1*a*d^-1*c^-1,
c*b*a*b,
d^-1*c^-1*b^-1*c^-1,
c*d*c*b,
a^-1*b^-1*a^-1*d,
a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1,
b*a*d^-1*a,
d^-1*b,
a^-1*c^-1,
c*a^-1,
b*d,
b^-1*d^-1,
c^-1*a,
a*c,
d*b^-1,
d^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b,
a^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c,
d^-1*d^-1*c^-1,
c*b*b,
d^-1*c^-1*c^-1,
c*c*b,
a^-1*a^-1*d,
b^-1*a^-1*a^-1,
a^-1*d*d,
b^-1*b^-1*a^-1,
b*b*a,
a*d^-1*d^-1,
b*a*a,
a*a*d^-1,
c^-1*c^-1*b^-1,
d*c*c,
c^-1*b^-1*b^-1,
d*d*c,
a^-1*b,
d^-1*a^-1,
b*c^-1,
c*d^-1,
c^-1*d,
b^-1*c,
d*a,
a*b^-1,
d^-1*a*c^-1*d^-1*a*c^-1,
c*a*b*c*a*b,
d^-1*b^-1*c^-1*d^-1*b^-1*c^-1,
c*d*b*c*d*b,
a^-1*b^-1*d*a^-1*b^-1*d,
a^-1*c*d*a^-1*c*d,
b^-1*c^-1*a^-1*b^-1*c^-1*a^-1,
b*d^-1*a*b*d^-1*a,
d^-1*c^-1*d^-1*c^-1,
c*b*c*b,
a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1,
b*a*b*a,
a*d^-1*a*d^-1,
c^-1*b^-1*c^-1*b^-1,
d*c*d*c,
a^-1*a^-1,
b*b,
d^-1*d^-1,
c^-1*c^-1,
c*c,
d*d,
b^-1*b^-1,
a*a,
d^-1*a^-1*c^-1,
c*a^-1*b,
d^-1*b*c^-1,
c*d^-1*b,
a^-1*b*d,
b^-1*d^-1*a^-1,
a^-1*c^-1*d,
b^-1*c*a^-1,
b*c^-1*a,
a*c*d^-1,
b*d*a,
a*b^-1*d^-1,
c^-1*d*b^-1,
d*b^-1*c,
c^-1*a*b^-1,
d*a*c,
d^-1*c^-1*b,
d^-1*c*b,
a^-1*d^-1*c^-1,
c*b*a^-1,
a^-1*d*c^-1,
c*b^-1*a^-1,
b*a^-1*d,
b^-1*a^-1*d^-1,
b*a*d,
b^-1*a*d^-1,
c^-1*b*a,
a*d^-1*c,
c^-1*b^-1*a,
a*d*c,
d*c^-1*b^-1,
d*c*b^-1,
d^-1*b^-1*a^-1*c^-1,
c*a^-1*d*b,
d^-1*b*a*c^-1,
c*a*d^-1*b,
a^-1*c*b*d,
b^-1*d^-1*c^-1*a^-1,
a^-1*c^-1*b^-1*d,
b^-1*d*c*a^-1,
b*d^-1*c^-1*a,
a*c*b*d^-1,
b*d*c*a,
a*c^-1*b^-1*d^-1,
c^-1*a^-1*d*b^-1,
d*b^-1*a^-1*c,
c^-1*a*d^-1*b^-1,
d*b*a*c,
d^-1*a*d^-1*c^-1*c^-1,
c*c*b*a*b,
d^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*b,
a^-1*b^-1*a^-1*d*d,
b^-1*b^-1*a^-1*d*a^-1,
a^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*a^-1,
b*c*b*a*a,
a*a*d^-1*c^-1*d^-1,
b*b*a*d^-1*a,
a*b*a*d^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*b^-1,
d*d*c*b*c,
c^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*c,
d^-1*b^-1*d^-1*c^-1,
c*b*d*b,
d^-1*c^-1*a*c^-1,
c*a*c*b,
a^-1*c*a^-1*d,
b^-1*a^-1*c^-1*a^-1,
a^-1*d*b^-1*d,
b^-1*d*b^-1*a^-1,
b*d^-1*b*a,
a*d^-1*b*d^-1,
b*a*c*a,
a*c^-1*a*d^-1,
c^-1*a^-1*c^-1*b^-1,
d*c*a^-1*c,
c^-1*b^-1*d^-1*b^-1,
d*b*d*c,
d^-1*a*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*a*b,
d^-1*a*d^-1*c^-1*b^-1*b^-1*c^-1,
c*d*a*b*c*d*b,
a^-1*b^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*d*a^-1,
a^-1*b^-1*a^-1*d*c*c*d,
b^-1*c^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*c^-1*d^-1,
b*c*b*a*d^-1*d^-1*a,
a*b*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*d*c*b*c,
d^-1*a*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*a*b,
d^-1*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*b,
a^-1*b^-1*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*d*a^-1,
a^-1*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*a^-1,
b*c*b*a*b*a,
a*d^-1*a*d^-1*c^-1*d^-1,
b*a*b*a*d^-1*a,
a*b*a*d^-1*a*d^-1,
c^-1*d^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*b*c,
c^-1*b^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d*c,
d^-1*b*d^-1*c^-1,
c*b*d^-1*b,
d^-1*c^-1*a^-1*c^-1,
c*a^-1*c*b,
a^-1*c^-1*a^-1*d,
b^-1*a^-1*c*a^-1,
a^-1*d*b*d,
b^-1*d^-1*b^-1*a^-1,
b*d*b*a,
a*d^-1*b^-1*d^-1,
b*a*c^-1*a,
a*c*a*d^-1,
c^-1*a*c^-1*b^-1,
d*c*a*c,
c^-1*b^-1*d*b^-1,
d*b^-1*d*c,
d^-1*b*b,
d^-1*d^-1*b,
a^-1*a^-1*c^-1,
c*a^-1*a^-1,
a^-1*c^-1*c^-1,
c*c*a^-1,
b*b*d,
b^-1*d^-1*d^-1,
b*d*d,
b^-1*b^-1*d^-1,
c^-1*c^-1*a,
a*c*c,
c^-1*a*a,
a*a*c,
d*d*b^-1,
d*b^-1*b^-1,
d^-1*a*c*b*c^-1,
c*d^-1*c^-1*a*b,
d^-1*a^-1*d*b^-1*c^-1,
c*d*b^-1*a^-1*b,
a^-1*b^-1*d^-1*c^-1*d,
b^-1*c*b*d*a^-1,
a^-1*b*a*c*d,
b^-1*c^-1*a*d^-1*a^-1,
b*c*a^-1*d*a,
a*b^-1*a^-1*c^-1*d^-1,
b*c^-1*b^-1*d^-1*a,
a*b*d*c*d^-1,
c^-1*d^-1*b*a*b^-1,
d*a*d^-1*b*c,
c^-1*d*c*a^-1*b^-1,
d*a^-1*c^-1*b^-1*c,
d^-1*b^-1*a^-1*d*c^-1,
c*b^-1*a^-1*d*b,
d^-1*c*b*a*c^-1,
c*a*d^-1*c^-1*b,
a^-1*c*b*a*d,
b^-1*a*d^-1*c^-1*a^-1,
a^-1*d^-1*c^-1*b^-1*d,
b^-1*d*c*b*a^-1,
b*d^-1*c^-1*b^-1*a,
a*d*c*b*d^-1,
b*a^-1*d*c*a,
a*c^-1*b^-1*a^-1*d^-1,
c^-1*a^-1*d*c*b^-1,
d*c^-1*b^-1*a^-1*c,
c^-1*b*a*d^-1*b^-1,
d*b*a*d^-1*c,
d^-1*a*d^-1*d^-1*c^-1,
c*b*b*a*b,
d^-1*c^-1*c^-1*b^-1*c^-1,
c*d*c*c*b,
a^-1*b^-1*a^-1*a^-1*d,
a^-1*d*d*c*d,
b^-1*c^-1*b^-1*b^-1*a^-1,
b*a*a*d^-1*a,
d^-1*d^-1*a*d^-1*c^-1,
c*b*a*b*b,
d^-1*c^-1*b^-1*c^-1*c^-1,
c*c*d*c*b,
a^-1*a^-1*b^-1*a^-1*d,
a^-1*d*c*d*d,
b^-1*b^-1*c^-1*b^-1*a^-1,
b*a*d^-1*a*a,
d^-1*a^-1*b,
a^-1*b*c^-1,
c*d^-1*a^-1,
b*c^-1*d,
b^-1*c*d^-1,
c^-1*d*a,
a*b^-1*c,
d*a*b^-1,
a^-1*d^-1*b,
a^-1*c^-1*b,
d^-1*c*a^-1,
b*d*c^-1,
c*b^-1*d^-1,
c^-1*a*d,
b^-1*a*c,
d*b^-1*a,
d^-1*a*c^-1*b^-1*a^-1*d*b^-1*c^-1,
c*d*b^-1*a^-1*d*c*a*b,
d^-1*a*c*b*a*d^-1*b^-1*c^-1,
c*d*b*a*d^-1*c^-1*a*b,
a^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c*d,
b^-1*c^-1*a^-1*d*c*b*d*a^-1,
b*c*a^-1*d*c*b*d^-1*a,
a*b*d^-1*c^-1*b^-1*a^-1*c^-1*d^-1,
d^-1*a*d^-1*c^-1*a*c^-1,
c*a*c*b*a*b,
d^-1*b^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*d*b,
a^-1*b^-1*a^-1*d*b^-1*d,
b^-1*d*b^-1*a^-1*d*a^-1,
a^-1*c*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*c^-1*a^-1,
b*c*b*a*c*a,
a*c^-1*a*d^-1*c^-1*d^-1,
b*d^-1*b*a*d^-1*a,
a*b*a*d^-1*b*d^-1,
c^-1*d^-1*c^-1*b^-1*d^-1*b^-1,
d*b*d*c*b*c,
c^-1*a^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*a^-1*c,
d^-1*d^-1*c^-1*c^-1,
c*c*b*b,
a^-1*a^-1*d*d,
b^-1*b^-1*a^-1*a^-1,
b*b*a*a,
a*a*d^-1*d^-1,
c^-1*c^-1*b^-1*b^-1,
d*d*c*c,
d^-1*c*d^-1*c^-1,
c*b*c^-1*b,
d^-1*c^-1*d*c^-1,
c*b^-1*c*b,
a^-1*d^-1*a^-1*d,
b^-1*a^-1*b*a^-1,
a^-1*d*a*d,
b^-1*a*b^-1*a^-1,
b*a^-1*b*a,
a*d^-1*a^-1*d^-1,
b*a*b^-1*a,
a*d*a*d^-1,
c^-1*b*c^-1*b^-1,
d*c*d^-1*c,
c^-1*b^-1*c*b^-1,
d*c^-1*d*c,
d^-1*a*d^-1*b*c^-1,
c*d^-1*b*a*b,
d^-1*a^-1*c^-1*b^-1*c^-1,
c*d*c*a^-1*b,
a^-1*b^-1*a^-1*c^-1*d,
b^-1*c*a^-1*d*a^-1,
a^-1*b*d*c*d,
b^-1*c^-1*b^-1*d^-1*a^-1,
b*c*b*d*a,
a*b^-1*d^-1*c^-1*d^-1,
b*c^-1*a*d^-1*a,
a*b*a*c*d^-1,
c^-1*d^-1*c^-1*a*b^-1,
d*a*c*b*c,
c^-1*d*b^-1*a^-1*b^-1,
d*a^-1*d*b^-1*c,
d^-1*b^-1*a*d^-1*c^-1,
c*b*a*d*b,
d^-1*c^-1*b^-1*a*c^-1,
c*a*d*c*b,
a^-1*c*b^-1*a^-1*d,
b^-1*a^-1*d*c^-1*a^-1,
a^-1*d*c*b^-1*d,
b^-1*d*c^-1*b^-1*a^-1,
b*d^-1*c*b*a,
a*d^-1*c^-1*b*d^-1,
b*a*d^-1*c*a,
a*c^-1*b*a*d^-1,
c^-1*a^-1*d^-1*c^-1*b^-1,
d*c*b*a^-1*c,
c^-1*b^-1*a^-1*d^-1*b^-1,
d*b*a^-1*d*c,
d^-1*a*d^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b*a*b,
d^-1*a*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*a*b*c*d*b,
a^-1*b^-1*a^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*b*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d^-1*c^-1*d^-1,
b*c*b*a*d^-1*a*d^-1*a,
a*b*a*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d*c*b*c,
d^-1*a^-1*d^-1*c^-1,
c*b*a^-1*b,
d^-1*c^-1*b*c^-1,
c*d^-1*c*b,
a^-1*b*a^-1*d,
b^-1*a^-1*d^-1*a^-1,
a^-1*d*c^-1*d,
b^-1*c*b^-1*a^-1,
b*c^-1*b*a,
a*d^-1*c*d^-1,
b*a*d*a,
a*b^-1*a*d^-1,
c^-1*d*c^-1*b^-1,
d*c*b^-1*c,
c^-1*b^-1*a*b^-1,
d*a*d*c,
d^-1*a*c^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c*a*b,
d^-1*a*d^-1*c^-1*b^-1*d^-1*b^-1*c^-1,
c*d*b*a*b*c*d*b,
a^-1*b^-1*d*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*a^-1*c*d,
b^-1*c^-1*a^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*a*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a*c^-1*d^-1,
b*c*b*a*d^-1*b*d^-1*a,
a*b*d^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*a^-1*b^-1,
d*a^-1*c*a^-1*d*c*b*c,
d^-1*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*b,
d^-1*c^-1*d^-1*c^-1*c^-1,
c*c*b*c*b,
a^-1*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*a^-1,
a^-1*d*a^-1*d*d,
b^-1*b^-1*a^-1*b^-1*a^-1,
b*b*a*b*a,
a*d^-1*a*d^-1*d^-1,
b*a*b*a*a,
a*a*d^-1*a*d^-1,
c^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*c,
c^-1*b^-1*c^-1*b^-1*b^-1,
d*d*c*d*c,
d^-1*d^-1*d^-1*c^-1,
c*b*b*b,
d^-1*c^-1*c^-1*c^-1,
c*c*c*b,
a^-1*a^-1*a^-1*d,
b^-1*a^-1*a^-1*a^-1,
a^-1*d*d*d,
b^-1*b^-1*b^-1*a^-1,
b*b*b*a,
a*d^-1*d^-1*d^-1,
b*a*a*a,
a*a*a*d^-1,
c^-1*c^-1*c^-1*b^-1,
d*c*c*c,
c^-1*b^-1*b^-1*b^-1,
d*d*d*c,
a^-1*a^-1*b,
d^-1*a^-1*a^-1,
a^-1*b*b,
d^-1*d^-1*a^-1,
b*b*c^-1,
c*d^-1*d^-1,
b*c^-1*c^-1,
c*c*d^-1,
c^-1*c^-1*d,
b^-1*c*c,
c^-1*d*d,
b^-1*b^-1*c,
d*d*a,
a*b^-1*b^-1,
d*a*a,
a*a*b^-1,
d^-1*c^-1*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*c*b,
a^-1*d*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*b^-1*a^-1,
b*a*b*a*b*a,
a*d^-1*a*d^-1*a*d^-1,
c^-1*b^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*d*c,
a^-1*a^-1*a^-1,
b*b*b,
d^-1*d^-1*d^-1,
c^-1*c^-1*c^-1,
c*c*c,
d*d*d,
b^-1*b^-1*b^-1,
a*a*a,
d^-1*a*d^-1*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*b*a*b,
a^-1*b^-1*a^-1*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*a^-1*d*a^-1,
b*c*b*a*b*a*d^-1*a,
a*b*a*d^-1*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d*c*b*c,
d^-1*a*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1,
c*b*c*a*b*c*d*b,
a^-1*b^-1*a^-1*d*c*d*a^-1*d,
b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*b*a*d^-1*a*b*a,
a*d^-1*a*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1,
d*c*d*a^-1*d*c*b*c,
d^-1*b*a^-1*c^-1,
c*a^-1*d^-1*b,
a^-1*c^-1*b*d,
b^-1*d^-1*c*a^-1,
b*d*c^-1*a,
a*c*b^-1*d^-1,
c^-1*a*d*b^-1,
d*b^-1*a*c,
d^-1*c^-1*a^-1*b,
d^-1*a^-1*c*b,
a^-1*d*b*c^-1,
c*d^-1*b^-1*a^-1,
b*a*c^-1*d,
b^-1*c*a*d^-1,
c^-1*b^-1*d*a,
a*b^-1*d*c,
d^-1*a*d^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*b*a*b,
d^-1*a*d^-1*c^-1*c^-1*b^-1*c^-1,
c*d*c*c*b*a*b,
a^-1*b^-1*a^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*a^-1*d*a^-1,
a^-1*b^-1*a^-1*d*d*c*d,
b^-1*c^-1*b^-1*b^-1*a^-1*d*a^-1,
b*c*b*b*a*d^-1*a,
a*b*a*d^-1*d^-1*c^-1*d^-1,
b*c*b*a*a*d^-1*a,
a*b*a*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*c*b*c,
c^-1*d^-1*c^-1*b^-1*b^-1*a^-1*b^-1,
d*a^-1*d*d*c*b*c,
d^-1*a*d^-1*c^-1*b^-1*c^-1*c^-1,
c*c*a*b*c*d*b,
d^-1*d^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b*b,
a^-1*b^-1*a^-1*d*c*d*d,
b^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1,
a^-1*a^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a^-1*a^-1,
b*c*b*a*d^-1*a*a,
a*a*b*a*d^-1*c^-1*d^-1,
b*b*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*b^-1,
d*d*a^-1*d*c*b*c,
c^-1*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c*c,
d^-1*b^-1*a^-1*d^-1*c^-1,
c*b*a^-1*d*b,
d^-1*a^-1*b^-1*a^-1*c^-1,
c*a^-1*d*a^-1*b,
d^-1*b*a*b*c^-1,
c*d^-1*a*d^-1*b,
d^-1*c^-1*b*a*c^-1,
c*a*d^-1*c*b,
a^-1*c*b*a^-1*d,
b^-1*a^-1*d^-1*c^-1*a^-1,
a^-1*b*c*b*d,
b^-1*d^-1*c^-1*d^-1*a^-1,
a^-1*c^-1*b^-1*c^-1*d,
b^-1*c*d*c*a^-1,
a^-1*d*c^-1*b^-1*d,
b^-1*d*c*b^-1*a^-1,
b*d^-1*c^-1*b*a,
a*d^-1*c*b*d^-1,
b*c^-1*d^-1*c^-1*a,
a*c*b*c*d^-1,
b*d*c*d*a,
a*b^-1*c^-1*b^-1*d^-1,
b*a*d*c*a,
a*c^-1*b^-1*a*d^-1,
c^-1*a^-1*d*c^-1*b^-1,
d*c*b^-1*a^-1*c,
c^-1*d*a^-1*d*b^-1,
d*b^-1*a^-1*b^-1*c,
c^-1*a*d^-1*a*b^-1,
d*a*b*a*c,
c^-1*b^-1*a*d^-1*b^-1,
d*b*a*d*c,
d^-1*a*a*b*c*d*b^-1*c^-1,
d^-1*a*b^-1*a^-1*d*c*b^-1*c^-1,
c*d*c^-1*b^-1*a^-1*d*a*b,
a^-1*b^-1*c*b*a*d^-1*c*d,
b^-1*c^-1*b*a*d^-1*c^-1*d*a^-1,
b*c*d^-1*c^-1*b^-1*a^-1*d^-1*a,
a*b*a^-1*d*c*b*c^-1*d^-1,
c^-1*d^-1*a^-1*d*c*b*a^-1*b^-1,
d^-1*a*a*d^-1*c^-1*c^-1,
c*c*b*a*a*b,
d^-1*d^-1*c^-1*b^-1*b^-1*c^-1,
c*d*d*c*b*b,
a^-1*b^-1*b^-1*a^-1*d*d,
a^-1*a^-1*d*c*c*d,
b^-1*c^-1*c^-1*b^-1*a^-1*a^-1,
b*b*a*d^-1*d^-1*a,
d^-1*a*d^-1*c^-1*a^-1*c^-1,
c*a^-1*c*b*a*b,
d^-1*b*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*d^-1*b,
a^-1*b^-1*a^-1*d*b*d,
b^-1*d^-1*b^-1*a^-1*d*a^-1,
a^-1*c^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*c*a^-1,
b*c*b*a*c^-1*a,
a*c*a*d^-1*c^-1*d^-1,
b*d*b*a*d^-1*a,
a*b*a*d^-1*b^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*d*b^-1,
d*b^-1*d*c*b*c,
c^-1*a*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*a*c,
d^-1*b^-1*c^-1*b^-1*d^-1*c^-1,
c*b*d*c*d*b,
d^-1*c^-1*a*d^-1*a*c^-1,
c*a*b*a*c*b,
a^-1*c*d*c*a^-1*d,
b^-1*a^-1*c^-1*b^-1*c^-1*a^-1,
a^-1*d*b^-1*a^-1*b^-1*d,
b*d^-1*a*d^-1*b*a,
d^-1*b*d*b,
d^-1*b^-1*d^-1*b,
a^-1*c*a^-1*c^-1,
a^-1*c^-1*a*c^-1,
c*a*c*a^-1,
b*d*b^-1*d,
b^-1*d*b^-1*d^-1,
c^-1*a*c*a,
d^-1*a*d^-1*c^-1*d*c^-1,
c*b^-1*c*b*a*b,
d^-1*c*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c^-1*b,
a^-1*b^-1*a^-1*d*a*d,
b^-1*a*b^-1*a^-1*d*a^-1,
a^-1*d^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b*a^-1,
b*c*b*a*b^-1*a,
a*d*a*d^-1*c^-1*d^-1,
b*a^-1*b*a*d^-1*a,
a*b*a*d^-1*a^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*c*b^-1,
d*c^-1*d*c*b*c,
c^-1*b*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d^-1*c,
d^-1*b^-1*d^-1*c^-1*c^-1,
c*c*b*d*b,
d^-1*d^-1*c^-1*a*c^-1,
c*a*c*b*b,
a^-1*c*a^-1*d*d,
b^-1*b^-1*a^-1*c^-1*a^-1,
a^-1*a^-1*d*b^-1*d,
b^-1*d*b^-1*a^-1*a^-1,
b*d^-1*b*a*a,
a*a*d^-1*b*d^-1,
b*b*a*c*a,
a*c^-1*a*d^-1*d^-1,
c^-1*a^-1*c^-1*b^-1*b^-1,
d*d*c*a^-1*c,
c^-1*c^-1*b^-1*d^-1*b^-1,
d*b*d*c*c,
d^-1*a*a*d^-1*c^-1*b^-1*b^-1*c^-1,
c*d*a*b*c*d*a*b,
a^-1*b^-1*b^-1*a^-1*d*c*c*d,
b^-1*c^-1*c^-1*b^-1*a^-1*d*d*a^-1,
b*c*c*b*a*d^-1*d^-1*a,
a*b*b*a*d^-1*c^-1*c^-1*d^-1,
c^-1*d^-1*d^-1*c^-1*b^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*d*c*b*b*c,
d^-1*a*d^-1*c^-1*d^-1*a*d^-1*c^-1,
c*b*a*b*c*b*a*b,
d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*d*c*b,
a^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*d,
a^-1*d*c*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1,
b*a*d^-1*a*b*a*d^-1*a,
d^-1*b*d^-1*b,
a^-1*c^-1*a^-1*c^-1,
c*a^-1*c*a^-1,
b*d*b*d,
b^-1*d^-1*b^-1*d^-1,
c^-1*a*c^-1*a,
a*c*a*c,
d*b^-1*d*b^-1,
d^-1*a*c*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c^-1*a*b,
d^-1*a*d^-1*c^-1*d*b^-1*c^-1,
c*d*b^-1*c*b*a*b,
a^-1*b^-1*d^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b*d*a^-1,
a^-1*b^-1*a^-1*d*a*c*d,
b^-1*c^-1*a*b^-1*a^-1*d*a^-1,
b*c*a^-1*b*a*d^-1*a,
a*b*a*d^-1*a^-1*c^-1*d^-1,
b*c*b*a*b^-1*d^-1*a,
a*b*d*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d^-1*b*c,
c^-1*d^-1*c^-1*b^-1*c*a^-1*b^-1,
d*a^-1*c^-1*d*c*b*c,
d^-1*a*d^-1*c^-1*b^-1*d*c^-1,
c*b^-1*a*b*c*d*b,
d^-1*c*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c^-1*b,
a^-1*b^-1*a^-1*d*c*a*d,
b^-1*a*c^-1*b^-1*a^-1*d*a^-1,
a^-1*d^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b*a^-1,
b*c*b*a*d^-1*b^-1*a,
a*d*b*a*d^-1*c^-1*d^-1,
b*a^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*a^-1*c*b^-1,
d*c^-1*a^-1*d*c*b*c,
c^-1*b*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d^-1*c,
d^-1*b^-1*a^-1*c^-1*c^-1,
c*c*a^-1*d*b,
d^-1*d^-1*b*a*c^-1,
c*a*d^-1*b*b,
a^-1*c*b*d*d,
b^-1*b^-1*d^-1*c^-1*a^-1,
a^-1*a^-1*c^-1*b^-1*d,
b^-1*d*c*a^-1*a^-1,
b*d^-1*c^-1*a*a,
a*a*c*b*d^-1,
b*b*d*c*a,
a*c^-1*b^-1*d^-1*d^-1,
c^-1*a^-1*d*b^-1*b^-1,
d*d*b^-1*a^-1*c,
c^-1*c^-1*a*d^-1*b^-1,
d*b*a*c*c,
d^-1*b^-1*b^-1*a^-1*c^-1,
c*a^-1*d*d*b,
d^-1*b*a*a*c^-1,
c*a*a*d^-1*b,
a^-1*c*c*b*d,
b^-1*d^-1*c^-1*c^-1*a^-1,
a^-1*c^-1*b^-1*b^-1*d,
b^-1*d*d*c*a^-1,
b*d^-1*d^-1*c^-1*a,
a*c*b*b*d^-1,
b*d*c*c*a,
a*c^-1*c^-1*b^-1*d^-1,
c^-1*a^-1*a^-1*d*b^-1,
d*b^-1*a^-1*a^-1*c,
c^-1*a*d^-1*d^-1*b^-1,
d*b*b*a*c,
d^-1*a*d^-1*b*d^-1*c^-1,
c*b*d^-1*b*a*b,
d^-1*c^-1*a^-1*c^-1*b^-1*c^-1,
c*d*c*a^-1*c*b,
a^-1*b^-1*a^-1*c^-1*a^-1*d,
b^-1*a^-1*c*a^-1*d*a^-1,
a^-1*d*b*d*c*d,
b^-1*c^-1*b^-1*d^-1*b^-1*a^-1,
b*c*b*d*b*a,
a*d^-1*b^-1*d^-1*c^-1*d^-1,
b*a*c^-1*a*d^-1*a,
a*b*a*c*a*d^-1,
c^-1*d^-1*c^-1*a*c^-1*b^-1,
d*c*a*c*b*c,
c^-1*b^-1*d*b^-1*a^-1*b^-1,
d*a^-1*d*b^-1*d*c,
d^-1*b^-1*d^-1*a*d^-1*c^-1,
c*b*a*b*d*b,
d^-1*c^-1*b^-1*c^-1*a*c^-1,
c*a*c*d*c*b,
a^-1*c*a^-1*b^-1*a^-1*d,
b^-1*a^-1*d*a^-1*c^-1*a^-1,
a^-1*d*c*d*b^-1*d,
b^-1*d*b^-1*c^-1*b^-1*a^-1,
b*d^-1*b*c*b*a,
a*d^-1*c^-1*d^-1*b*d^-1,
b*a*d^-1*a*c*a,
a*c^-1*a*b*a*d^-1,
c^-1*a^-1*c^-1*d^-1*c^-1*b^-1,
d*c*b*c*a^-1*c,
c^-1*b^-1*a^-1*b^-1*d^-1*b^-1,
d*b*d*a^-1*d*c,
d^-1*a*c*b*c^-1*b^-1*c^-1,
c*d*c*d^-1*c^-1*a*b,
d^-1*a*d^-1*a^-1*d*b^-1*c^-1,
c*d*b^-1*a^-1*b*a*b,
a^-1*b^-1*d^-1*c^-1*d*c*d,
b^-1*c^-1*b^-1*c*b*d*a^-1,
a^-1*b^-1*a^-1*b*a*c*d,
b^-1*c^-1*a*d^-1*a^-1*d*a^-1,
b*c*a^-1*d*a*d^-1*a,
a*b*a*b^-1*a^-1*c^-1*d^-1,
b*c*b*c^-1*b^-1*d^-1*a,
a*b*d*c*d^-1*c^-1*d^-1,
c^-1*d^-1*b*a*b^-1*a^-1*b^-1,
d*a^-1*d*a*d^-1*b*c,
c^-1*d^-1*c^-1*d*c*a^-1*b^-1,
d*a^-1*c^-1*b^-1*c*b*c,
d^-1*b^-1*a^-1*d*c*d*c^-1,
c*b^-1*c^-1*b^-1*a^-1*d*b,
d^-1*c*a*b*c*d*c^-1,
c*a*d^-1*c^-1*b^-1*c^-1*b,
a^-1*c*b*a*d^-1*a*d,
b^-1*a*b*a*d^-1*c^-1*a^-1,
a^-1*d^-1*a*d^-1*c^-1*b^-1*d,
b^-1*a*b*c*d*b*a^-1,
b*d^-1*c^-1*b^-1*a^-1*b^-1*a,
a*d*a^-1*d*c*b*d^-1,
b*a^-1*b^-1*a^-1*d*c*a,
a*c^-1*b^-1*a^-1*d*a^-1*d^-1,
c^-1*a^-1*d*c*b*c*b^-1,
d*c^-1*d^-1*c^-1*b^-1*a^-1*c,
c^-1*b*c*b*a*d^-1*b^-1,
d*b*a*d^-1*c^-1*d^-1*c,
d^-1*a*c*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c^-1*a*b,
d^-1*a*d^-1*c^-1*b^-1*d*b^-1*c^-1,
c*d*b^-1*a*b*c*d*b,
a^-1*b^-1*d^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b*d*a^-1,
a^-1*b^-1*a^-1*d*c*a*c*d,
b^-1*c^-1*a*c^-1*b^-1*a^-1*d*a^-1,
b*c*a^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a^-1*c^-1*d^-1,
b*c*b*a*d^-1*b^-1*d^-1*a,
a*b*d*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c*a^-1*b^-1,
d*a^-1*c^-1*a^-1*d*c*b*c,
d^-1*a*d^-1*a*d^-1*c^-1*c^-1,
c*c*b*a*b*a*b,
d^-1*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*d*c*b*b,
a^-1*b^-1*a^-1*b^-1*a^-1*d*d,
b^-1*b^-1*a^-1*d*a^-1*d*a^-1,
a^-1*a^-1*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*a^-1,
b*c*b*c*b*a*a,
a*a*d^-1*c^-1*d^-1*c^-1*d^-1,
b*b*a*d^-1*a*d^-1*a,
a*b*a*b*a*d^-1*d^-1,
c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*b^-1,
d*d*c*b*c*b*c,
c^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d*c*c,
d^-1*a*d^-1*c^-1*b*c^-1,
c*d^-1*c*b*a*b,
d^-1*a^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*a^-1*b,
a^-1*b^-1*a^-1*d*c^-1*d,
b^-1*c*b^-1*a^-1*d*a^-1,
a^-1*b*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d^-1*a^-1,
b*c*b*a*d*a,
a*b^-1*a*d^-1*c^-1*d^-1,
b*c^-1*b*a*d^-1*a,
a*b*a*d^-1*c*d^-1,
c^-1*d^-1*c^-1*b^-1*a*b^-1,
d*a*d*c*b*c,
c^-1*d*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b^-1*c,
d^-1*b^-1*b^-1*d^-1*c^-1,
c*b*d*d*b,
d^-1*c^-1*a*a*c^-1,
c*a*a*c*b,
a^-1*c*c*a^-1*d,
b^-1*a^-1*c^-1*c^-1*a^-1,
a^-1*d*b^-1*b^-1*d,
b^-1*d*d*b^-1*a^-1,
b*d^-1*d^-1*b*a,
a*d^-1*b*b*d^-1,
b*a*c*c*a,
a*c^-1*c^-1*a*d^-1,
c^-1*a^-1*a^-1*c^-1*b^-1,
d*c*a^-1*a^-1*c,
c^-1*b^-1*d^-1*d^-1*b^-1,
d*b*b*d*c,
d^-1*a*d*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b^-1*a*b,
d^-1*a*d^-1*c^-1*b^-1*c*b^-1*c^-1,
c*d*c^-1*a*b*c*d*b,
a^-1*b^-1*a*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a*d*a^-1,
a^-1*b^-1*a^-1*d*c*d^-1*c*d,
b^-1*c^-1*b*c^-1*b^-1*a^-1*d*a^-1,
b*c*b^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d*c^-1*d^-1,
b*c*b*a*d^-1*a^-1*d^-1*a,
a*b*a^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b*a^-1*b^-1,
d*a^-1*d^-1*a^-1*d*c*b*c,
d^-1*a*d^-1*c^-1*c^-1*c^-1,
c*c*c*b*a*b,
d^-1*d^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*b*b,
a^-1*b^-1*a^-1*d*d*d,
b^-1*b^-1*b^-1*a^-1*d*a^-1,
a^-1*a^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*a^-1*a^-1,
b*c*b*a*a*a,
a*a*a*d^-1*c^-1*d^-1,
b*b*b*a*d^-1*a,
a*b*a*d^-1*d^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*b^-1*b^-1,
d*d*d*c*b*c,
c^-1*c^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*c*c,
d^-1*b^-1*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*d*b,
d^-1*c^-1*d^-1*c^-1*a*c^-1,
c*a*c*b*c*b,
a^-1*c*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*c^-1*a^-1,
a^-1*d*a^-1*d*b^-1*d,
b^-1*d*b^-1*a^-1*b^-1*a^-1,
b*d^-1*b*a*b*a,
a*d^-1*a*d^-1*b*d^-1,
b*a*b*a*c*a,
a*c^-1*a*d^-1*a*d^-1,
c^-1*a^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*a^-1*c,
c^-1*b^-1*c^-1*b^-1*d^-1*b^-1,
d*b*d*c*d*c,
d^-1*b^-1*a^-1*b^-1*d^-1*c^-1,
c*b*d*a^-1*d*b,
d^-1*c^-1*a*b*a*c^-1,
c*a*d^-1*a*c*b,
a^-1*c*b*c*a^-1*d,
b^-1*a^-1*c^-1*d^-1*c^-1*a^-1,
a^-1*d*b^-1*c^-1*b^-1*d,
b^-1*d*c*d*b^-1*a^-1,
b*d^-1*c^-1*d^-1*b*a,
a*d^-1*b*c*b*d^-1,
b*a*c*d*c*a,
a*c^-1*b^-1*c^-1*a*d^-1,
c^-1*a^-1*d*a^-1*c^-1*b^-1,
d*c*a^-1*b^-1*a^-1*c,
c^-1*b^-1*d^-1*a*d^-1*b^-1,
d*b*a*b*d*c,
d^-1*a*d^-1*c^-1*d^-1*c^-1*c^-1,
c*c*b*c*b*a*b,
d^-1*d^-1*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*b*b,
a^-1*b^-1*a^-1*d*a^-1*d*d,
b^-1*b^-1*a^-1*b^-1*a^-1*d*a^-1,
a^-1*a^-1*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*a^-1*a^-1,
b*c*b*a*b*a*a,
a*a*d^-1*a*d^-1*c^-1*d^-1,
b*b*a*b*a*d^-1*a,
a*b*a*d^-1*a*d^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*c^-1*b^-1*b^-1,
d*d*c*d*c*b*c,
c^-1*c^-1*b^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d*c*c,
d^-1*a*d^-1*c^-1*c^-1*d^-1*c^-1,
c*b*c*c*b*a*b,
d^-1*c^-1*d^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*b*c*b,
a^-1*b^-1*a^-1*d*d*a^-1*d,
b^-1*a^-1*b^-1*b^-1*a^-1*d*a^-1,
a^-1*d*a^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*a^-1*b^-1*a^-1,
b*c*b*a*a*b*a,
a*d^-1*a*a*d^-1*c^-1*d^-1,
b*a*b*b*a*d^-1*a,
a*b*a*d^-1*d^-1*a*d^-1,
c^-1*d^-1*c^-1*b^-1*b^-1*c^-1*b^-1,
d*c*d*d*c*b*c,
c^-1*b^-1*c^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*c*d*c,
d^-1*b^-1*d^-1*d^-1*c^-1,
c*b*b*d*b,
d^-1*c^-1*c^-1*a*c^-1,
c*a*c*c*b,
a^-1*c*a^-1*a^-1*d,
b^-1*a^-1*a^-1*c^-1*a^-1,
a^-1*d*d*b^-1*d,
b^-1*d*b^-1*b^-1*a^-1,
b*d^-1*b*b*a,
a*d^-1*d^-1*b*d^-1,
b*a*a*c*a,
a*c^-1*a*a*d^-1,
c^-1*a^-1*c^-1*c^-1*b^-1,
d*c*c*a^-1*c,
c^-1*b^-1*b^-1*d^-1*b^-1,
d*b*d*d*c,
d^-1*d^-1*b^-1*d^-1*c^-1,
c*b*d*b*b,
d^-1*c^-1*a*c^-1*c^-1,
c*c*a*c*b,
a^-1*a^-1*c*a^-1*d,
b^-1*a^-1*c^-1*a^-1*a^-1,
a^-1*d*b^-1*d*d,
b^-1*b^-1*d*b^-1*a^-1,
b*b*d^-1*b*a,
a*d^-1*b*d^-1*d^-1,
b*a*c*a*a,
a*a*c^-1*a*d^-1,
c^-1*c^-1*a^-1*c^-1*b^-1,
d*c*a^-1*c*c,
c^-1*b^-1*d^-1*b^-1*b^-1,
d*d*b*d*c,
d^-1*a*a*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*a*b*c*d*a*b,
d^-1*a*d^-1*a*d^-1*c^-1*b^-1*b^-1*c^-1,
c*d*a*b*c*d*b*a*b,
a^-1*b^-1*b^-1*a^-1*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*d*d*a^-1,
a^-1*b^-1*a^-1*b^-1*a^-1*d*c*c*d,
b^-1*c^-1*c^-1*b^-1*a^-1*d*a^-1*d*a^-1,
b*c*c*b*a*d^-1*a*d^-1*a,
a*b*a*b*a*d^-1*c^-1*c^-1*d^-1,
b*c*b*c*b*a*d^-1*d^-1*a,
a*b*b*a*d^-1*c^-1*d^-1*c^-1*d^-1,
c^-1*d^-1*d^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d*c*b*b*c,
c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*d*c*b*c*b*c,
d^-1*a*d^-1*c^-1*d^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b*c*b*a*b,
d^-1*a*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*a*b*c*d*b,
a^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*b*a*b*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d^-1*a*d^-1*c^-1*d^-1,
b*c*b*a*d^-1*a*b*a*d^-1*a,
a*b*a*d^-1*a*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c*d*c*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d*a^-1*d*c*b*c,
d^-1*a*d^-1*c^-1*d^-1*d^-1*c^-1,
c*b*b*c*b*a*b,
d^-1*c^-1*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*c*b,
a^-1*b^-1*a^-1*d*a^-1*a^-1*d,
b^-1*a^-1*a^-1*b^-1*a^-1*d*a^-1,
a^-1*d*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*b^-1*a^-1,
b*c*b*a*b*b*a,
a*d^-1*d^-1*a*d^-1*c^-1*d^-1,
b*a*a*b*a*d^-1*a,
a*b*a*d^-1*a*a*d^-1,
c^-1*d^-1*c^-1*b^-1*c^-1*c^-1*b^-1,
d*c*c*d*c*b*c,
c^-1*b^-1*b^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d*d*c,
d^-1*b*a^-1*b,
d^-1*a^-1*d^-1*b,
a^-1*b*a^-1*c^-1,
c*a^-1*d^-1*a^-1,
a^-1*c^-1*b*c^-1,
c*d^-1*c*a^-1,
b*c^-1*b*d,
b^-1*d^-1*c*d^-1,
b*d*c^-1*d,
b^-1*c*b^-1*d^-1,
c^-1*d*c^-1*a,
a*c*b^-1*c,
c^-1*a*d*a,
a*b^-1*a*c,
d*a*d*b^-1,
d*b^-1*a*b^-1,
d^-1*a*d^-1*b*d*c^-1,
c*b^-1*d^-1*b*a*b,
d^-1*c*a^-1*c^-1*b^-1*c^-1,
c*d*c*a^-1*c^-1*b,
a^-1*b^-1*a^-1*c^-1*a*d,
b^-1*a*c*a^-1*d*a^-1,
a^-1*d^-1*b*d*c*d,
b^-1*c^-1*b^-1*d^-1*b*a^-1,
b*c*b*d*b^-1*a,
a*d*b^-1*d^-1*c^-1*d^-1,
b*a^-1*c^-1*a*d^-1*a,
a*b*a*c*a^-1*d^-1,
c^-1*d^-1*c^-1*a*c*b^-1,
d*c^-1*a*c*b*c,
c^-1*b*d*b^-1*a^-1*b^-1,
d*a^-1*d*b^-1*d^-1*c,
d^-1*b^-1*d*a*d^-1*c^-1,
c*b*a*b^-1*d*b,
d^-1*c^-1*b^-1*c*a*c^-1,
c*a*c^-1*d*c*b,
a^-1*c*a*b^-1*a^-1*d,
b^-1*a^-1*d*a*c^-1*a^-1,
a^-1*d*c*d^-1*b^-1*d,
b^-1*d*b*c^-1*b^-1*a^-1,
b*d^-1*b^-1*c*b*a,
a*d^-1*c^-1*d*b*d^-1,
b*a*d^-1*a^-1*c*a,
a*c^-1*a^-1*b*a*d^-1,
c^-1*a^-1*c*d^-1*c^-1*b^-1,
d*c*b*c^-1*a^-1*c,
c^-1*b^-1*a^-1*b*d^-1*b^-1,
d*b*d^-1*a^-1*d*c,
d^-1*a*d*a^-1*d^-1*a*c^-1,
c*a*b*a^-1*b^-1*a*b,
d^-1*b^-1*c^-1*b*c*b^-1*c^-1,
c*d*c^-1*d^-1*c*d*b,
a^-1*b^-1*a*b*a^-1*b^-1*d,
b^-1*d*a^-1*d^-1*a*d*a^-1,
a^-1*c*d*c^-1*d^-1*c*d,
b^-1*c^-1*b*c*b^-1*c^-1*a^-1,
b*c*b^-1*c^-1*b*c*a,
a*c^-1*d^-1*c*d*c^-1*d^-1,
b*d^-1*a*d*a^-1*d^-1*a,
a*b*a^-1*b^-1*a*b*d^-1,
c^-1*d^-1*c*d*c^-1*d^-1*b^-1,
d*b*c*b^-1*c^-1*b*c,
c^-1*a^-1*b^-1*a*b*a^-1*b^-1,
d*a^-1*d^-1*a*d*a^-1*c,
d^-1*a*c*a^-1*c^-1*b^-1*c^-1,
c*d*c*a^-1*c^-1*a*b,
d^-1*a*d^-1*b*d*b^-1*c^-1,
c*d*b^-1*d^-1*b*a*b,
a^-1*b^-1*d^-1*b*d*c*d,
b^-1*c^-1*b^-1*d^-1*b*d*a^-1,
a^-1*b^-1*a^-1*c^-1*a*c*d,
b^-1*c^-1*a*c*a^-1*d*a^-1,
b*c*a^-1*c^-1*a*d^-1*a,
a*b*a*c*a^-1*c^-1*d^-1,
b*c*b*d*b^-1*d^-1*a,
a*b*d*b^-1*d^-1*c^-1*d^-1,
c^-1*d^-1*b*d*b^-1*a^-1*b^-1,
d*a^-1*d*b^-1*d^-1*b*c,
c^-1*d^-1*c^-1*a*c*a^-1*b^-1,
d*a^-1*c^-1*a*c*b*c,
d^-1*a*d^-1*b^-1*a^-1*d*c^-1,
c*b^-1*a^-1*d*b*a*b,
d^-1*c*b*a*c^-1*b^-1*c^-1,
c*d*c*a*d^-1*c^-1*b,
a^-1*b^-1*a^-1*c*b*a*d,
b^-1*a*d^-1*c^-1*a^-1*d*a^-1,
a^-1*d^-1*c^-1*b^-1*d*c*d,
b^-1*c^-1*b^-1*d*c*b*a^-1,
b*c*b*d^-1*c^-1*b^-1*a,
a*d*c*b*d^-1*c^-1*d^-1,
b*a^-1*d*c*a*d^-1*a,
a*b*a*c^-1*b^-1*a^-1*d^-1,
c^-1*d^-1*c^-1*a^-1*d*c*b^-1,
d*c^-1*b^-1*a^-1*c*b*c,
c^-1*b*a*d^-1*b^-1*a^-1*b^-1,
d*a^-1*d*b*a*d^-1*c,
d^-1*a*c*d*c*b*c^-1,
c*d^-1*c^-1*b^-1*c^-1*a*b,
d^-1*a^-1*d*c*d*b^-1*c^-1,
c*d*b^-1*c^-1*b^-1*a^-1*b,
a^-1*b^-1*d^-1*a*d^-1*c^-1*d,
b^-1*c*b*a*b*d*a^-1,
a^-1*b*a*d^-1*a*c*d,
b^-1*c^-1*a*b*a*d^-1*a^-1,
b*c*a^-1*b^-1*a^-1*d*a,
a*b^-1*a^-1*d*a^-1*c^-1*d^-1,
b*c^-1*b^-1*a^-1*b^-1*d^-1*a,
a*b*d*a^-1*d*c*d^-1,
c^-1*d^-1*b*c*b*a*b^-1,
d*a*d^-1*c^-1*d^-1*b*c,
c^-1*d*c*b*c*a^-1*b^-1,
d*a^-1*c^-1*d^-1*c^-1*b^-1*c,
d^-1*d^-1*b*d^-1*c^-1,
c*b*d^-1*b*b,
d^-1*c^-1*a^-1*c^-1*c^-1,
c*c*a^-1*c*b,
a^-1*a^-1*c^-1*a^-1*d,
b^-1*a^-1*c*a^-1*a^-1,
a^-1*d*b*d*d,
b^-1*b^-1*d^-1*b^-1*a^-1,
b*b*d*b*a,
a*d^-1*b^-1*d^-1*d^-1,
b*a*c^-1*a*a,
a*a*c*a*d^-1,
c^-1*c^-1*a*c^-1*b^-1,
d*c*a*c*c,
c^-1*b^-1*d*b^-1*b^-1,
d*d*b^-1*d*c,
d^-1*b^-1*d*b*a*d^-1*c^-1,
c*b*a*d^-1*b^-1*d*b,
d^-1*c^-1*b^-1*a^-1*c*a*c^-1,
c*a*c^-1*a^-1*d*c*b,
a^-1*c*a*c^-1*b^-1*a^-1*d,
b^-1*a^-1*d*c*a*c^-1*a^-1,
a^-1*d*c*b*d^-1*b^-1*d,
b^-1*d*b*d^-1*c^-1*b^-1*a^-1,
b*d^-1*b^-1*a*b*c*d,
a*d^-1*c^-1*b^-1*d*b*d^-1,
b*a*d^-1*c^-1*a^-1*c*a,
a*c^-1*a^-1*c*b*a*d^-1,
c^-1*a^-1*c*a*d^-1*c^-1*b^-1,
a*b*c*d*c^-1*a^-1*c,
c^-1*b^-1*a^-1*d*b*d^-1*b^-1,
d*b*d^-1*b^-1*a^-1*d*c,
d^-1*b*d^-1*d^-1*c^-1,
c*b*b*d^-1*b,
d^-1*c^-1*c^-1*a^-1*c^-1,
c*a^-1*c*c*b,
a^-1*c^-1*a^-1*a^-1*d,
b^-1*a^-1*a^-1*c*a^-1,
a^-1*d*d*b*d,
b^-1*d^-1*b^-1*b^-1*a^-1,
b*d*b*b*a,
a*d^-1*d^-1*b^-1*d^-1,
b*a*a*c^-1*a,
a*c*a*a*d^-1,
c^-1*a*c^-1*c^-1*b^-1,
d*c*c*a*c,
c^-1*b^-1*b^-1*d*b^-1,
d*b^-1*d*d*c,
b*a*b^-1*a^-1*d*b^-1*a^-1,
a^-1*d*b^-1*a^-1*d*a*d^-1,
b*a*c*b*a*b^-1*a^-1,
a^-1*d*a*d^-1*c^-1*a*d^-1,
c^-1*b^-1*c*b*a*c*b,
d^-1*c^-1*a*d^-1*c^-1*d*c,
c^-1*b^-1*d^-1*c^-1*b^-1*c*b,
d^-1*c^-1*d*c*b*d*c,
d*c*d^-1*c^-1*b^-1*d^-1*c^-1,
c*b*d*c*b*c^-1*b^-1,
d*c*a^-1*d*c*d^-1*c^-1,
c*b*c^-1*b^-1*a^-1*c^-1*b^-1,
a*d^-1*a^-1*d*c*a^-1*d,
b^-1*a^-1*c^-1*b^-1*a^-1*b*a,
a*d^-1*b*a*d^-1*a^-1*d,
b^-1*a^-1*b*a*d^-1*b*a,
d^-1*a*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b^-1*c^-1,
c*d*c*a^-1*d*c*b*c*a*b,
d^-1*a*d^-1*b*a*d^-1*c^-1*d^-1*b^-1*c^-1,
c*d*b*c*b*a*d^-1*b*a*b,
a^-1*b^-1*d*a^-1*d*c*b*d*c*d,
b^-1*c^-1*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*d*a^-1,
a^-1*b^-1*a^-1*c^-1*b^-1*a^-1*d*a^-1*c*d,
b*c*a*b*a*d^-1*c^-1*a*d^-1*a,
d^-1*a*b^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*d*a*b,
d^-1*a*d^-1*c^-1*b^-1*a*b^-1*c^-1,
c*d*a*a*b*c*d*b,
a^-1*b^-1*c*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*c^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*b^-1*c*d,
b^-1*c^-1*d*c^-1*b^-1*a^-1*d*a^-1,
b*c*d^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*b*c^-1*d^-1,
b*c*b*a*d^-1*c*d^-1*a,
a*b*c^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*a^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*a^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*d^-1*a^-1*b^-1,
d*a^-1*b*a^-1*d*c*b*c,
d^-1*a*d^-1*a*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*a*b*a*b,
d^-1*c^-1*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*d*c*b*c*b,
a^-1*b^-1*a^-1*b^-1*a^-1*d*a^-1*d,
a^-1*d*a^-1*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*b^-1*a^-1,
b*a*b*a*d^-1*a*d^-1*a,
d^-1*b*c*b*d^-1*c^-1,
d^-1*c^-1*a^-1*d*a^-1*c^-1,
c*a^-1*b^-1*a^-1*c*b,
a^-1*d*b*a*b*d,
b^-1*d^-1*a*d^-1*b^-1*a^-1,
b*a*c^-1*b^-1*c^-1*a,
a*c*d*c*a*d^-1,
c^-1*b^-1*d*c*d*b^-1,
d^-1*d^-1*b*b,
a^-1*a^-1*c^-1*c^-1,
c*c*a^-1*a^-1,
b*b*d*d,
b^-1*b^-1*d^-1*d^-1,
c^-1*c^-1*a*a,
a*a*c*c,
d*d*b^-1*b^-1,
d^-1*a*a*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*a*a*b,
d^-1*a*d^-1*c^-1*b^-1*b^-1*b^-1*c^-1,
c*d*d*a*b*c*d*b,
a^-1*b^-1*b^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*d*d*a^-1,
a^-1*b^-1*a^-1*d*c*c*c*d,
b^-1*c^-1*c^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*c*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*c^-1*c^-1*d^-1,
b*c*b*a*d^-1*d^-1*d^-1*a,
a*b*b*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*d^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*b*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*a^-1*d*c*b*c,
d^-1*b*b*d^-1*c^-1,
c*b*d^-1*d^-1*b,
d^-1*c^-1*a^-1*a^-1*c^-1,
c*a^-1*a^-1*c*b,
a^-1*c^-1*c^-1*a^-1*d,
b^-1*a^-1*c*c*a^-1,
a^-1*d*b*b*d,
b^-1*d^-1*d^-1*b^-1*a^-1,
b*d*d*b*a,
a*d^-1*b^-1*b^-1*d^-1,
b*a*c^-1*c^-1*a,
a*c*c*a*d^-1,
c^-1*a*a*c^-1*b^-1,
d*c*a*a*c,
c^-1*b^-1*d*d*b^-1,
d*b^-1*b^-1*d*c,
d^-1*a*c^-1*d^-1*c^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c*b*c*a*b,
d^-1*a*d^-1*c^-1*b^-1*d^-1*c^-1*d^-1*b^-1*c^-1,
c*d*b*c*b*a*b*c*d*b,
a^-1*b^-1*d*a^-1*d*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b^-1*a^-1*b^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*a^-1*d*a^-1*c*d,
b^-1*c^-1*a^-1*b^-1*a^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*a*b*a*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a*d^-1*a*c^-1*d^-1,
b*c*b*a*d^-1*b*a*b*d^-1*a,
a*b*d^-1*a*d^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b^-1*c^-1*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d*c*d*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b^-1*c^-1*a^-1*b^-1,
d*a^-1*c*d*c*a^-1*d*c*b*c,
d^-1*a*d^-1*c^-1*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*c*b*a*b,
d^-1*c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*b*c*b,
a^-1*b^-1*a^-1*d*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*b^-1*a^-1*d*a^-1,
a^-1*d*a^-1*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1*a^-1,
b*c*b*a*b*a*b*a,
a*d^-1*a*d^-1*a*d^-1*c^-1*d^-1,
b*a*b*a*b*a*d^-1*a,
a*b*a*d^-1*a*d^-1*a*d^-1,
c^-1*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*d*c*b*c,
c^-1*b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d*c*d*c,
d^-1*b*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*d^-1*b,
d^-1*c^-1*d^-1*c^-1*a^-1*c^-1,
c*a^-1*c*b*c*b,
a^-1*c^-1*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*c*a^-1,
a^-1*d*a^-1*d*b*d,
b^-1*d^-1*b^-1*a^-1*b^-1*a^-1,
b*d*b*a*b*a,
a*d^-1*a*d^-1*b^-1*d^-1,
b*a*b*a*c^-1*a,
a*c*a*d^-1*a*d^-1,
c^-1*a*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*a*c,
c^-1*b^-1*c^-1*b^-1*d*b^-1,
d*b^-1*d*c*d*c,
d^-1*b*b*b,
d^-1*d^-1*d^-1*b,
a^-1*a^-1*a^-1*c^-1,
c*a^-1*a^-1*a^-1,
a^-1*c^-1*c^-1*c^-1,
c*c*c*a^-1,
b*b*b*d,
b^-1*d^-1*d^-1*d^-1,
b*d*d*d,
b^-1*b^-1*b^-1*d^-1,
c^-1*c^-1*c^-1*a,
a*c*c*c,
c^-1*a*a*a,
a*a*a*c,
d*d*d*b^-1,
d*b^-1*b^-1*b^-1,
d^-1*a*d*c*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c^-1*b^-1*a*b,
d^-1*a*d^-1*c^-1*d*c*b^-1*c^-1,
c*d*c^-1*b^-1*c*b*a*b,
a^-1*b^-1*a*d^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b*a*d*a^-1,
a^-1*b^-1*a^-1*d*a*d^-1*c*d,
b^-1*c^-1*b*a*b^-1*a^-1*d*a^-1,
b*c*b^-1*a^-1*b*a*d^-1*a,
a*b*a*d^-1*a^-1*d*c^-1*d^-1,
b*c*b*a*b^-1*a^-1*d^-1*a,
a*b*a^-1*d*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c*b*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d^-1*c^-1*b*c,
c^-1*d^-1*c^-1*b^-1*c*b*a^-1*b^-1,
d*a^-1*d^-1*c^-1*d*c*b*c,
d^-1*a*c*b*c^-1*c^-1,
c*c*d^-1*c^-1*a*b,
d^-1*a*d^-1*c^-1*b^-1*c*d*c^-1,
c*b^-1*c^-1*a*b*c*d*b,
d^-1*c*d*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b^-1*c^-1*b,
d^-1*d^-1*a^-1*d*b^-1*c^-1,
c*d*b^-1*a^-1*b*b,
a^-1*b^-1*d^-1*c^-1*d*d,
b^-1*b^-1*c*b*d*a^-1,
a^-1*b^-1*a^-1*d*c*d^-1*a*d,
b^-1*a*b*c^-1*b^-1*a^-1*d*a^-1,
a^-1*d^-1*a*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a*b*a^-1,
a^-1*a^-1*b*a*c*d,
b^-1*c^-1*a*d^-1*a^-1*a^-1,
b*c*a^-1*d*a*a,
a*a*b^-1*a^-1*c^-1*d^-1,
b*c*b*a*d^-1*a^-1*b^-1*a,
a*d*a^-1*b*a*d^-1*c^-1*d^-1,
b*a^-1*b^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d*a^-1*d^-1,
b*b*c^-1*b^-1*d^-1*a,
a*b*d*c*d^-1*d^-1,
c^-1*d^-1*b*a*b^-1*b^-1,
d*d*a*d^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b*c*b^-1,
d*c^-1*d^-1*a^-1*d*c*b*c,
c^-1*b*c*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c^-1*d^-1*c,
c^-1*c^-1*d*c*a^-1*b^-1,
d*a^-1*c^-1*b^-1*c*c,
d^-1*b^-1*a^-1*d*d*c^-1,
c*b^-1*b^-1*a^-1*d*b,
d^-1*c*c*b*a*c^-1,
c*a*d^-1*c^-1*c^-1*b,
a^-1*c*b*a*a*d,
b^-1*a*a*d^-1*c^-1*a^-1,
a^-1*d^-1*d^-1*c^-1*b^-1*d,
b^-1*d*c*b*b*a^-1,
b*d^-1*c^-1*b^-1*b^-1*a,
a*d*d*c*b*d^-1,
b*a^-1*a^-1*d*c*a,
a*c^-1*b^-1*a^-1*a^-1*d^-1,
c^-1*a^-1*d*c*c*b^-1,
d*c^-1*c^-1*b^-1*a^-1*c,
c^-1*b*b*a*d^-1*b^-1,
d*b*a*d^-1*d^-1*c,
d^-1*a*a*d^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b*a*a*b,
d^-1*a*d^-1*c^-1*b^-1*c^-1*b^-1*b^-1*c^-1,
c*d*d*c*a*b*c*d*b,
a^-1*b^-1*b^-1*a^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a^-1*d*d*a^-1,
a^-1*b^-1*a^-1*d*c*d*c*c*d,
b^-1*c^-1*c^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*c*b*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d^-1*c^-1*c^-1*d^-1,
b*c*b*a*d^-1*a*d^-1*d^-1*a,
a*b*b*a*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*d^-1*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c*b*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*d*a^-1*d*c*b*c,
d^-1*a*d^-1*a*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*a*b*a*b,
d^-1*a*d^-1*c^-1*b^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*d*a*b*c*d*b,
a^-1*b^-1*a^-1*b^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*d*a^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*b*c*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*c^-1*d^-1*c^-1*d^-1,
b*c*b*a*d^-1*d^-1*a*d^-1*a,
a*b*a*b*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*d^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*b*c*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*a^-1*d*c*b*c,
d^-1*a^-1*b*d^-1*c^-1,
c*b*d^-1*a^-1*b,
d^-1*c^-1*a^-1*b*c^-1,
c*d^-1*a^-1*c*b,
a^-1*b*c^-1*a^-1*d,
b^-1*a^-1*c*d^-1*a^-1,
a^-1*d*b*c^-1*d,
b^-1*c*d^-1*b^-1*a^-1,
b*c^-1*d*b*a,
a*d^-1*b^-1*c*d^-1,
b*a*c^-1*d*a,
a*b^-1*c*a*d^-1,
c^-1*d*a*c^-1*b^-1,
d*c*a*b^-1*c,
c^-1*b^-1*d*a*b^-1,
d*a*b^-1*d*c,
d^-1*b*a^-1*d^-1*c^-1,
c*b*a^-1*d^-1*b,
d^-1*c^-1*b*a^-1*c^-1,
c*a^-1*d^-1*c*b,
a^-1*c^-1*b*a^-1*d,
b^-1*a^-1*d^-1*c*a^-1,
a^-1*d*c^-1*b*d,
b^-1*d^-1*c*b^-1*a^-1,
b*d*c^-1*b*a,
a*d^-1*c*b^-1*d^-1,
b*a*d*c^-1*a,
a*c*b^-1*a*d^-1,
c^-1*a*d*c^-1*b^-1,
d*c*b^-1*a*c,
c^-1*b^-1*a*d*b^-1,
d*b^-1*a*d*c,
d^-1*a*a*d^-1*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*b*a*a*b,
d^-1*a*d^-1*c^-1*d^-1*c^-1*b^-1*b^-1*c^-1,
c*d*d*c*b*c*b*a*b,
a^-1*b^-1*b^-1*a^-1*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*a^-1*d*d*a^-1,
a^-1*b^-1*a^-1*d*a^-1*d*c*c*d,
b^-1*c^-1*c^-1*b^-1*a^-1*b^-1*a^-1*d*a^-1,
b*c*c*b*a*b*a*d^-1*a,
a*b*a*d^-1*a*d^-1*c^-1*c^-1*d^-1,
b*c*b*a*b*a*d^-1*d^-1*a,
a*b*b*a*d^-1*a*d^-1*c^-1*d^-1,
c^-1*d^-1*d^-1*c^-1*b^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d*c*b*b*c,
c^-1*d^-1*c^-1*b^-1*c^-1*b^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*d*c*d*c*b*c,
d^-1*a*d^-1*a*b*a*d^-1*c^-1*c^-1,
c*c*b*a*d^-1*a*b*a*b,
d^-1*d^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*d*a^-1*d*c*b*b,
a^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*d*d,
b^-1*b^-1*a^-1*d*c*d*a^-1*d*a^-1,
a^-1*a^-1*d*c*b*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*a^-1*a^-1,
b*c*b*c*a*b*c*d*a,
a*a*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*d^-1,
b*b*a*d^-1*c^-1*d^-1*a*d^-1*a,
a*b*a*b*c*b*a*d^-1*d^-1,
c^-1*d^-1*c^-1*d^-1*a*d^-1*c^-1*b^-1*b^-1,
d*a*b*c*d*b*c*b*c,
c^-1*c^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*b^-1*a^-1*d*c*c,
d^-1*a*d^-1*c^-1*d^-1*b*c^-1,
c*d^-1*b*c*b*a*b,
d^-1*a^-1*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*a^-1*b,
a^-1*b^-1*a^-1*d*a^-1*c^-1*d,
b^-1*c*a^-1*b^-1*a^-1*d*a^-1,
a^-1*b*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*d^-1*a^-1,
b*c*b*a*b*d*a,
a*b^-1*d^-1*a*d^-1*c^-1*d^-1,
b*c^-1*a*b*a*d^-1*a,
a*b*a*d^-1*a*c*d^-1,
c^-1*d^-1*c^-1*b^-1*c^-1*a*b^-1,
d*a*c*d*c*b*c,
c^-1*d*b^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d*b^-1*c,
d^-1*a*d^-1*c^-1*b*d^-1*c^-1,
c*b*d^-1*c*b*a*b,
d^-1*c^-1*a^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*a^-1*c*b,
a^-1*b^-1*a^-1*d*c^-1*a^-1*d,
b^-1*a^-1*c*b^-1*a^-1*d*a^-1,
a^-1*d*b*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d^-1*b^-1*a^-1,
b*c*b*a*d*b*a,
a*d^-1*b^-1*a*d^-1*c^-1*d^-1,
b*a*c^-1*b*a*d^-1*a,
a*b*a*d^-1*c*a*d^-1,
c^-1*d^-1*c^-1*b^-1*a*c^-1*b^-1,
d*c*a*d*c*b*c,
c^-1*b^-1*d*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b^-1*d*c,
d^-1*a*d^-1*a*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*a*b*c*d*b*a*b,
a^-1*b^-1*a^-1*b^-1*a^-1*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1*d*a^-1,
b*c*b*c*b*a*d^-1*a*d^-1*a,
a*b*a*b*a*d^-1*c^-1*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d*c*b*c*b*c,
d^-1*a*d^-1*d^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b*b*a*b,
d^-1*a*d^-1*c^-1*b^-1*c^-1*c^-1*b^-1*c^-1,
c*d*c*c*a*b*c*d*b,
a^-1*b^-1*a^-1*a^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a^-1*a^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*d*d*c*d,
b^-1*c^-1*b^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*b*b*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d^-1*d^-1*c^-1*d^-1,
b*c*b*a*d^-1*a*a*d^-1*a,
a*b*a*a*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c*c*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*b^-1*a^-1*b^-1,
d*a^-1*d*d*a^-1*d*c*b*c,
d^-1*a^-1*b^-1*a^-1*d^-1*c^-1,
c*b*a^-1*d*a^-1*b,
d^-1*c^-1*b*a*b*c^-1,
c*d^-1*a*d^-1*c*b,
a^-1*d*c^-1*b^-1*c^-1*d,
b^-1*c*d*c*b^-1*a^-1,
b*a*d*c*d*a,
a*b^-1*c^-1*b^-1*a*d^-1,
d^-1*a*d*c*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c^-1*b^-1*a*b,
d^-1*a*d^-1*c^-1*b^-1*d*c*b^-1*c^-1,
c*d*c^-1*b^-1*a*b*c*d*b,
a^-1*b^-1*a*d^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b*a*d*a^-1,
a^-1*b^-1*a^-1*d*c*a*d^-1*c*d,
b^-1*c^-1*b*a*c^-1*b^-1*a^-1*d*a^-1,
b*c*b^-1*a^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a^-1*d*c^-1*d^-1,
b*c*b*a*d^-1*b^-1*a^-1*d^-1*a,
a*b*a^-1*d*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c*b*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d^-1*c^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c*b*a^-1*b^-1,
d*a^-1*d^-1*c^-1*a^-1*d*c*b*c,
d^-1*a*c*d*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b^-1*c^-1*a*b,
d^-1*a*d^-1*c^-1*b^-1*c*d*b^-1*c^-1,
c*d*b^-1*c^-1*a*b*c*d*b,
a^-1*b^-1*d^-1*a*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a*b*d*a^-1,
a^-1*b^-1*a^-1*d*c*d^-1*a*c*d,
b^-1*c^-1*a*b*c^-1*b^-1*a^-1*d*a^-1,
b*c*a^-1*b^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d*a^-1*c^-1*d^-1,
b*c*b*a*d^-1*a^-1*b^-1*d^-1*a,
a*b*d*a^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b*c*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c^-1*d^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b*c*a^-1*b^-1,
d*a^-1*c^-1*d^-1*a^-1*d*c*b*c,
d^-1*a*d^-1*a*d^-1*b*c^-1,
c*d^-1*b*a*b*a*b,
d^-1*a^-1*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*d*c*a^-1*b,
a^-1*b^-1*a^-1*b^-1*a^-1*c^-1*d,
b^-1*c*a^-1*d*a^-1*d*a^-1,
a^-1*b*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*d^-1*a^-1,
b*c*b*c*b*d*a,
a*b^-1*d^-1*c^-1*d^-1*c^-1*d^-1,
b*c^-1*a*d^-1*a*d^-1*a,
a*b*a*b*a*c*d^-1,
c^-1*d^-1*c^-1*d^-1*c^-1*a*b^-1,
d*a*c*b*c*b*c,
c^-1*d*b^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d*b^-1*c,
d^-1*b^-1*a*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*a*d*b,
d^-1*c^-1*d^-1*c^-1*b^-1*a*c^-1,
c*a*d*c*b*c*b,
a^-1*c*b^-1*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*d*c^-1*a^-1,
a^-1*d*a^-1*d*c*b^-1*d,
b^-1*d*c^-1*b^-1*a^-1*b^-1*a^-1,
b*d^-1*c*b*a*b*a,
a*d^-1*a*d^-1*c^-1*b*d^-1,
b*a*b*a*d^-1*c*a,
a*c^-1*b*a*d^-1*a*d^-1,
c^-1*a^-1*d^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*b*a^-1*c,
c^-1*b^-1*c^-1*b^-1*a^-1*d^-1*b^-1,
d*b*a^-1*d*c*d*c,
d^-1*a*c^-1*a*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*a*b*c*d*c*a*b,
d^-1*a*d^-1*a*d^-1*c^-1*b^-1*d^-1*b^-1*c^-1,
c*d*b*a*b*c*d*b*a*b,
a^-1*b^-1*d*b^-1*a^-1*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*d*b^-1*d*a^-1,
a^-1*b^-1*a^-1*b^-1*a^-1*d*c*a^-1*c*d,
b^-1*c^-1*a^-1*c^-1*b^-1*a^-1*d*a^-1*d*a^-1,
b*c*a*c*b*a*d^-1*a*d^-1*a,
a*b*a*b*a*d^-1*c^-1*a*c^-1*d^-1,
b*c*b*c*b*a*d^-1*b*d^-1*a,
a*b*d^-1*b*a*d^-1*c^-1*d^-1*c^-1*d^-1,
c^-1*d^-1*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d*c*b*d*b*c,
c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*a^-1*b^-1,
d*a^-1*c*a^-1*d*c*b*c*b*c,
d^-1*a*d^-1*c^-1*a*d^-1*c^-1*b^-1*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b*c*a*b*c*d*b,
a^-1*b^-1*a^-1*d*b^-1*a^-1*d*c*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*c^-1*b^-1*a^-1*d*b^-1*a^-1*d*a^-1,
b*c*b*a*c*b*a*d^-1*b*a*d^-1*a,
a*b*a*d^-1*b*a*d^-1*c^-1*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*a^-1*d*c*b*d*c*b*c,
d^-1*d^-1*c^-1*d^-1*d^-1*c^-1,
c*b*b*c*b*b,
d^-1*c^-1*c^-1*d^-1*c^-1*c^-1,
c*c*b*c*c*b,
a^-1*a^-1*d*a^-1*a^-1*d,
b^-1*a^-1*a^-1*b^-1*a^-1*a^-1,
a^-1*d*d*a^-1*d*d,
b^-1*b^-1*a^-1*b^-1*b^-1*a^-1,
b*b*a*b*b*a,
a*d^-1*d^-1*a*d^-1*d^-1,
b*a*a*b*a*a,
a*a*d^-1*a*a*d^-1,
c^-1*c^-1*b^-1*c^-1*c^-1*b^-1,
d*c*c*d*c*c,
c^-1*b^-1*b^-1*c^-1*b^-1*b^-1,
d*d*c*d*d*c,
a^-1*b*a^-1*b,
d^-1*a^-1*d^-1*a^-1,
b*c^-1*b*c^-1,
c*d^-1*c*d^-1,
c^-1*d*c^-1*d,
b^-1*c*b^-1*c,
d*a*d*a,
a*b^-1*a*b^-1,
d^-1*d^-1*a^-1*d^-1*c^-1,
c*b*a^-1*b*b,
d^-1*c^-1*b*c^-1*c^-1,
c*c*d^-1*c*b,
a^-1*a^-1*b*a^-1*d,
b^-1*a^-1*d^-1*a^-1*a^-1,
a^-1*d*c^-1*d*d,
b^-1*b^-1*c*b^-1*a^-1,
b*b*c^-1*b*a,
a*d^-1*c*d^-1*d^-1,
b*a*d*a*a,
a*a*b^-1*a*d^-1,
c^-1*c^-1*d*c^-1*b^-1,
d*c*b^-1*c*c,
c^-1*b^-1*a*b^-1*b^-1,
d*d*a*d*c,
d^-1*a^-1*d^-1*d^-1*c^-1,
c*b*b*a^-1*b,
d^-1*c^-1*c^-1*b*c^-1,
c*d^-1*c*c*b,
a^-1*b*a^-1*a^-1*d,
b^-1*a^-1*a^-1*d^-1*a^-1,
a^-1*d*d*c^-1*d,
b^-1*c*b^-1*b^-1*a^-1,
b*c^-1*b*b*a,
a*d^-1*d^-1*c*d^-1,
b*a*a*d*a,
a*b^-1*a*a*d^-1,
c^-1*d*c^-1*c^-1*b^-1,
d*c*c*b^-1*c,
c^-1*b^-1*b^-1*a*b^-1,
d*a*d*d*c,
d^-1*a*c^-1*c^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c*c*a*b,
d^-1*a*d^-1*c^-1*b^-1*d^-1*d^-1*b^-1*c^-1,
c*d*b*b*a*b*c*d*b,
a^-1*b^-1*d*d*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b^-1*b^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*a^-1*a^-1*c*d,
b^-1*c^-1*a^-1*a^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*a*a*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a*a*c^-1*d^-1,
b*c*b*a*d^-1*b*b*d^-1*a,
a*b*d^-1*d^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b^-1*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d*d*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*c^-1*a^-1*b^-1,
d*a^-1*c*c*a^-1*d*c*b*c,
d^-1*a*d^-1*a*d^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b*a*b*a*b,
d^-1*a*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*d*c*a*b*c*d*b,
a^-1*b^-1*a^-1*b^-1*a^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a^-1*d*a^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*b*c*b*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d^-1*c^-1*d^-1*c^-1*d^-1,
b*c*b*a*d^-1*a*d^-1*a*d^-1*a,
a*b*a*b*a*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c*b*c*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d*a^-1*d*c*b*c,
d^-1*a*c*a*d^-1*c^-1*c^-1,
c*c*b*a*c^-1*a*b,
d^-1*d^-1*c^-1*b^-1*d*b^-1*c^-1,
c*d*b^-1*d*c*b*b,
a^-1*b^-1*d^-1*b^-1*a^-1*d*d,
b^-1*b^-1*a^-1*d*b*d*a^-1,
a^-1*a^-1*d*c*a*c*d,
b^-1*c^-1*a*c^-1*b^-1*a^-1*a^-1,
b*c*a^-1*c*b*a*a,
a*a*d^-1*c^-1*a^-1*c^-1*d^-1,
b*b*a*d^-1*b^-1*d^-1*a,
a*b*d*b*a*d^-1*d^-1,
c^-1*d^-1*b*d^-1*c^-1*b^-1*b^-1,
d*d*c*b*d^-1*b*c,
c^-1*c^-1*b^-1*a^-1*c*a^-1*b^-1,
d*a^-1*c^-1*a^-1*d*c*c,
d^-1*b^-1*d*b^-1*d^-1*c^-1,
c*b*d*b^-1*d*b,
d^-1*c^-1*a*c*a*c^-1,
c*a*c^-1*a*c*b,
a^-1*c*a*c*a^-1*d,
b^-1*a^-1*c^-1*a*c^-1*a^-1,
a^-1*d*b^-1*d^-1*b^-1*d,
b^-1*d*b*d*b^-1*a^-1,
b*d^-1*b^-1*d^-1*b*a,
a*d^-1*b*d*b*d^-1,
b*a*c*a^-1*c*a,
a*c^-1*a^-1*c^-1*a*d^-1,
c^-1*a^-1*c*a^-1*c^-1*b^-1,
d*c*a^-1*c^-1*a^-1*c,
c^-1*b^-1*d^-1*b*d^-1*b^-1,
d*b*d^-1*b*d*c,
d^-1*a^-1*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*a^-1*b,
d^-1*c^-1*d^-1*c^-1*b*c^-1,
c*d^-1*c*b*c*b,
a^-1*b*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*d^-1*a^-1,
a^-1*d*a^-1*d*c^-1*d,
b^-1*c*b^-1*a^-1*b^-1*a^-1,
b*c^-1*b*a*b*a,
a*d^-1*a*d^-1*c*d^-1,
b*a*b*a*d*a,
a*b^-1*a*d^-1*a*d^-1,
c^-1*d*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*b^-1*c,
c^-1*b^-1*c^-1*b^-1*a*b^-1,
d*a*d*c*d*c,
d^-1*a^-1*a^-1*d^-1*c^-1,
c*b*a^-1*a^-1*b,
d^-1*c^-1*b*b*c^-1,
c*d^-1*d^-1*c*b,
a^-1*b*b*a^-1*d,
b^-1*a^-1*d^-1*d^-1*a^-1,
a^-1*d*c^-1*c^-1*d,
b^-1*c*c*b^-1*a^-1,
b*c^-1*c^-1*b*a,
a*d^-1*c*c*d^-1,
b*a*d*d*a,
a*b^-1*b^-1*a*d^-1,
c^-1*d*d*c^-1*b^-1,
d*c*b^-1*b^-1*c,
c^-1*b^-1*a*a*b^-1,
d*a*a*d*c,
d^-1*a*d*c*b*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*d^-1*c^-1*b^-1*a*b,
d^-1*a*d^-1*c^-1*a^-1*d*c*b^-1*c^-1,
c*d*c^-1*b^-1*a^-1*c*b*a*b,
a^-1*b^-1*a*d^-1*c^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*c*b*a*d*a^-1,
a^-1*b^-1*a^-1*d*b*a*d^-1*c*d,
b^-1*c^-1*b*a*d^-1*b^-1*a^-1*d*a^-1,
b*c*b^-1*a^-1*d*b*a*d^-1*a,
a*b*a*d^-1*b^-1*a^-1*d*c^-1*d^-1,
b*c*b*a*c^-1*b^-1*a^-1*d^-1*a,
a*b*a^-1*d*c*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c*b*a*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*a*d^-1*c^-1*b*c,
c^-1*d^-1*c^-1*b^-1*d*c*b*a^-1*b^-1,
d*a^-1*d^-1*c^-1*b^-1*d*c*b*c,
d^-1*a*d^-1*c^-1*d^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*b*c*b*a*b,
d^-1*a*d^-1*c^-1*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*c*b*a*b,
a^-1*b^-1*a^-1*d*a^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*a^-1*b^-1*a^-1*d*a^-1,
a^-1*b^-1*a^-1*d*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*b^-1*a^-1*d*a^-1,
b*c*b*a*b*b*a*d^-1*a,
a*b*a*d^-1*d^-1*a*d^-1*c^-1*d^-1,
b*c*b*a*a*b*a*d^-1*a,
a*b*a*d^-1*a*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*c^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*c*d*c*b*c,
c^-1*d^-1*c^-1*b^-1*b^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d*d*c*b*c,
d^-1*a*c*d*a^-1*d*c*b*c^-1,
c*d^-1*c^-1*b^-1*a^-1*b^-1*c^-1*a*b,
d^-1*a^-1*d*c*b*c*d*b^-1*c^-1,
c*d*b^-1*c^-1*d^-1*c^-1*b^-1*a^-1*b,
a^-1*b^-1*d^-1*a*b*a*d^-1*c^-1*d,
b^-1*c*b*a*d^-1*a*b*d*a^-1,
a^-1*b*a*d^-1*c^-1*d^-1*a*c*d,
b^-1*c^-1*a*b*c*b*a*d^-1*a^-1,
b*c*a^-1*b^-1*c^-1*b^-1*a^-1*d*a,
a*b^-1*a^-1*d*c*d*a^-1*c^-1*d^-1,
b*c^-1*b^-1*a^-1*d*a^-1*b^-1*d^-1*a,
a*b*d*a^-1*b^-1*a^-1*d*c*d^-1,
c^-1*d^-1*b*c*a*b*c*d*b^-1,
d*a*d^-1*c^-1*b^-1*c^-1*d^-1*b*c,
c^-1*a*b*c*d*b*c*a^-1*b^-1,
d*a^-1*c^-1*d^-1*a*d^-1*c^-1*b^-1*c,
d^-1*a*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*c^-1,
c*c*b*c*a*b*c*d*b,
d^-1*d^-1*c^-1*d^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b*c*b*b,
a^-1*b^-1*a^-1*d*c*d*a^-1*d*d,
b^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1,
a^-1*a^-1*d*a^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*a^-1,
b*c*b*a*d^-1*a*b*a*a,
a*a*d^-1*a*b*a*d^-1*c^-1*d^-1,
b*b*a*b*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d^-1*a*d^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*b^-1,
d*d*c*d*a^-1*d*c*b*c,
c^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c*d*c*c,
d^-1*a*c^-1*d^-1*a*d^-1*c^-1*b^-1*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b*c*d*b*c*a*b,
a^-1*b^-1*d*a^-1*b^-1*a^-1*d*c*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*c^-1*b^-1*a^-1*d*a^-1*b^-1*d*a^-1,
b*c*a*b*c*b*a*d^-1*b*a*d^-1*a,
a*b*a*d^-1*b*a*d^-1*c^-1*d^-1*a*c^-1*d^-1,
c^-1*d^-1*b^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*a^-1*d*c*b*c*d*b*c,
d^-1*a*c^-1*b^-1*c^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c*d*c*a*b,
d^-1*a*d^-1*c^-1*b^-1*d^-1*a*d^-1*b^-1*c^-1,
c*d*b*a*b*a*b*c*d*b,
a^-1*b^-1*d*c*d*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b^-1*c^-1*b^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*a^-1*b^-1*a^-1*c*d,
b^-1*c^-1*a^-1*d*a^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*a*d^-1*a*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a*b*a*c^-1*d^-1,
b*c*b*a*d^-1*b*c*b*d^-1*a,
a*b*d^-1*c^-1*d^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b^-1*a^-1*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d*a^-1*d*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*d^-1*c^-1*a^-1*b^-1,
d*a^-1*c*b*c*a^-1*d*c*b*c,
d^-1*d^-1*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*b*b,
d^-1*c^-1*d^-1*c^-1*c^-1*c^-1,
c*c*c*b*c*b,
a^-1*a^-1*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*a^-1*a^-1,
a^-1*d*a^-1*d*d*d,
b^-1*b^-1*b^-1*a^-1*b^-1*a^-1,
b*b*b*a*b*a,
a*d^-1*a*d^-1*d^-1*d^-1,
b*a*b*a*a*a,
a*a*a*d^-1*a*d^-1,
c^-1*c^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*c*c,
c^-1*b^-1*c^-1*b^-1*b^-1*b^-1,
d*d*d*c*d*c,
a^-1*a^-1*b*b,
d^-1*d^-1*a^-1*a^-1,
b*b*c^-1*c^-1,
c*c*d^-1*d^-1,
c^-1*c^-1*d*d,
b^-1*b^-1*c*c,
d*d*a*a,
a*a*b^-1*b^-1,
d^-1*a*c^-1*d^-1*a*d^-1*c^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*a*b*c*d*b*c*a*b,
d^-1*a*d^-1*c^-1*b^-1*d^-1*c^-1*b^-1*c^-1*d^-1*b^-1*c^-1,
c*d*b*c*a*b*c*d*b*c*d*b,
a^-1*b^-1*d*a^-1*b^-1*a^-1*d*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b^-1*a^-1*d*a^-1*b^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*a^-1*d*c*d*a^-1*c*d,
b^-1*c^-1*a^-1*b^-1*c^-1*b^-1*a^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*a*b*c*b*a*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a*d^-1*c^-1*d^-1*a*c^-1*d^-1,
b*c*b*a*d^-1*b*a*d^-1*a*b*d^-1*a,
a*b*d^-1*a*b*a*d^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b^-1*c^-1*d^-1*c^-1*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d*c*b*c*d*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b^-1*a^-1*b^-1*c^-1*a^-1*b^-1,
d*a^-1*c*d*a^-1*d*c*a^-1*d*c*b*c,
d^-1*d^-1*c^-1*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*c*b*b,
d^-1*c^-1*d^-1*c^-1*d^-1*c^-1*c^-1,
c*c*b*c*b*c*b,
a^-1*a^-1*d*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*b^-1*a^-1*a^-1,
a^-1*d*a^-1*d*a^-1*d*d,
b^-1*b^-1*a^-1*b^-1*a^-1*b^-1*a^-1,
b*b*a*b*a*b*a,
a*d^-1*a*d^-1*a*d^-1*d^-1,
b*a*b*a*b*a*a,
a*a*d^-1*a*d^-1*a*d^-1,
c^-1*c^-1*b^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*d*c*c,
c^-1*b^-1*c^-1*b^-1*c^-1*b^-1*b^-1,
d*d*c*d*c*d*c,
d^-1*d^-1*d^-1*d^-1*c^-1,
c*b*b*b*b,
d^-1*c^-1*c^-1*c^-1*c^-1,
c*c*c*c*b,
a^-1*a^-1*a^-1*a^-1*d,
b^-1*a^-1*a^-1*a^-1*a^-1,
a^-1*d*d*d*d,
b^-1*b^-1*b^-1*b^-1*a^-1,
b*b*b*b*a,
a*d^-1*d^-1*d^-1*d^-1,
b*a*a*a*a,
a*a*a*a*d^-1,
c^-1*c^-1*c^-1*c^-1*b^-1,
d*c*c*c*c,
c^-1*b^-1*b^-1*b^-1*b^-1,
d*d*d*d*c,
a^-1*a^-1*a^-1*b,
d^-1*a^-1*a^-1*a^-1,
a^-1*b*b*b,
d^-1*d^-1*d^-1*a^-1,
b*b*b*c^-1,
c*d^-1*d^-1*d^-1,
b*c^-1*c^-1*c^-1,
c*c*c*d^-1,
c^-1*c^-1*c^-1*d,
b^-1*c*c*c,
c^-1*d*d*d,
b^-1*b^-1*b^-1*c,
d*d*d*a,
a*b^-1*b^-1*b^-1,
d*a*a*a,
a*a*a*b^-1,
d^-1*a*d^-1*c*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c^-1*b*a*b,
d^-1*a*d^-1*c^-1*d*c^-1*b^-1*c^-1,
c*d*c*b^-1*c*b*a*b,
a^-1*b^-1*a^-1*d^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b*a^-1*d*a^-1,
a^-1*b^-1*a^-1*d*a*d*c*d,
b^-1*c^-1*b^-1*a*b^-1*a^-1*d*a^-1,
b*c*b*a^-1*b*a*d^-1*a,
a*b*a*d^-1*a^-1*d^-1*c^-1*d^-1,
b*c*b*a*b^-1*a*d^-1*a,
a*b*a*d*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*b*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d^-1*c*b*c,
c^-1*d^-1*c^-1*b^-1*c*b^-1*a^-1*b^-1,
d*a^-1*d*c^-1*d*c*b*c,
d^-1*a*d^-1*c^-1*b^-1*c^-1*d*c^-1,
c*b^-1*c*a*b*c*d*b,
d^-1*c*d^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b*c^-1*b,
a^-1*b^-1*a^-1*d*c*d*a*d,
b^-1*a*b^-1*c^-1*b^-1*a^-1*d*a^-1,
a^-1*d^-1*a^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a^-1*b*a^-1,
b*c*b*a*d^-1*a*b^-1*a,
a*d*a*b*a*d^-1*c^-1*d^-1,
b*a^-1*b*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d^-1*a^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*c*b^-1,
d*c^-1*d*a^-1*d*c*b*c,
c^-1*b*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c*d^-1*c,
d^-1*a*a*d^-1*c^-1*b^-1*d*b^-1*c^-1,
c*d*b^-1*a*b*c*d*a*b,
d^-1*a*c*a*d^-1*c^-1*b^-1*b^-1*c^-1,
c*d*a*b*c*d*c^-1*a*b,
a^-1*b^-1*b^-1*a^-1*d*c*a*c*d,
b^-1*c^-1*a*c^-1*b^-1*a^-1*d*d*a^-1,
a^-1*b^-1*d^-1*b^-1*a^-1*d*c*c*d,
b^-1*c^-1*c^-1*b^-1*a^-1*d*b*d*a^-1,
b*c*c*b*a*d^-1*b^-1*d^-1*a,
a*b*d*b*a*d^-1*c^-1*c^-1*d^-1,
b*c*a^-1*c*b*a*d^-1*d^-1*a,
a*b*b*a*d^-1*c^-1*a^-1*c^-1*d^-1,
c^-1*d^-1*d^-1*c^-1*b^-1*a^-1*c*a^-1*b^-1,
d*a^-1*c^-1*a^-1*d*c*b*b*c,
c^-1*d^-1*b*d^-1*c^-1*b^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*d*c*b*d^-1*b*c,
d^-1*a*d^-1*c^-1*d^-1*a*d^-1*c^-1*c^-1,
c*c*b*a*b*c*b*a*b,
d^-1*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*d*c*b*b,
a^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*d*d,
b^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*d*a^-1,
a^-1*a^-1*d*c*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*a^-1,
b*c*b*a*b*c*b*a*a,
a*a*d^-1*c^-1*d^-1*a*d^-1*c^-1*d^-1,
b*b*a*d^-1*a*b*a*d^-1*a,
a*b*a*d^-1*a*b*a*d^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*b^-1,
d*d*c*b*c*d*c*b*c,
c^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d*a^-1*d*c*c,
d^-1*a*d^-1*c^-1*d^-1*b^-1*d^-1*c^-1,
c*b*d*b*c*b*a*b,
d^-1*c^-1*a*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*a*c*b,
a^-1*b^-1*a^-1*d*a^-1*c*a^-1*d,
b^-1*a^-1*c^-1*a^-1*b^-1*a^-1*d*a^-1,
a^-1*d*b^-1*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*d*b^-1*a^-1,
b*c*b*a*b*d^-1*b*a,
a*d^-1*b*d^-1*a*d^-1*c^-1*d^-1,
b*a*c*a*b*a*d^-1*a,
a*b*a*d^-1*a*c^-1*a*d^-1,
c^-1*d^-1*c^-1*b^-1*c^-1*a^-1*c^-1*b^-1,
d*c*a^-1*c*d*c*b*c,
c^-1*b^-1*d^-1*b^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d*b*d*c,
d^-1*b^-1*d^-1*b^-1*d^-1*c^-1,
c*b*d*b*d*b,
d^-1*c^-1*a*c^-1*a*c^-1,
c*a*c*a*c*b,
a^-1*c*a^-1*c*a^-1*d,
b^-1*a^-1*c^-1*a^-1*c^-1*a^-1,
a^-1*d*b^-1*d*b^-1*d,
b^-1*d*b^-1*d*b^-1*a^-1,
b*d^-1*b*d^-1*b*a,
a*d^-1*b*d^-1*b*d^-1,
b*a*c*a*c*a,
a*c^-1*a*c^-1*a*d^-1,
c^-1*a^-1*c^-1*a^-1*c^-1*b^-1,
d*c*a^-1*c*a^-1*c,
c^-1*b^-1*d^-1*b^-1*d^-1*b^-1,
d*b*d*b*d*c,
d^-1*a*c^-1*a^-1*c*a*c^-1,
c*a*c^-1*a^-1*c*a*b,
d^-1*b^-1*d*b*d^-1*b^-1*c^-1,
c*d*b*d^-1*b^-1*d*b,
a^-1*b^-1*d*b*d^-1*b^-1*d,
a^-1*c*a*c^-1*a^-1*c*d,
b^-1*c^-1*a^-1*c*a*c^-1*a^-1,
b*d^-1*b^-1*d*b*d^-1*a,
d^-1*a*c*d*a^-1*c^-1*d^-1*a*c^-1,
c*a*b*c*a^-1*b^-1*c^-1*a*b,
d^-1*b^-1*c^-1*d^-1*b*c*d*b^-1*c^-1,
c*d*b^-1*c^-1*d^-1*b*c*d*b,
a^-1*b^-1*d^-1*a*b*d*a^-1*b^-1*d,
a^-1*c*d*a^-1*c^-1*d^-1*a*c*d,
b^-1*c^-1*a*b*c*a^-1*b^-1*c^-1*a^-1,
b*d^-1*a*b*d*a^-1*b^-1*d^-1*a,
d^-1*c^-1*b^-1*d^-1*c^-1*b^-1*d*c*b,
d^-1*c^-1*b^-1*d*c*b*d*c*b,
a^-1*d*c*a*d^-1*c^-1*a*d^-1*c^-1,
c*b*a*c*b*a*c^-1*b^-1*a^-1,
a^-1*d*c*a^-1*d*c*a*d^-1*c^-1,
c*b*a*c^-1*b^-1*a^-1*c^-1*b^-1*a^-1,
b*a*d^-1*b^-1*a^-1*d*b^-1*a^-1*d,
b*a*d^-1*b*a*d^-1*b^-1*a^-1*d,
b*d*b^-1*a^-1*d*b^-1*d^-1,
c^-1*a*c*b*a*c*a^-1,
a^-1*c^-1*a*d^-1*c^-1*a*c,
d*b^-1*d^-1*c^-1*b^-1*d^-1*b,
d^-1*b*d*c*b*d*b^-1,
a*c*a^-1*d*c*a^-1*c^-1,
c*a^-1*c^-1*b^-1*a^-1*c^-1*a,
b^-1*d^-1*b*a*d^-1*b*d,
d^-1*a*c^-1*d^-1*a*c^-1*d^-1*a*c^-1*d^-1*a*c^-1,
c*a*b*c*a*b*c*a*b*c*a*b,
d^-1*b^-1*c^-1*d^-1*b^-1*c^-1*d^-1*b^-1*c^-1*d^-1*b^-1*c^-1,
c*d*b*c*d*b*c*d*b*c*d*b,
a^-1*b^-1*d*a^-1*b^-1*d*a^-1*b^-1*d*a^-1*b^-1*d,
a^-1*c*d*a^-1*c*d*a^-1*c*d*a^-1*c*d,
b^-1*c^-1*a^-1*b^-1*c^-1*a^-1*b^-1*c^-1*a^-1*b^-1*c^-1*a^-1,
b*d^-1*a*b*d^-1*a*b*d^-1*a*b*d^-1*a,
d^-1*c^-1*d^-1*c^-1*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*c*b*c*b,
a^-1*d*a^-1*d*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*b^-1*a^-1*b^-1*a^-1,
b*a*b*a*b*a*b*a,
a*d^-1*a*d^-1*a*d^-1*a*d^-1,
c^-1*b^-1*c^-1*b^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*d*c*d*c,
a^-1*a^-1*a^-1*a^-1,
b*b*b*b,
d^-1*d^-1*d^-1*d^-1,
c^-1*c^-1*c^-1*c^-1,
c*c*c*c,
d*d*d*d,
b^-1*b^-1*b^-1*b^-1,
a*a*a*a,
d^-1*a*c^-1*a*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*a*c*a*b,
d^-1*a*d^-1*c^-1*b^-1*b^-1*d^-1*b^-1*c^-1,
c*d*b*d*a*b*c*d*b,
a^-1*b^-1*d*b^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*d*b^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*c*a^-1*c*d,
b^-1*c^-1*a^-1*c^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*a*c*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*c^-1*a*c^-1*d^-1,
b*c*b*a*d^-1*d^-1*b*d^-1*a,
a*b*d^-1*b*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b^-1*d^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*b*d*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*a^-1*c^-1*a^-1*b^-1,
d*a^-1*c*a^-1*a^-1*d*c*b*c,
d^-1*a*a*c^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c*a*a*b,
d^-1*a*d^-1*c^-1*b^-1*d^-1*b^-1*b^-1*c^-1,
c*d*d*b*a*b*c*d*b,
a^-1*b^-1*b^-1*d*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b^-1*d*d*a^-1,
a^-1*b^-1*a^-1*d*c*a^-1*c*c*d,
b^-1*c^-1*c^-1*a^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*c*a*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a*c^-1*c^-1*d^-1,
b*c*b*a*d^-1*b*d^-1*d^-1*a,
a*b*b*d^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*d^-1*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d*b*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*c*a^-1*d*c*b*c,
d^-1*a*d^-1*a*d^-1*c^-1*c^-1*b^-1*c^-1,
c*d*c*c*b*a*b*a*b,
d^-1*a*d^-1*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*d*c*b*b*a*b,
a^-1*b^-1*a^-1*b^-1*a^-1*d*d*c*d,
b^-1*c^-1*b^-1*b^-1*a^-1*d*a^-1*d*a^-1,
a^-1*b^-1*a^-1*a^-1*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*a^-1*d*a^-1,
b*c*b*c*b*a*a*d^-1*a,
a*b*a*a*d^-1*c^-1*d^-1*c^-1*d^-1,
b*c*b*b*a*d^-1*a*d^-1*a,
a*b*a*b*a*d^-1*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*b^-1*a^-1*b^-1,
d*a^-1*d*d*c*b*c*b*c,
c^-1*d^-1*c^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d*c*c*b*c,
d^-1*a*c*d^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b*c^-1*a*b,
d^-1*a*d^-1*c^-1*b^-1*c^-1*d*b^-1*c^-1,
c*d*b^-1*c*a*b*c*d*b,
a^-1*b^-1*d^-1*a^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a^-1*b*d*a^-1,
a^-1*b^-1*a^-1*d*c*d*a*c*d,
b^-1*c^-1*a*b^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*a^-1*b*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d^-1*a^-1*c^-1*d^-1,
b*c*b*a*d^-1*a*b^-1*d^-1*a,
a*b*d*a*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c*d^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*c*a^-1*b^-1,
d*a^-1*c^-1*d*a^-1*d*c*b*c,
d^-1*a*d^-1*c*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c^-1*b*a*b,
d^-1*a*d^-1*c^-1*b^-1*d*c^-1*b^-1*c^-1,
c*d*c*b^-1*a*b*c*d*b,
a^-1*b^-1*a^-1*d^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b*a^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*a*d*c*d,
b^-1*c^-1*b^-1*a*c^-1*b^-1*a^-1*d*a^-1,
b*c*b*a^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a^-1*d^-1*c^-1*d^-1,
b*c*b*a*d^-1*b^-1*a*d^-1*a,
a*b*a*d*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*b*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d^-1*c*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c*b^-1*a^-1*b^-1,
d*a^-1*d*c^-1*a^-1*d*c*b*c,
d^-1*a*d^-1*a*d^-1*c^-1*b^-1*c^-1*c^-1,
c*c*a*b*c*d*b*a*b,
d^-1*d^-1*a*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*a*b*c*d*b*b,
a^-1*b^-1*a^-1*b^-1*a^-1*d*c*d*d,
b^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1*d*a^-1,
a^-1*a^-1*b^-1*a^-1*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1*a^-1,
b*c*b*c*b*a*d^-1*a*a,
a*a*b*a*d^-1*c^-1*d^-1*c^-1*d^-1,
b*b*c*b*a*d^-1*a*d^-1*a,
a*b*a*b*a*d^-1*c^-1*d^-1*d^-1,
c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*b^-1,
d*d*a^-1*d*c*b*c*b*c,
c^-1*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d*c*b*c*c,
d^-1*b*a^-1*a^-1*c^-1,
c*a^-1*a^-1*d^-1*b,
d^-1*b*b*a^-1*c^-1,
c*a^-1*d^-1*d^-1*b,
a^-1*c^-1*b*b*d,
b^-1*d^-1*d^-1*c*a^-1,
a^-1*c^-1*c^-1*b*d,
b^-1*d^-1*c*c*a^-1,
b*d*c^-1*c^-1*a,
a*c*c*b^-1*d^-1,
b*d*d*c^-1*a,
a*c*b^-1*b^-1*d^-1,
c^-1*a*d*d*b^-1,
d*b^-1*b^-1*a*c,
c^-1*a*a*d*b^-1,
d*b^-1*a*a*c,
d^-1*c^-1*a^-1*b*b,
d^-1*d^-1*a^-1*c*b,
a^-1*a^-1*b*d^-1*c^-1,
c*b*d^-1*a^-1*a^-1,
a^-1*d*b*c^-1*c^-1,
c*c*d^-1*b^-1*a^-1,
b*b*c^-1*a^-1*d,
b^-1*a^-1*c*d^-1*d^-1,
b*a*c^-1*d*d,
b^-1*b^-1*c*a*d^-1,
c^-1*c^-1*d*b*a,
a*d^-1*b^-1*c*c,
c^-1*b^-1*d*a*a,
a*a*b^-1*d*c,
d*d*a*c^-1*b^-1,
d*c*a*b^-1*b^-1,
d^-1*a*d^-1*c^-1*d*c*d*c^-1,
c*b^-1*c^-1*b^-1*c*b*a*b,
d^-1*c*d*c*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c^-1*b^-1*c^-1*b,
a^-1*b^-1*a^-1*d*a*d^-1*a*d,
b^-1*a*b*a*b^-1*a^-1*d*a^-1,
a^-1*d^-1*a*d^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b*a*b*a^-1,
b*c*b*a*b^-1*a^-1*b^-1*a,
a*d*a^-1*d*a*d^-1*c^-1*d^-1,
b*a^-1*b^-1*a^-1*b*a*d^-1*a,
a*b*a*d^-1*a^-1*d*a^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*c*b*c*b^-1,
d*c^-1*d^-1*c^-1*d*c*b*c,
c^-1*b*c*b*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d^-1*c^-1*d^-1*c,
d^-1*b^-1*d^-1*c^-1*d*c^-1,
c*b^-1*c*b*d*b,
d^-1*c*d^-1*c^-1*a*c^-1,
c*a*c*b*c^-1*b,
a^-1*c*a^-1*d*a*d,
b^-1*a*b^-1*a^-1*c^-1*a^-1,
a^-1*d^-1*a^-1*d*b^-1*d,
b^-1*d*b^-1*a^-1*b*a^-1,
b*d^-1*b*a*b^-1*a,
a*d*a*d^-1*b*d^-1,
b*a^-1*b*a*c*a,
a*c^-1*a*d^-1*a^-1*d^-1,
c^-1*a^-1*c^-1*b^-1*c*b^-1,
d*c^-1*d*c*a^-1*c,
c^-1*b*c^-1*b^-1*d^-1*b^-1,
d*b*d*c*d^-1*c,
d^-1*a*a*d^-1*a^-1*d*b^-1*c^-1,
c*d*b^-1*a^-1*b*a*a*b,
d^-1*a*c*b*c^-1*b^-1*b^-1*c^-1,
c*d*d*c*d^-1*c^-1*a*b,
a^-1*b^-1*b^-1*a^-1*b*a*c*d,
b^-1*c^-1*a*d^-1*a^-1*d*d*a^-1,
a^-1*b^-1*d^-1*c^-1*d*c*c*d,
b^-1*c^-1*c^-1*b^-1*c*b*d*a^-1,
b*c*c*b*c^-1*b^-1*d^-1*a,
a*b*d*c*d^-1*c^-1*c^-1*d^-1,
b*c*a^-1*d*a*d^-1*d^-1*a,
a*b*b*a*b^-1*a^-1*c^-1*d^-1,
c^-1*d^-1*d^-1*c^-1*d*c*a^-1*b^-1,
d*a^-1*c^-1*b^-1*c*b*b*c,
c^-1*d^-1*b*a*b^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*d*a*d^-1*b*c,
d^-1*a*c^-1*a*d^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b*a*c*a*b,
d^-1*a*d^-1*c^-1*b^-1*c^-1*b^-1*d^-1*b^-1*c^-1,
c*d*b*d*c*a*b*c*d*b,
a^-1*b^-1*d*b^-1*a^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a^-1*d*b^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*d*c*a^-1*c*d,
b^-1*c^-1*a^-1*c^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*a*c*b*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d^-1*c^-1*a*c^-1*d^-1,
b*c*b*a*d^-1*a*d^-1*b*d^-1*a,
a*b*d^-1*b*a*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b^-1*d^-1*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c*b*d*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*a^-1*c^-1*a^-1*b^-1,
d*a^-1*c*a^-1*d*a^-1*d*c*b*c,
d^-1*a*d^-1*a*c^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c*a*b*a*b,
d^-1*a*d^-1*c^-1*b^-1*d^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*d*b*a*b*c*d*b,
a^-1*b^-1*a^-1*b^-1*d*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b^-1*d*a^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*a^-1*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*a^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*b*c*a*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a*c^-1*d^-1*c^-1*d^-1,
b*c*b*a*d^-1*b*d^-1*a*d^-1*a,
a*b*a*b*d^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*d^-1*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d*b*c*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*c*a^-1*d*c*b*c,
d^-1*b^-1*a^-1*d*c*c*d*c^-1,
c*b^-1*c^-1*c^-1*b^-1*a^-1*d*b,
d^-1*c*d*a*b*c*d*c^-1,
c*a*d^-1*c^-1*b^-1*b^-1*c^-1*b,
a^-1*c*b*a*d^-1*d^-1*a*d,
b^-1*a*b*b*a*d^-1*c^-1*a^-1,
a^-1*d^-1*a*a*d^-1*c^-1*b^-1*d,
b^-1*a*b*c*d*a*b*a^-1,
b*d^-1*c^-1*b^-1*a^-1*a^-1*b^-1*a,
a*d*a^-1*a^-1*d*c*b*d^-1,
b*a^-1*b^-1*b^-1*a^-1*d*c*a,
a*c^-1*b^-1*a^-1*d*d*a^-1*d^-1,
c^-1*a^-1*d*c*b*b*c*b^-1,
d*c^-1*d^-1*d^-1*c^-1*b^-1*a^-1*c,
c^-1*b*c*c*b*a*d^-1*b^-1,
d*b*a*d^-1*c^-1*c^-1*d^-1*c,
d^-1*b^-1*a^-1*d^-1*d^-1*c^-1,
c*b*b*a^-1*d*b,
d^-1*a^-1*a^-1*b^-1*a^-1*c^-1,
c*a^-1*d*a^-1*a^-1*b,
d^-1*b*a*b*b*c^-1,
c*d^-1*d^-1*a*d^-1*b,
d^-1*c^-1*c^-1*b*a*c^-1,
c*a*d^-1*c*c*b,
a^-1*c*b*a^-1*a^-1*d,
b^-1*a^-1*a^-1*d^-1*c^-1*a^-1,
a^-1*b*b*c*b*d,
b^-1*d^-1*c^-1*d^-1*d^-1*a^-1,
a^-1*c^-1*b^-1*c^-1*c^-1*d,
b^-1*c*c*d*c*a^-1,
a^-1*d*d*c^-1*b^-1*d,
b^-1*d*c*b^-1*b^-1*a^-1,
b*d^-1*c^-1*b*b*a,
a*d^-1*d^-1*c*b*d^-1,
b*c^-1*c^-1*d^-1*c^-1*a,
a*c*b*c*c*d^-1,
b*d*c*d*d*a,
a*b^-1*b^-1*c^-1*b^-1*d^-1,
b*a*a*d*c*a,
a*c^-1*b^-1*a*a*d^-1,
c^-1*a^-1*d*c^-1*c^-1*b^-1,
d*c*c*b^-1*a^-1*c,
c^-1*d*d*a^-1*d*b^-1,
d*b^-1*a^-1*b^-1*b^-1*c,
c^-1*a*d^-1*a*a*b^-1,
d*a*a*b*a*c,
c^-1*b^-1*b^-1*a*d^-1*b^-1,
d*b*a*d*d*c,
d^-1*a*c^-1*d*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b^-1*c*a*b,
d^-1*a*d^-1*c^-1*b^-1*c*d^-1*b^-1*c^-1,
c*d*b*c^-1*a*b*c*d*b,
a^-1*b^-1*d*a*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a*b^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*d^-1*a^-1*c*d,
b^-1*c^-1*a^-1*b*c^-1*b^-1*a^-1*d*a^-1,
b*c*a*b^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d*a*c^-1*d^-1,
b*c*b*a*d^-1*a^-1*b*d^-1*a,
a*b*d^-1*a^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b^-1*c*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c^-1*d*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b*c^-1*a^-1*b^-1,
d*a^-1*c*d^-1*a^-1*d*c*b*c,
d^-1*a*d*c^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c*b^-1*a*b,
d^-1*a*d^-1*c^-1*b^-1*d^-1*c*b^-1*c^-1,
c*d*c^-1*b*a*b*c*d*b,
a^-1*b^-1*a*d*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b^-1*a*d*a^-1,
a^-1*b^-1*a^-1*d*c*a^-1*d^-1*c*d,
b^-1*c^-1*b*a^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*b^-1*a*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a*d*c^-1*d^-1,
b*c*b*a*d^-1*b*a^-1*d^-1*a,
a*b*a^-1*d^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d*c^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b*a^-1*b^-1,
d*a^-1*d^-1*c*a^-1*d*c*b*c,
d^-1*a*d^-1*c^-1*b*d*c^-1,
c*b^-1*d^-1*c*b*a*b,
d^-1*c*a^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*a^-1*c^-1*b,
a^-1*b^-1*a^-1*d*c^-1*a*d,
b^-1*a*c*b^-1*a^-1*d*a^-1,
a^-1*d^-1*b*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d^-1*b*a^-1,
b*c*b*a*d*b^-1*a,
a*d*b^-1*a*d^-1*c^-1*d^-1,
b*a^-1*c^-1*b*a*d^-1*a,
a*b*a*d^-1*c*a^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*a*c*b^-1,
d*c^-1*a*d*c*b*c,
c^-1*b*d*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b^-1*d^-1*c,
d^-1*a*d^-1*b^-1*d^-1*c^-1*c^-1,
c*c*b*d*b*a*b,
d^-1*d^-1*c^-1*a*c^-1*b^-1*c^-1,
c*d*c*a*c*b*b,
a^-1*b^-1*a^-1*c*a^-1*d*d,
b^-1*b^-1*a^-1*c^-1*a^-1*d*a^-1,
a^-1*a^-1*d*b^-1*d*c*d,
b^-1*c^-1*b^-1*d*b^-1*a^-1*a^-1,
b*c*b*d^-1*b*a*a,
a*a*d^-1*b*d^-1*c^-1*d^-1,
b*b*a*c*a*d^-1*a,
a*b*a*c^-1*a*d^-1*d^-1,
c^-1*d^-1*c^-1*a^-1*c^-1*b^-1*b^-1,
d*d*c*a^-1*c*b*c,
c^-1*c^-1*b^-1*d^-1*b^-1*a^-1*b^-1,
d*a^-1*d*b*d*c*c,
d^-1*a*d^-1*c^-1*d*b*c^-1,
c*d^-1*b^-1*c*b*a*b,
d^-1*a^-1*c*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c^-1*a^-1*b,
a^-1*b^-1*a^-1*d*a*c^-1*d,
b^-1*c*a*b^-1*a^-1*d*a^-1,
a^-1*b*d^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b*d^-1*a^-1,
b*c*b*a*b^-1*d*a,
a*b^-1*d*a*d^-1*c^-1*d^-1,
b*c^-1*a^-1*b*a*d^-1*a,
a*b*a*d^-1*a^-1*c*d^-1,
c^-1*d^-1*c^-1*b^-1*c*a*b^-1,
d*a*c^-1*d*c*b*c,
c^-1*d*b*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d^-1*b^-1*c,
d^-1*b^-1*d^-1*a*d^-1*c^-1*c^-1,
c*c*b*a*b*d*b,
d^-1*d^-1*c^-1*b^-1*c^-1*a*c^-1,
c*a*c*d*c*b*b,
a^-1*c*a^-1*b^-1*a^-1*d*d,
b^-1*b^-1*a^-1*d*a^-1*c^-1*a^-1,
a^-1*a^-1*d*c*d*b^-1*d,
b^-1*d*b^-1*c^-1*b^-1*a^-1*a^-1,
b*d^-1*b*c*b*a*a,
a*a*d^-1*c^-1*d^-1*b*d^-1,
b*b*a*d^-1*a*c*a,
a*c^-1*a*b*a*d^-1*d^-1,
c^-1*a^-1*c^-1*d^-1*c^-1*b^-1*b^-1,
d*d*c*b*c*a^-1*c,
c^-1*c^-1*b^-1*a^-1*b^-1*d^-1*b^-1,
d*b*d*a^-1*d*c*c,
d^-1*b^-1*a^-1*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*a^-1*d*b,
d^-1*c^-1*d^-1*c^-1*b*a*c^-1,
c*a*d^-1*c*b*c*b,
a^-1*c*b*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*d^-1*c^-1*a^-1,
a^-1*d*a^-1*d*c^-1*b^-1*d,
b^-1*d*c*b^-1*a^-1*b^-1*a^-1,
b*d^-1*c^-1*b*a*b*a,
a*d^-1*a*d^-1*c*b*d^-1,
b*a*b*a*d*c*a,
a*c^-1*b^-1*a*d^-1*a*d^-1,
c^-1*a^-1*d*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*b^-1*a^-1*c,
c^-1*b^-1*c^-1*b^-1*a*d^-1*b^-1,
d*b*a*d*c*d*c,
d^-1*a^-1*b^-1*a^-1*b^-1*a^-1*c^-1,
c*a^-1*d*a^-1*d*a^-1*b,
d^-1*b*a*b*a*b*c^-1,
c*d^-1*a*d^-1*a*d^-1*b,
a^-1*b*c*b*c*b*d,
b^-1*d^-1*c^-1*d^-1*c^-1*d^-1*a^-1,
a^-1*c^-1*b^-1*c^-1*b^-1*c^-1*d,
b^-1*c*d*c*d*c*a^-1,
b*c^-1*d^-1*c^-1*d^-1*c^-1*a,
a*c*b*c*b*c*d^-1,
b*d*c*d*c*d*a,
a*b^-1*c^-1*b^-1*c^-1*b^-1*d^-1,
c^-1*d*a^-1*d*a^-1*d*b^-1,
d*b^-1*a^-1*b^-1*a^-1*b^-1*c,
c^-1*a*d^-1*a*d^-1*a*b^-1,
d*a*b*a*b*a*c,
d^-1*a*d^-1*c*b*d*c^-1,
c*b^-1*d^-1*c^-1*b*a*b,
d^-1*c*a^-1*d*c^-1*b^-1*c^-1,
c*d*c*b^-1*a^-1*c^-1*b,
a^-1*b^-1*a^-1*d^-1*c^-1*a*d,
b^-1*a*c*b*a^-1*d*a^-1,
a^-1*d^-1*b*a*d*c*d,
b^-1*c^-1*b^-1*a*d^-1*b*a^-1,
b*c*b*a^-1*d*b^-1*a,
a*d*b^-1*a^-1*d^-1*c^-1*d^-1,
b*a^-1*c^-1*b^-1*a*d^-1*a,
a*b*a*d*c*a^-1*d^-1,
c^-1*d^-1*c^-1*b*a*c*b^-1,
d*c^-1*a*d^-1*c*b*c,
c^-1*b*d*c*b^-1*a^-1*b^-1,
d*a^-1*d*c^-1*b^-1*d^-1*c,
d^-1*b^-1*c*b*a*b*c^-1,
c*d^-1*a*d^-1*c^-1*d*b,
d^-1*a^-1*b^-1*a^-1*d*a*c^-1,
c*a*b^-1*a^-1*d*a^-1*b,
a^-1*c*d^-1*c^-1*b^-1*c^-1*d,
b^-1*c*d*c*b*c^-1*a^-1,
a^-1*b*c*b*a*b^-1*d,
b^-1*d*a*d^-1*c^-1*d^-1*a^-1,
b*d^-1*a^-1*d*c*d*a,
a*b^-1*c^-1*b^-1*a^-1*b*d^-1,
b*c^-1*d^-1*c^-1*b^-1*c*a,
a*c^-1*d*c*b*c*d^-1,
c^-1*a^-1*b*a*d^-1*a*b^-1,
d*a*b*a*d^-1*a^-1*c,
c^-1*d*a^-1*d*c*d^-1*b^-1,
d*b*c^-1*b^-1*a^-1*b^-1*c,
d^-1*a*d*a^-1*d*c*b*d*b^-1*c^-1,
c*d*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*a*b,
d^-1*a*c*a^-1*d*c*b*c*b^-1*c^-1,
c*d*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*a*b,
a^-1*b^-1*a*b*a*d^-1*c^-1*a*c*d,
b^-1*c^-1*a*c*b*a*d^-1*a*d*a^-1,
a^-1*b^-1*d^-1*b*a*d^-1*c^-1*d^-1*c*d,
b^-1*c^-1*b*c*b*a*d^-1*b*d*a^-1,
b*c*b^-1*c^-1*b^-1*a^-1*d*b^-1*d^-1*a,
a*b*d*b^-1*a^-1*d*c*d*c^-1*d^-1,
b*c*a^-1*c^-1*b^-1*a^-1*d*a^-1*d^-1*a,
a*b*a^-1*b^-1*a^-1*d*c*a^-1*c^-1*d^-1,
c^-1*d^-1*c*a*b*c*d*c*a^-1*b^-1,
d*a^-1*c^-1*a*d^-1*c^-1*b^-1*c^-1*b*c,
c^-1*d^-1*b*a*b*c*d*b*a^-1*b^-1,
d*a^-1*d^-1*a*d^-1*c^-1*b^-1*d^-1*b*c,
d^-1*a*c*b*c*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c^-1*d^-1*c^-1*a*b,
d^-1*a*d^-1*c^-1*b^-1*d*a^-1*d*b^-1*c^-1,
c*d*b^-1*a^-1*b^-1*a*b*c*d*b,
a^-1*b^-1*d^-1*c^-1*d^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b*c*b*d*a^-1,
a^-1*b^-1*a^-1*d*c*a*b*a*c*d,
b^-1*c^-1*a*d^-1*a*c^-1*b^-1*a^-1*d*a^-1,
b*c*a^-1*d*a^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a^-1*b^-1*a^-1*c^-1*d^-1,
b*c*b*a*d^-1*b^-1*c^-1*b^-1*d^-1*a,
a*b*d*c*d*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b*a*b*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d^-1*a*d^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c*d*c*a^-1*b^-1,
d*a^-1*c^-1*b^-1*c^-1*a^-1*d*c*b*c,
d^-1*a*d^-1*a*d^-1*c^-1*d*c^-1,
c*b^-1*c*b*a*b*a*b,
d^-1*c*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*d*c*b*c^-1*b,
a^-1*b^-1*a^-1*b^-1*a^-1*d*a*d,
b^-1*a*b^-1*a^-1*d*a^-1*d*a^-1,
a^-1*d^-1*a^-1*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*b*a^-1,
b*c*b*c*b*a*b^-1*a,
a*d*a*d^-1*c^-1*d^-1*c^-1*d^-1,
b*a^-1*b*a*d^-1*a*d^-1*a,
a*b*a*b*a*d^-1*a^-1*d^-1,
c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*c*b^-1,
d*c^-1*d*c*b*c*b*c,
c^-1*b*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d*c*d^-1*c,
d^-1*a*d^-1*c^-1*d*a^-1*d*c^-1,
c*b^-1*a^-1*b^-1*c*b*a*b,
d^-1*c*b*c*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c^-1*d^-1*c^-1*b,
a^-1*b^-1*a^-1*d*a*b*a*d,
b^-1*a*d^-1*a*b^-1*a^-1*d*a^-1,
a^-1*d^-1*c^-1*d^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b*c*b*a^-1,
b*c*b*a*b^-1*c^-1*b^-1*a,
a*d*c*d*a*d^-1*c^-1*d^-1,
b*a^-1*d*a^-1*b*a*d^-1*a,
a*b*a*d^-1*a^-1*b^-1*a^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*c*d*c*b^-1,
d*c^-1*b^-1*c^-1*d*c*b*c,
c^-1*b*a*b*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d^-1*a*d^-1*c,
d^-1*b^-1*b^-1*d^-1*c^-1*c^-1,
c*c*b*d*d*b,
d^-1*d^-1*c^-1*a*a*c^-1,
c*a*a*c*b*b,
a^-1*c*c*a^-1*d*d,
b^-1*b^-1*a^-1*c^-1*c^-1*a^-1,
a^-1*a^-1*d*b^-1*b^-1*d,
b^-1*d*d*b^-1*a^-1*a^-1,
b*d^-1*d^-1*b*a*a,
a*a*d^-1*b*b*d^-1,
b*b*a*c*c*a,
a*c^-1*c^-1*a*d^-1*d^-1,
c^-1*a^-1*a^-1*c^-1*b^-1*b^-1,
d*d*c*a^-1*a^-1*c,
c^-1*c^-1*b^-1*d^-1*d^-1*b^-1,
d*b*b*d*c*c,
d^-1*b^-1*d^-1*c^-1*b*c^-1,
c*d^-1*c*b*d*b,
d^-1*a^-1*d^-1*c^-1*a*c^-1,
c*a*c*b*a^-1*b,
a^-1*c*a^-1*d*c^-1*d,
b^-1*c*b^-1*a^-1*c^-1*a^-1,
a^-1*b*a^-1*d*b^-1*d,
b^-1*d*b^-1*a^-1*d^-1*a^-1,
b*d^-1*b*a*d*a,
a*b^-1*a*d^-1*b*d^-1,
b*c^-1*b*a*c*a,
a*c^-1*a*d^-1*c*d^-1,
c^-1*a^-1*c^-1*b^-1*a*b^-1,
d*a*d*c*a^-1*c,
c^-1*d*c^-1*b^-1*d^-1*b^-1,
d*b*d*c*b^-1*c,
d^-1*a*c*d*c*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c^-1*b^-1*c^-1*a*b,
d^-1*a*d^-1*c^-1*d*c*d*b^-1*c^-1,
c*d*b^-1*c^-1*b^-1*c*b*a*b,
a^-1*b^-1*d^-1*a*d^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b*a*b*d*a^-1,
a^-1*b^-1*a^-1*d*a*d^-1*a*c*d,
b^-1*c^-1*a*b*a*b^-1*a^-1*d*a^-1,
b*c*a^-1*b^-1*a^-1*b*a*d^-1*a,
a*b*a*d^-1*a^-1*d*a^-1*c^-1*d^-1,
b*c*b*a*b^-1*a^-1*b^-1*d^-1*a,
a*b*d*a^-1*d*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b*c*b*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d^-1*c^-1*d^-1*b*c,
c^-1*d^-1*c^-1*b^-1*c*b*c*a^-1*b^-1,
d*a^-1*c^-1*d^-1*c^-1*d*c*b*c,
d^-1*a*d^-1*c^-1*b^-1*d*c*d*c^-1,
c*b^-1*c^-1*b^-1*a*b*c*d*b,
d^-1*c*d*c*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c^-1*b^-1*c^-1*b,
a^-1*b^-1*a^-1*d*c*a*d^-1*a*d,
b^-1*a*b*a*c^-1*b^-1*a^-1*d*a^-1,
a^-1*d^-1*a*d^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b*a*b*a^-1,
b*c*b*a*d^-1*b^-1*a^-1*b^-1*a,
a*d*a^-1*d*b*a*d^-1*c^-1*d^-1,
b*a^-1*b^-1*a^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a^-1*d*a^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*a^-1*c*b*c*b^-1,
d*c^-1*d^-1*c^-1*a^-1*d*c*b*c,
c^-1*b*c*b*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d^-1*c^-1*d^-1*c,
d^-1*a*a*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*a*b*c*d*a*b,
d^-1*a*d^-1*c^-1*d^-1*a*d^-1*c^-1*b^-1*b^-1*c^-1,
c*d*a*b*c*d*b*c*b*a*b,
a^-1*b^-1*b^-1*a^-1*d*c*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*d*d*a^-1,
a^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*d*c*c*d,
b^-1*c^-1*c^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*d*a^-1,
b*c*c*b*a*d^-1*a*b*a*d^-1*a,
a*b*a*d^-1*a*b*a*d^-1*c^-1*c^-1*d^-1,
b*c*b*a*b*c*b*a*d^-1*d^-1*a,
a*b*b*a*d^-1*c^-1*d^-1*a*d^-1*c^-1*d^-1,
c^-1*d^-1*d^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d*a^-1*d*c*b*b*c,
c^-1*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*d*c*b*c*d*c*b*c,
d^-1*a*d^-1*c^-1*d^-1*b*d^-1*c^-1,
c*b*d^-1*b*c*b*a*b,
d^-1*c^-1*a^-1*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*a^-1*c*b,
a^-1*b^-1*a^-1*d*a^-1*c^-1*a^-1*d,
b^-1*a^-1*c*a^-1*b^-1*a^-1*d*a^-1,
a^-1*d*b*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*d^-1*b^-1*a^-1,
b*c*b*a*b*d*b*a,
a*d^-1*b^-1*d^-1*a*d^-1*c^-1*d^-1,
b*a*c^-1*a*b*a*d^-1*a,
a*b*a*d^-1*a*c*a*d^-1,
c^-1*d^-1*c^-1*b^-1*c^-1*a*c^-1*b^-1,
d*c*a*c*d*c*b*c,
c^-1*b^-1*d*b^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d*b^-1*d*c,
d^-1*a*a*d^-1*c^-1*b^-1*a*b^-1*c^-1,
c*d*a*a*b*c*d*a*b,
d^-1*a*b^-1*a*d^-1*c^-1*b^-1*b^-1*c^-1,
c*d*a*b*c*d*d*a*b,
a^-1*b^-1*b^-1*a^-1*d*c*b^-1*c*d,
b^-1*c^-1*d*c^-1*b^-1*a^-1*d*d*a^-1,
a^-1*b^-1*c*b^-1*a^-1*d*c*c*d,
b^-1*c^-1*c^-1*b^-1*a^-1*d*c^-1*d*a^-1,
b*c*c*b*a*d^-1*c*d^-1*a,
a*b*c^-1*b*a*d^-1*c^-1*c^-1*d^-1,
b*c*d^-1*c*b*a*d^-1*d^-1*a,
a*b*b*a*d^-1*c^-1*b*c^-1*d^-1,
c^-1*d^-1*d^-1*c^-1*b^-1*a^-1*d^-1*a^-1*b^-1,
d*a^-1*b*a^-1*d*c*b*b*c,
c^-1*d^-1*a^-1*d^-1*c^-1*b^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*d*c*b*a^-1*b*c,
d^-1*a*d*a^-1*d*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b^-1*a^-1*b^-1*a*b,
d^-1*a*d^-1*c^-1*b^-1*c*b*c*b^-1*c^-1,
c*d*c^-1*d^-1*c^-1*a*b*c*d*b,
a^-1*b^-1*a*b*a*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a*d^-1*a*d*a^-1,
a^-1*b^-1*a^-1*d*c*d^-1*c^-1*d^-1*c*d,
b^-1*c^-1*b*c*b*c^-1*b^-1*a^-1*d*a^-1,
b*c*b^-1*c^-1*b^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d*c*d*c^-1*d^-1,
b*c*b*a*d^-1*a^-1*d*a^-1*d^-1*a,
a*b*a^-1*b^-1*a^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c*d*c*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c^-1*b^-1*c^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b*a*b*a^-1*b^-1,
d*a^-1*d^-1*a*d^-1*a^-1*d*c*b*c,
d^-1*a*d^-1*c^-1*d*d*c^-1,
c*b^-1*b^-1*c*b*a*b,
d^-1*c*c*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c^-1*c^-1*b,
a^-1*b^-1*a^-1*d*a*a*d,
b^-1*a*a*b^-1*a^-1*d*a^-1,
a^-1*d^-1*d^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b*b*a^-1,
b*c*b*a*b^-1*b^-1*a,
a*d*d*a*d^-1*c^-1*d^-1,
b*a^-1*a^-1*b*a*d^-1*a,
a*b*a*d^-1*a^-1*a^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*c*c*b^-1,
d*c^-1*c^-1*d*c*b*c,
c^-1*b*b*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d^-1*d^-1*c,
d^-1*b^-1*d^-1*c^-1*c^-1*c^-1,
c*c*c*b*d*b,
d^-1*d^-1*d^-1*c^-1*a*c^-1,
c*a*c*b*b*b,
a^-1*c*a^-1*d*d*d,
b^-1*b^-1*b^-1*a^-1*c^-1*a^-1,
a^-1*a^-1*a^-1*d*b^-1*d,
b^-1*d*b^-1*a^-1*a^-1*a^-1,
b*d^-1*b*a*a*a,
a*a*a*d^-1*b*d^-1,
b*b*b*a*c*a,
a*c^-1*a*d^-1*d^-1*d^-1,
c^-1*a^-1*c^-1*b^-1*b^-1*b^-1,
d*d*d*c*a^-1*c,
c^-1*c^-1*c^-1*b^-1*d^-1*b^-1,
d*b*d*c*c*c,
d^-1*b^-1*a^-1*b^-1*d^-1*c^-1*c^-1,
c*c*b*d*a^-1*d*b,
d^-1*d^-1*c^-1*a*b*a*c^-1,
c*a*d^-1*a*c*b*b,
a^-1*c*b*c*a^-1*d*d,
b^-1*b^-1*a^-1*c^-1*d^-1*c^-1*a^-1,
a^-1*a^-1*d*b^-1*c^-1*b^-1*d,
b^-1*d*c*d*b^-1*a^-1*a^-1,
b*d^-1*c^-1*d^-1*b*a*a,
a*a*d^-1*b*c*b*d^-1,
b*b*a*c*d*c*a,
a*c^-1*b^-1*c^-1*a*d^-1*d^-1,
c^-1*a^-1*d*a^-1*c^-1*b^-1*b^-1,
d*d*c*a^-1*b^-1*a^-1*c,
c^-1*c^-1*b^-1*d^-1*a*d^-1*b^-1,
d*b*a*b*d*c*c,
d^-1*a*d^-1*c^-1*d^-1*a*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*a*b*c*b*a*b,
d^-1*c^-1*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*d*c*b*c*b,
a^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*d*a^-1,
a^-1*d*a^-1*d*c*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*b^-1*a^-1,
b*c*b*a*b*c*b*a*b*a,
a*d^-1*a*d^-1*c^-1*d^-1*a*d^-1*c^-1*d^-1,
b*a*b*a*d^-1*a*b*a*d^-1*a,
a*b*a*d^-1*a*b*a*d^-1*a*d^-1,
c^-1*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*b*c*d*c*b*c,
c^-1*b^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d*a^-1*d*c*d*c,
d^-1*b*d^-1*b*d^-1*c^-1,
c*b*d^-1*b*d^-1*b,
d^-1*c^-1*a^-1*c^-1*a^-1*c^-1,
c*a^-1*c*a^-1*c*b,
a^-1*c^-1*a^-1*c^-1*a^-1*d,
b^-1*a^-1*c*a^-1*c*a^-1,
a^-1*d*b*d*b*d,
b^-1*d^-1*b^-1*d^-1*b^-1*a^-1,
b*d*b*d*b*a,
a*d^-1*b^-1*d^-1*b^-1*d^-1,
b*a*c^-1*a*c^-1*a,
a*c*a*c*a*d^-1,
c^-1*a*c^-1*a*c^-1*b^-1,
d*c*a*c*a*c,
c^-1*b^-1*d*b^-1*d*b^-1,
d*b^-1*d*b^-1*d*c,
d^-1*b*d^-1*b*b,
d^-1*d^-1*b*d^-1*b,
a^-1*a^-1*c^-1*a^-1*c^-1,
c*a^-1*c*a^-1*a^-1,
a^-1*c^-1*a^-1*c^-1*c^-1,
c*c*a^-1*c*a^-1,
b*b*d*b*d,
b^-1*d^-1*b^-1*d^-1*d^-1,
b*d*b*d*d,
b^-1*b^-1*d^-1*b^-1*d^-1,
c^-1*c^-1*a*c^-1*a,
a*c*a*c*c,
c^-1*a*c^-1*a*a,
a*a*c*a*c,
d*d*b^-1*d*b^-1,
d*b^-1*d*b^-1*b^-1,
d^-1*a*c^-1*a*d^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*b*a*c*a*b,
d^-1*a*d^-1*c^-1*c^-1*b^-1*d^-1*b^-1*c^-1,
c*d*b*d*c*c*b*a*b,
a^-1*b^-1*d*b^-1*a^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*a^-1*d*b^-1*d*a^-1,
a^-1*b^-1*a^-1*d*d*c*a^-1*c*d,
b^-1*c^-1*a^-1*c^-1*b^-1*b^-1*a^-1*d*a^-1,
b*c*a*c*b*b*a*d^-1*a,
a*b*a*d^-1*d^-1*c^-1*a*c^-1*d^-1,
b*c*b*a*a*d^-1*b*d^-1*a,
a*b*d^-1*b*a*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b^-1*d^-1*c^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*c*b*d*b*c,
c^-1*d^-1*c^-1*b^-1*b^-1*a^-1*c^-1*a^-1*b^-1,
d*a^-1*c*a^-1*d*d*c*b*c,
d^-1*a*d^-1*c^-1*b^-1*d^-1*b^-1*c^-1*c^-1,
c*c*d*b*a*b*c*d*b,
d^-1*d^-1*a*c^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c*a*b*b,
a^-1*b^-1*a^-1*d*c*a^-1*c*d*d,
b^-1*b^-1*c^-1*a^-1*c^-1*b^-1*a^-1*d*a^-1,
a^-1*a^-1*b^-1*d*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b^-1*d*a^-1*a^-1,
b*c*b*a*d^-1*b*d^-1*a*a,
a*a*b*d^-1*b*a*d^-1*c^-1*d^-1,
b*b*c*a*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a*c^-1*d^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*a^-1*b^-1*b^-1,
d*d*a^-1*c*a^-1*d*c*b*c,
c^-1*c^-1*d^-1*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d*b*c*c,
d^-1*b^-1*a^-1*c^-1*d^-1*c^-1*c^-1,
c*c*b*c*a^-1*d*b,
d^-1*d^-1*c^-1*d^-1*b*a*c^-1,
c*a*d^-1*b*c*b*b,
a^-1*c*b*d*a^-1*d*d,
b^-1*b^-1*a^-1*b^-1*d^-1*c^-1*a^-1,
a^-1*a^-1*d*a^-1*c^-1*b^-1*d,
b^-1*d*c*a^-1*b^-1*a^-1*a^-1,
b*d^-1*c^-1*a*b*a*a,
a*a*d^-1*a*c*b*d^-1,
b*b*a*b*d*c*a,
a*c^-1*b^-1*d^-1*a*d^-1*d^-1,
c^-1*a^-1*d*b^-1*c^-1*b^-1*b^-1,
d*d*c*d*b^-1*a^-1*c,
c^-1*c^-1*b^-1*c^-1*a*d^-1*b^-1,
d*b*a*c*d*c*c,
d^-1*b^-1*a^-1*b^-1*b^-1*a^-1*c^-1,
c*a^-1*d*d*a^-1*d*b,
d^-1*b*a*a*b*a*c^-1,
c*a*d^-1*a*a*d^-1*b,
a^-1*c*b*c*c*b*d,
b^-1*d^-1*c^-1*c^-1*d^-1*c^-1*a^-1,
a^-1*c^-1*b^-1*b^-1*c^-1*b^-1*d,
b^-1*d*c*d*d*c*a^-1,
b*d^-1*c^-1*d^-1*d^-1*c^-1*a,
a*c*b*b*c*b*d^-1,
b*d*c*c*d*c*a,
a*c^-1*b^-1*c^-1*c^-1*b^-1*d^-1,
c^-1*a^-1*d*a^-1*a^-1*d*b^-1,
d*b^-1*a^-1*a^-1*b^-1*a^-1*c,
c^-1*a*d^-1*d^-1*a*d^-1*b^-1,
d*b*a*b*b*a*c,
d^-1*a*a*d^-1*c^-1*d^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b*c*b*a*a*b,
d^-1*a*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*b^-1*c^-1,
c*d*d*c*b*c*a*b*c*d*b,
a^-1*b^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a^-1*b^-1*a^-1*d*d*a^-1,
a^-1*b^-1*a^-1*d*c*d*a^-1*d*c*c*d,
b^-1*c^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*c*b*a*b*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d^-1*a*d^-1*c^-1*c^-1*d^-1,
b*c*b*a*d^-1*a*b*a*d^-1*d^-1*a,
a*b*b*a*d^-1*a*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*d^-1*c^-1*b^-1*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c*d*c*b*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*c^-1*b^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*d*c*d*a^-1*d*c*b*c,
d^-1*a*d^-1*c^-1*d^-1*a*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*a*b*c*b*a*b,
d^-1*a*d^-1*c^-1*b^-1*b^-1*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*d*a*b*c*d*b,
a^-1*b^-1*a^-1*d*a^-1*b^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*d*a^-1*b^-1*a^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*c*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*c^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*b*a*b*c*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*c^-1*d^-1*a*d^-1*c^-1*d^-1,
b*c*b*a*d^-1*d^-1*a*b*a*d^-1*a,
a*b*a*d^-1*a*b*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*c^-1*d^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*b*c*d*c*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*a^-1*b^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d*a^-1*a^-1*d*c*b*c,
d^-1*a*d^-1*c^-1*c^-1*d*c^-1,
c*b^-1*c*c*b*a*b,
d^-1*c*d^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*b*c^-1*b,
a^-1*b^-1*a^-1*d*d*a*d,
b^-1*a*b^-1*b^-1*a^-1*d*a^-1,
a^-1*d^-1*a^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*a^-1*b*a^-1,
b*c*b*a*a*b^-1*a,
a*d*a*a*d^-1*c^-1*d^-1,
b*a^-1*b*b*a*d^-1*a,
a*b*a*d^-1*d^-1*a^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*b^-1*c*b^-1,
d*c^-1*d*d*c*b*c,
c^-1*b*c^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*c*d^-1*c,
d^-1*a*d^-1*c^-1*d*c^-1*c^-1,
c*c*b^-1*c*b*a*b,
d^-1*d^-1*c*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c^-1*b*b,
a^-1*b^-1*a^-1*d*a*d*d,
b^-1*b^-1*a*b^-1*a^-1*d*a^-1,
a^-1*a^-1*d^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b*a^-1*a^-1,
b*c*b*a*b^-1*a*a,
a*a*d*a*d^-1*c^-1*d^-1,
b*b*a^-1*b*a*d^-1*a,
a*b*a*d^-1*a^-1*d^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*c*b^-1*b^-1,
d*d*c^-1*d*c*b*c,
c^-1*c^-1*b*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d^-1*c*c,
d^-1*b^-1*d^-1*c^-1*d^-1*c^-1*c^-1,
c*c*b*c*b*d*b,
d^-1*d^-1*c^-1*d^-1*c^-1*a*c^-1,
c*a*c*b*c*b*b,
a^-1*c*a^-1*d*a^-1*d*d,
b^-1*b^-1*a^-1*b^-1*a^-1*c^-1*a^-1,
a^-1*a^-1*d*a^-1*d*b^-1*d,
b^-1*d*b^-1*a^-1*b^-1*a^-1*a^-1,
b*d^-1*b*a*b*a*a,
a*a*d^-1*a*d^-1*b*d^-1,
b*b*a*b*a*c*a,
a*c^-1*a*d^-1*a*d^-1*d^-1,
c^-1*a^-1*c^-1*b^-1*c^-1*b^-1*b^-1,
d*d*c*d*c*a^-1*c,
c^-1*c^-1*b^-1*c^-1*b^-1*d^-1*b^-1,
d*b*d*c*d*c*c,
d^-1*a*d^-1*b*d^-1*d^-1*c^-1,
c*b*b*d^-1*b*a*b,
d^-1*c^-1*c^-1*a^-1*c^-1*b^-1*c^-1,
c*d*c*a^-1*c*c*b,
a^-1*b^-1*a^-1*c^-1*a^-1*a^-1*d,
b^-1*a^-1*a^-1*c*a^-1*d*a^-1,
a^-1*d*d*b*d*c*d,
b^-1*c^-1*b^-1*d^-1*b^-1*b^-1*a^-1,
b*c*b*d*b*b*a,
a*d^-1*d^-1*b^-1*d^-1*c^-1*d^-1,
b*a*a*c^-1*a*d^-1*a,
a*b*a*c*a*a*d^-1,
c^-1*d^-1*c^-1*a*c^-1*c^-1*b^-1,
d*c*c*a*c*b*c,
c^-1*b^-1*b^-1*d*b^-1*a^-1*b^-1,
d*a^-1*d*b^-1*d*d*c,
d^-1*b^-1*d^-1*c^-1*c^-1*d^-1*c^-1,
c*b*c*c*b*d*b,
d^-1*c^-1*d^-1*d^-1*c^-1*a*c^-1,
c*a*c*b*b*c*b,
a^-1*c*a^-1*d*d*a^-1*d,
b^-1*a^-1*b^-1*b^-1*a^-1*c^-1*a^-1,
a^-1*d*a^-1*a^-1*d*b^-1*d,
b^-1*d*b^-1*a^-1*a^-1*b^-1*a^-1,
b*d^-1*b*a*a*b*a,
a*d^-1*a*a*d^-1*b*d^-1,
b*a*b*b*a*c*a,
a*c^-1*a*d^-1*d^-1*a*d^-1,
c^-1*a^-1*c^-1*b^-1*b^-1*c^-1*b^-1,
d*c*d*d*c*a^-1*c,
c^-1*b^-1*c^-1*c^-1*b^-1*d^-1*b^-1,
d*b*d*c*c*d*c,
d^-1*b^-1*d^-1*d^-1*a*d^-1*c^-1,
c*b*a*b*b*d*b,
d^-1*c^-1*b^-1*c^-1*c^-1*a*c^-1,
c*a*c*c*d*c*b,
a^-1*c*a^-1*a^-1*b^-1*a^-1*d,
b^-1*a^-1*d*a^-1*a^-1*c^-1*a^-1,
a^-1*d*c*d*d*b^-1*d,
b^-1*d*b^-1*b^-1*c^-1*b^-1*a^-1,
b*d^-1*b*b*c*b*a,
a*d^-1*c^-1*d^-1*d^-1*b*d^-1,
b*a*d^-1*a*a*c*a,
a*c^-1*a*a*b*a*d^-1,
c^-1*a^-1*c^-1*c^-1*d^-1*c^-1*b^-1,
d*c*b*c*c*a^-1*c,
c^-1*b^-1*a^-1*b^-1*b^-1*d^-1*b^-1,
d*b*d*d*a^-1*d*c,
d^-1*a*c^-1*a^-1*d*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b^-1*a^-1*c*a*b,
d^-1*a*d^-1*c^-1*b^-1*c*b*d^-1*b^-1*c^-1,
c*d*b*d^-1*c^-1*a*b*c*d*b,
a^-1*b^-1*d*b*a*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a*d^-1*b^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*d^-1*c^-1*a^-1*c*d,
b^-1*c^-1*a^-1*c*b*c^-1*b^-1*a^-1*d*a^-1,
b*c*a*c^-1*b^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d*c*a*c^-1*d^-1,
b*c*b*a*d^-1*a^-1*d*b*d^-1*a,
a*b*d^-1*b^-1*a^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b^-1*d*c*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c^-1*b^-1*d*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b*a*c^-1*a^-1*b^-1,
d*a^-1*c*a*d^-1*a^-1*d*c*b*c,
d^-1*a*d*a^-1*c^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c*a^-1*b^-1*a*b,
d^-1*a*d^-1*c^-1*b^-1*d^-1*b*c*b^-1*c^-1,
c*d*c^-1*d^-1*b*a*b*c*d*b,
a^-1*b^-1*a*b*d*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b^-1*d^-1*a*d*a^-1,
a^-1*b^-1*a^-1*d*c*a^-1*c^-1*d^-1*c*d,
b^-1*c^-1*b*c*a^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*b^-1*c^-1*a*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a*c*d*c^-1*d^-1,
b*c*b*a*d^-1*b*d*a^-1*d^-1*a,
a*b*a^-1*b^-1*d^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c*d*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d*b^-1*c^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*a*b*a^-1*b^-1,
d*a^-1*d^-1*a*c*a^-1*d*c*b*c,
d^-1*b^-1*a^-1*c^-1*c^-1*c^-1,
c*c*c*a^-1*d*b,
d^-1*d^-1*d^-1*b*a*c^-1,
c*a*d^-1*b*b*b,
a^-1*c*b*d*d*d,
b^-1*b^-1*b^-1*d^-1*c^-1*a^-1,
a^-1*a^-1*a^-1*c^-1*b^-1*d,
b^-1*d*c*a^-1*a^-1*a^-1,
b*d^-1*c^-1*a*a*a,
a*a*a*c*b*d^-1,
b*b*b*d*c*a,
a*c^-1*b^-1*d^-1*d^-1*d^-1,
c^-1*a^-1*d*b^-1*b^-1*b^-1,
d*d*d*b^-1*a^-1*c,
c^-1*c^-1*c^-1*a*d^-1*b^-1,
d*b*a*c*c*c,
d^-1*b^-1*b^-1*b^-1*a^-1*c^-1,
c*a^-1*d*d*d*b,
d^-1*b*a*a*a*c^-1,
c*a*a*a*d^-1*b,
a^-1*c*c*c*b*d,
b^-1*d^-1*c^-1*c^-1*c^-1*a^-1,
a^-1*c^-1*b^-1*b^-1*b^-1*d,
b^-1*d*d*d*c*a^-1,
b*d^-1*d^-1*d^-1*c^-1*a,
a*c*b*b*b*d^-1,
b*d*c*c*c*a,
a*c^-1*c^-1*c^-1*b^-1*d^-1,
c^-1*a^-1*a^-1*a^-1*d*b^-1,
d*b^-1*a^-1*a^-1*a^-1*c,
c^-1*a*d^-1*d^-1*d^-1*b^-1,
d*b*b*b*a*c,
d^-1*a*a*c*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c^-1*a*a*b,
d^-1*a*d^-1*c^-1*b^-1*d*b^-1*b^-1*c^-1,
c*d*d*b^-1*a*b*c*d*b,
a^-1*b^-1*b^-1*d^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b*d*d*a^-1,
a^-1*b^-1*a^-1*d*c*a*c*c*d,
b^-1*c^-1*c^-1*a*c^-1*b^-1*a^-1*d*a^-1,
b*c*c*a^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a^-1*c^-1*c^-1*d^-1,
b*c*b*a*d^-1*b^-1*d^-1*d^-1*a,
a*b*b*d*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*d^-1*b*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d^-1*b*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c*a^-1*a^-1*b^-1,
d*a^-1*a^-1*c^-1*a^-1*d*c*b*c,
d^-1*a*c*a*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*a*c^-1*a*b,
d^-1*a*d^-1*c^-1*b^-1*b^-1*d*b^-1*c^-1,
c*d*b^-1*d*a*b*c*d*b,
a^-1*b^-1*d^-1*b^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*d*b*d*a^-1,
a^-1*b^-1*a^-1*d*c*c*a*c*d,
b^-1*c^-1*a*c^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*a^-1*c*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*c^-1*a^-1*c^-1*d^-1,
b*c*b*a*d^-1*d^-1*b^-1*d^-1*a,
a*b*d*b*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b*d^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*b*d^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*a^-1*c*a^-1*b^-1,
d*a^-1*c^-1*a^-1*a^-1*d*c*b*c,
d^-1*a*d^-1*b*b*d^-1*c^-1,
c*b*d^-1*d^-1*b*a*b,
d^-1*c^-1*a^-1*a^-1*c^-1*b^-1*c^-1,
c*d*c*a^-1*a^-1*c*b,
a^-1*b^-1*a^-1*c^-1*c^-1*a^-1*d,
b^-1*a^-1*c*c*a^-1*d*a^-1,
a^-1*d*b*b*d*c*d,
b^-1*c^-1*b^-1*d^-1*d^-1*b^-1*a^-1,
b*c*b*d*d*b*a,
a*d^-1*b^-1*b^-1*d^-1*c^-1*d^-1,
b*a*c^-1*c^-1*a*d^-1*a,
a*b*a*c*c*a*d^-1,
c^-1*d^-1*c^-1*a*a*c^-1*b^-1,
d*c*a*a*c*b*c,
c^-1*b^-1*d*d*b^-1*a^-1*b^-1,
d*a^-1*d*b^-1*b^-1*d*c,
d^-1*b^-1*b^-1*d^-1*a*d^-1*c^-1,
c*b*a*b*d*d*b,
d^-1*c^-1*b^-1*c^-1*a*a*c^-1,
c*a*a*c*d*c*b,
a^-1*c*c*a^-1*b^-1*a^-1*d,
b^-1*a^-1*d*a^-1*c^-1*c^-1*a^-1,
a^-1*d*c*d*b^-1*b^-1*d,
b^-1*d*d*b^-1*c^-1*b^-1*a^-1,
b*d^-1*d^-1*b*c*b*a,
a*d^-1*c^-1*d^-1*b*b*d^-1,
b*a*d^-1*a*c*c*a,
a*c^-1*c^-1*a*b*a*d^-1,
c^-1*a^-1*a^-1*c^-1*d^-1*c^-1*b^-1,
d*c*b*c*a^-1*a^-1*c,
c^-1*b^-1*a^-1*b^-1*d^-1*d^-1*b^-1,
d*b*b*d*a^-1*d*c,
d^-1*a*d*b^-1*a^-1*d*c*d*b^-1*c^-1,
c*d*b^-1*c^-1*b^-1*a^-1*d*b^-1*a*b,
d^-1*a*c*a*b*c*d*c*b^-1*c^-1,
c*d*c^-1*a*d^-1*c^-1*b^-1*c^-1*a*b,
a^-1*b^-1*a*c*b*a*d^-1*a*c*d,
b^-1*c^-1*a*b*a*d^-1*c^-1*a*d*a^-1,
a^-1*b^-1*d^-1*a*d^-1*c^-1*b^-1*d^-1*c*d,
b^-1*c^-1*b*a*b*c*d*b*d*a^-1,
b*c*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1*d^-1*a,
a*b*d*a^-1*d*c*b*d*c^-1*d^-1,
b*c*a^-1*b^-1*a^-1*d*c*a^-1*d^-1*a,
a*b*a^-1*c^-1*b^-1*a^-1*d*a^-1*c^-1*d^-1,
c^-1*d^-1*c*a^-1*d*c*b*c*a^-1*b^-1,
d*a^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b*c,
c^-1*d^-1*b*c*b*a*d^-1*b*a^-1*b^-1,
d*a^-1*d^-1*b*a*d^-1*c^-1*d^-1*b*c,
d^-1*a*c*a*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*a*b*c*d*c^-1*a*b,
d^-1*a*d^-1*a*d^-1*c^-1*b^-1*d*b^-1*c^-1,
c*d*b^-1*a*b*c*d*b*a*b,
a^-1*b^-1*d^-1*b^-1*a^-1*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*d*b*d*a^-1,
a^-1*b^-1*a^-1*b^-1*a^-1*d*c*a*c*d,
b^-1*c^-1*a*c^-1*b^-1*a^-1*d*a^-1*d*a^-1,
b*c*a^-1*c*b*a*d^-1*a*d^-1*a,
a*b*a*b*a*d^-1*c^-1*a^-1*c^-1*d^-1,
b*c*b*c*b*a*d^-1*b^-1*d^-1*a,
a*b*d*b*a*d^-1*c^-1*d^-1*c^-1*d^-1,
c^-1*d^-1*b*d^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d*c*b*d^-1*b*c,
c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c*a^-1*b^-1,
d*a^-1*c^-1*a^-1*d*c*b*c*b*c,
d^-1*a*d^-1*b*d^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b*d^-1*b*a*b,
d^-1*a*d^-1*c^-1*b^-1*c^-1*a^-1*c^-1*b^-1*c^-1,
c*d*c*a^-1*c*a*b*c*d*b,
a^-1*b^-1*a^-1*c^-1*a^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a^-1*c*a^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*d*b*d*c*d,
b^-1*c^-1*b^-1*d^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*b*d*b*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d^-1*b^-1*d^-1*c^-1*d^-1,
b*c*b*a*d^-1*a*c^-1*a*d^-1*a,
a*b*a*c*a*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*a*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c*a*c*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*d*b^-1*a^-1*b^-1,
d*a^-1*d*b^-1*d*a^-1*d*c*b*c,
d^-1*a*d^-1*d^-1*a*d^-1*c^-1*c^-1,
c*c*b*a*b*b*a*b,
d^-1*d^-1*c^-1*b^-1*c^-1*c^-1*b^-1*c^-1,
c*d*c*c*d*c*b*b,
a^-1*b^-1*a^-1*a^-1*b^-1*a^-1*d*d,
b^-1*b^-1*a^-1*d*a^-1*a^-1*d*a^-1,
a^-1*a^-1*d*c*d*d*c*d,
b^-1*c^-1*b^-1*b^-1*c^-1*b^-1*a^-1*a^-1,
b*c*b*b*c*b*a*a,
a*a*d^-1*c^-1*d^-1*d^-1*c^-1*d^-1,
b*b*a*d^-1*a*a*d^-1*a,
a*b*a*a*b*a*d^-1*d^-1,
c^-1*d^-1*c^-1*c^-1*d^-1*c^-1*b^-1*b^-1,
d*d*c*b*c*c*b*c,
c^-1*c^-1*b^-1*a^-1*b^-1*b^-1*a^-1*b^-1,
d*a^-1*d*d*a^-1*d*c*c,
d^-1*a*d^-1*c^-1*b*a*b*c^-1,
c*d^-1*a*d^-1*c*b*a*b,
d^-1*a^-1*b^-1*a^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*a^-1*d*a^-1*b,
a^-1*b^-1*a^-1*d*c^-1*b^-1*c^-1*d,
b^-1*c*d*c*b^-1*a^-1*d*a^-1,
a^-1*b*c*b*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d^-1*c^-1*d^-1*a^-1,
b*c*b*a*d*c*d*a,
a*b^-1*c^-1*b^-1*a*d^-1*c^-1*d^-1,
b*c^-1*d^-1*c^-1*b*a*d^-1*a,
a*b*a*d^-1*c*b*c*d^-1,
c^-1*d^-1*c^-1*b^-1*a*d^-1*a*b^-1,
d*a*b*a*d*c*b*c,
c^-1*d*a^-1*d*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b^-1*a^-1*b^-1*c,
d^-1*b^-1*c*b^-1*d^-1*c^-1,
c*b*d*c^-1*d*b,
d^-1*c^-1*a*d*a*c^-1,
c*a*b^-1*a*c*b,
a^-1*c*d^-1*c*a^-1*d,
b^-1*a^-1*c^-1*b*c^-1*a^-1,
a^-1*d*b^-1*a*b^-1*d,
b^-1*d*a*d*b^-1*a^-1,
b*d^-1*a^-1*d^-1*b*a,
a*d^-1*b*a^-1*b*d^-1,
b*a*c*b^-1*c*a,
a*c^-1*d*c^-1*a*d^-1,
c^-1*a^-1*b*a^-1*c^-1*b^-1,
d*c*a^-1*d^-1*a^-1*c,
c^-1*b^-1*d^-1*c*d^-1*b^-1,
d*b*c^-1*b*d*c,
d^-1*a*a*d^-1*c^-1*a^-1*d*b^-1*c^-1,
c*d*b^-1*a^-1*c*b*a*a*b,
d^-1*a*c*b*d^-1*c^-1*b^-1*b^-1*c^-1,
c*d*d*c*b*d^-1*c^-1*a*b,
a^-1*b^-1*b^-1*a^-1*d*b*a*c*d,
b^-1*c^-1*a*d^-1*b^-1*a^-1*d*d*a^-1,
a^-1*b^-1*d^-1*c^-1*a^-1*d*c*c*d,
b^-1*c^-1*c^-1*b^-1*a^-1*c*b*d*a^-1,
b*c*c*b*a*c^-1*b^-1*d^-1*a,
a*b*d*c*a*d^-1*c^-1*c^-1*d^-1,
b*c*a^-1*d*b*a*d^-1*d^-1*a,
a*b*b*a*d^-1*b^-1*a^-1*c^-1*d^-1,
c^-1*d^-1*d^-1*c^-1*b^-1*d*c*a^-1*b^-1,
d*a^-1*c^-1*b^-1*d*c*b*b*c,
c^-1*d^-1*b*a*c^-1*b^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*d*c*a*d^-1*b*c,
d^-1*a*c^-1*d*c*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c^-1*b^-1*c*a*b,
d^-1*a*d^-1*c^-1*d*c*d^-1*b^-1*c^-1,
c*d*b*c^-1*b^-1*c*b*a*b,
a^-1*b^-1*d*a*d^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b*a*b^-1*d*a^-1,
a^-1*b^-1*a^-1*d*a*d^-1*a^-1*c*d,
b^-1*c^-1*a^-1*b*a*b^-1*a^-1*d*a^-1,
b*c*a*b^-1*a^-1*b*a*d^-1*a,
a*b*a*d^-1*a^-1*d*a*c^-1*d^-1,
b*c*b*a*b^-1*a^-1*b*d^-1*a,
a*b*d^-1*a^-1*d*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b^-1*c*b*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d^-1*c^-1*d*b*c,
c^-1*d^-1*c^-1*b^-1*c*b*c^-1*a^-1*b^-1,
d*a^-1*c*d^-1*c^-1*d*c*b*c,
d^-1*a*c*b*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*d*c*d^-1*c^-1*a*b,
d^-1*a*d^-1*a*d^-1*a^-1*d*b^-1*c^-1,
c*d*b^-1*a^-1*b*a*b*a*b,
a^-1*b^-1*d^-1*c^-1*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*c*b*d*a^-1,
a^-1*b^-1*a^-1*b^-1*a^-1*b*a*c*d,
b^-1*c^-1*a*d^-1*a^-1*d*a^-1*d*a^-1,
b*c*a^-1*d*a*d^-1*a*d^-1*a,
a*b*a*b*a*b^-1*a^-1*c^-1*d^-1,
b*c*b*c*b*c^-1*b^-1*d^-1*a,
a*b*d*c*d^-1*c^-1*d^-1*c^-1*d^-1,
c^-1*d^-1*b*a*b^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d*a*d^-1*b*c,
c^-1*d^-1*c^-1*d^-1*c^-1*d*c*a^-1*b^-1,
d*a^-1*c^-1*b^-1*c*b*c*b*c,
d^-1*a*d^-1*c^-1*b^-1*d^-1*c*d*c^-1,
c*b^-1*c^-1*b*a*b*c*d*b,
d^-1*c*d*c^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c*b^-1*c^-1*b,
a^-1*b^-1*a^-1*d*c*a^-1*d^-1*a*d,
b^-1*a*b*a^-1*c^-1*b^-1*a^-1*d*a^-1,
a^-1*d^-1*a*d*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b^-1*a*b*a^-1,
b*c*b*a*d^-1*b*a^-1*b^-1*a,
a*d*a^-1*d^-1*b*a*d^-1*c^-1*d^-1,
b*a^-1*b^-1*a*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a*d*a^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b*c*b^-1,
d*c^-1*d^-1*c*a^-1*d*c*b*c,
c^-1*b*c*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d*c^-1*d^-1*c,
d^-1*a*c*d*b*a*d^-1*c^-1*c^-1,
c*c*b*a*d^-1*b^-1*c^-1*a*b,
d^-1*d^-1*c^-1*b^-1*a^-1*c*d*b^-1*c^-1,
c*d*b^-1*c^-1*a^-1*d*c*b*b,
a^-1*b^-1*d^-1*a*c^-1*b^-1*a^-1*d*d,
b^-1*b^-1*a^-1*d*c*a*b*d*a^-1,
a^-1*a^-1*d*c*b*d^-1*a*c*d,
b^-1*c^-1*a*b*d^-1*c^-1*b^-1*a^-1*a^-1,
b*c*a^-1*b^-1*a*b*c*d*a,
a*a*d^-1*c^-1*b^-1*d*a^-1*c^-1*d^-1,
b*b*a*d^-1*c^-1*a^-1*b^-1*d^-1*a,
a*b*d*a^-1*c*b*a*d^-1*d^-1,
c^-1*d^-1*b*c*a*d^-1*c^-1*b^-1*b^-1,
d*a*b*c*d*c^-1*d^-1*b*c,
c^-1*c^-1*b^-1*a^-1*d*b*c*a^-1*b^-1,
d*a^-1*c^-1*d^-1*b^-1*a^-1*d*c*c,
d^-1*a*c*a*c*b*c^-1,
c*d^-1*c^-1*a*c^-1*a*b,
d^-1*a^-1*d*b^-1*d*b^-1*c^-1,
c*d*b^-1*d*b^-1*a^-1*b,
a^-1*b^-1*d^-1*b^-1*d^-1*c^-1*d,
b^-1*c*b*d*b*d*a^-1,
a^-1*b*a*c*a*c*d,
b^-1*c^-1*a*c^-1*a*d^-1*a^-1,
b*c*a^-1*c*a^-1*d*a,
a*b^-1*a^-1*c^-1*a^-1*c^-1*d^-1,
b*c^-1*b^-1*d^-1*b^-1*d^-1*a,
a*b*d*b*d*c*d^-1,
c^-1*d^-1*b*d^-1*b*a*b^-1,
d*a*d^-1*b*d^-1*b*c,
c^-1*d*c*a^-1*c*a^-1*b^-1,
d*a^-1*c^-1*a^-1*c^-1*b^-1*c,
d^-1*b^-1*a^-1*d*c*d*c*d*c^-1,
c*b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*d*b,
d^-1*c*d*c*a*b*c*d*c^-1,
c*a*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1*b,
a^-1*c*b*a*d^-1*a*d^-1*a*d,
b^-1*a*b*a*b*a*d^-1*c^-1*a^-1,
a^-1*d^-1*a*d^-1*a*d^-1*c^-1*b^-1*d,
b^-1*a*b*c*d*b*a*b*a^-1,
b*d^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1*a,
a*d*a^-1*d*a^-1*d*c*b*d^-1,
b*a^-1*b^-1*a^-1*b^-1*a^-1*d*c*a,
a*c^-1*b^-1*a^-1*d*a^-1*d*a^-1*d^-1,
c^-1*a^-1*d*c*b*c*b*c*b^-1,
d*c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c,
c^-1*b*c*b*c*b*a*d^-1*b^-1,
d*b*a*d^-1*c^-1*d^-1*c^-1*d^-1*c,
d^-1*b^-1*d^-1*b^-1*a^-1*d*c^-1,
c*b^-1*a^-1*d*b*d*b,
d^-1*c*b*a*c^-1*a*c^-1,
c*a*c*a*d^-1*c^-1*b,
a^-1*c*a^-1*c*b*a*d,
b^-1*a*d^-1*c^-1*a^-1*c^-1*a^-1,
a^-1*d^-1*c^-1*b^-1*d*b^-1*d,
b^-1*d*b^-1*d*c*b*a^-1,
b*d^-1*b*d^-1*c^-1*b^-1*a,
a*d*c*b*d^-1*b*d^-1,
b*a^-1*d*c*a*c*a,
a*c^-1*a*c^-1*b^-1*a^-1*d^-1,
c^-1*a^-1*c^-1*a^-1*d*c*b^-1,
d*c^-1*b^-1*a^-1*c*a^-1*c,
c^-1*b*a*d^-1*b^-1*d^-1*b^-1,
d*b*d*b*a*d^-1*c,
d^-1*a*d*a*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*a*b*c*d*b^-1*a*b,
d^-1*a*d^-1*a*d^-1*c^-1*b^-1*c*b^-1*c^-1,
c*d*c^-1*a*b*c*d*b*a*b,
a^-1*b^-1*a*b^-1*a^-1*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*d*a*d*a^-1,
a^-1*b^-1*a^-1*b^-1*a^-1*d*c*d^-1*c*d,
b^-1*c^-1*b*c^-1*b^-1*a^-1*d*a^-1*d*a^-1,
b*c*b^-1*c*b*a*d^-1*a*d^-1*a,
a*b*a*b*a*d^-1*c^-1*d*c^-1*d^-1,
b*c*b*c*b*a*d^-1*a^-1*d^-1*a,
a*b*a^-1*b*a*d^-1*c^-1*d^-1*c^-1*d^-1,
c^-1*d^-1*c*d^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d*c*b*c^-1*b*c,
c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*a^-1*b*a^-1*b^-1,
d*a^-1*d^-1*a^-1*d*c*b*c*b*c,
d^-1*a*d^-1*c^-1*c^-1*d^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b*c*c*b*a*b,
d^-1*a*d^-1*c^-1*b^-1*c^-1*d^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*b*c*a*b*c*d*b,
a^-1*b^-1*a^-1*d*d*a^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a^-1*b^-1*b^-1*a^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*d*a^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*a^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*b*a*a*b*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d^-1*a*a*d^-1*c^-1*d^-1,
b*c*b*a*d^-1*a*b*b*a*d^-1*a,
a*b*a*d^-1*d^-1*a*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*b^-1*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c*d*d*c*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*c^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*c*d*a^-1*d*c*b*c,
d^-1*a*d^-1*c^-1*c^-1*d^-1*c^-1*c^-1,
c*c*b*c*c*b*a*b,
d^-1*d^-1*c^-1*d^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*b*c*b*b,
a^-1*b^-1*a^-1*d*d*a^-1*d*d,
b^-1*b^-1*a^-1*b^-1*b^-1*a^-1*d*a^-1,
a^-1*a^-1*d*a^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*a^-1*b^-1*a^-1*a^-1,
b*c*b*a*a*b*a*a,
a*a*d^-1*a*a*d^-1*c^-1*d^-1,
b*b*a*b*b*a*d^-1*a,
a*b*a*d^-1*d^-1*a*d^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*b^-1*c^-1*b^-1*b^-1,
d*d*c*d*d*c*b*c,
c^-1*c^-1*b^-1*c^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*c*d*c*c,
d^-1*b^-1*d^-1*c^-1*d^-1*d^-1*c^-1,
c*b*b*c*b*d*b,
d^-1*c^-1*c^-1*d^-1*c^-1*a*c^-1,
c*a*c*b*c*c*b,
a^-1*c*a^-1*d*a^-1*a^-1*d,
b^-1*a^-1*a^-1*b^-1*a^-1*c^-1*a^-1,
a^-1*d*d*a^-1*d*b^-1*d,
b^-1*d*b^-1*a^-1*b^-1*b^-1*a^-1,
b*d^-1*b*a*b*b*a,
a*d^-1*d^-1*a*d^-1*b*d^-1,
b*a*a*b*a*c*a,
a*c^-1*a*d^-1*a*a*d^-1,
c^-1*a^-1*c^-1*b^-1*c^-1*c^-1*b^-1,
d*c*c*d*c*a^-1*c,
c^-1*b^-1*b^-1*c^-1*b^-1*d^-1*b^-1,
d*b*d*c*d*d*c,
d^-1*a*c*d*c*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c^-1*b^-1*c^-1*a*b,
d^-1*a*d^-1*c^-1*b^-1*d*c*d*b^-1*c^-1,
c*d*b^-1*c^-1*b^-1*a*b*c*d*b,
a^-1*b^-1*d^-1*a*d^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b*a*b*d*a^-1,
a^-1*b^-1*a^-1*d*c*a*d^-1*a*c*d,
b^-1*c^-1*a*b*a*c^-1*b^-1*a^-1*d*a^-1,
b*c*a^-1*b^-1*a^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a^-1*d*a^-1*c^-1*d^-1,
b*c*b*a*d^-1*b^-1*a^-1*b^-1*d^-1*a,
a*b*d*a^-1*d*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b*c*b*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d^-1*c^-1*d^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c*b*c*a^-1*b^-1,
d*a^-1*c^-1*d^-1*c^-1*a^-1*d*c*b*c,
d^-1*a*d^-1*a*d^-1*c^-1*b*c^-1,
c*d^-1*c*b*a*b*a*b,
d^-1*a^-1*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*d*c*b*a^-1*b,
a^-1*b^-1*a^-1*b^-1*a^-1*d*c^-1*d,
b^-1*c*b^-1*a^-1*d*a^-1*d*a^-1,
a^-1*b*a^-1*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*d^-1*a^-1,
b*c*b*c*b*a*d*a,
a*b^-1*a*d^-1*c^-1*d^-1*c^-1*d^-1,
b*c^-1*b*a*d^-1*a*d^-1*a,
a*b*a*b*a*d^-1*c*d^-1,
c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*a*b^-1,
d*a*d*c*b*c*b*c,
c^-1*d*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d*c*b^-1*c,
d^-1*a*d^-1*c^-1*b*c^-1*c^-1,
c*c*d^-1*c*b*a*b,
d^-1*d^-1*a^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*a^-1*b*b,
a^-1*b^-1*a^-1*d*c^-1*d*d,
b^-1*b^-1*c*b^-1*a^-1*d*a^-1,
a^-1*a^-1*b*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d^-1*a^-1*a^-1,
b*c*b*a*d*a*a,
a*a*b^-1*a*d^-1*c^-1*d^-1,
b*b*c^-1*b*a*d^-1*a,
a*b*a*d^-1*c*d^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*a*b^-1*b^-1,
d*d*a*d*c*b*c,
c^-1*c^-1*d*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b^-1*c*c,
d^-1*a*d^-1*c^-1*c^-1*b*c^-1,
c*d^-1*c*c*b*a*b,
d^-1*a^-1*d^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*b*a^-1*b,
a^-1*b^-1*a^-1*d*d*c^-1*d,
b^-1*c*b^-1*b^-1*a^-1*d*a^-1,
a^-1*b*a^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*a^-1*d^-1*a^-1,
b*c*b*a*a*d*a,
a*b^-1*a*a*d^-1*c^-1*d^-1,
b*c^-1*b*b*a*d^-1*a,
a*b*a*d^-1*d^-1*c*d^-1,
c^-1*d^-1*c^-1*b^-1*b^-1*a*b^-1,
d*a*d*d*c*b*c,
c^-1*d*c^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*c*b^-1*c,
d^-1*b^-1*b^-1*a^-1*b^-1*d^-1*c^-1,
c*b*d*a^-1*d*d*b,
d^-1*c^-1*a*b*a*a*c^-1,
c*a*a*d^-1*a*c*b,
a^-1*c*c*b*c*a^-1*d,
b^-1*a^-1*c^-1*d^-1*c^-1*c^-1*a^-1,
a^-1*d*b^-1*c^-1*b^-1*b^-1*d,
b^-1*d*d*c*d*b^-1*a^-1,
b*d^-1*d^-1*c^-1*d^-1*b*a,
a*d^-1*b*c*b*b*d^-1,
b*a*c*d*c*c*a,
a*c^-1*c^-1*b^-1*c^-1*a*d^-1,
c^-1*a^-1*a^-1*d*a^-1*c^-1*b^-1,
d*c*a^-1*b^-1*a^-1*a^-1*c,
c^-1*b^-1*d^-1*a*d^-1*d^-1*b^-1,
d*b*b*a*b*d*c,
d^-1*b^-1*a^-1*b^-1*b^-1*d^-1*c^-1,
c*b*d*d*a^-1*d*b,
d^-1*c^-1*a*a*b*a*c^-1,
c*a*d^-1*a*a*c*b,
a^-1*c*b*c*c*a^-1*d,
b^-1*a^-1*c^-1*c^-1*d^-1*c^-1*a^-1,
a^-1*d*b^-1*b^-1*c^-1*b^-1*d,
b^-1*d*c*d*d*b^-1*a^-1,
b*d^-1*c^-1*d^-1*d^-1*b*a,
a*d^-1*b*b*c*b*d^-1,
b*a*c*c*d*c*a,
a*c^-1*b^-1*c^-1*c^-1*a*d^-1,
c^-1*a^-1*d*a^-1*a^-1*c^-1*b^-1,
d*c*a^-1*a^-1*b^-1*a^-1*c,
c^-1*b^-1*d^-1*d^-1*a*d^-1*b^-1,
d*b*a*b*b*d*c,
d^-1*a*d*c*d*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b^-1*c^-1*b^-1*a*b,
d^-1*a*d^-1*c^-1*b^-1*c*d*c*b^-1*c^-1,
c*d*c^-1*b^-1*c^-1*a*b*c*d*b,
a^-1*b^-1*a*d^-1*a*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a*b*a*d*a^-1,
a^-1*b^-1*a^-1*d*c*d^-1*a*d^-1*c*d,
b^-1*c^-1*b*a*b*c^-1*b^-1*a^-1*d*a^-1,
b*c*b^-1*a^-1*b^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d*a^-1*d*c^-1*d^-1,
b*c*b*a*d^-1*a^-1*b^-1*a^-1*d^-1*a,
a*b*a^-1*d*a^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c*b*c*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c^-1*d^-1*c^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b*c*b*a^-1*b^-1,
d*a^-1*d^-1*c^-1*d^-1*a^-1*d*c*b*c,
d^-1*a*c*c*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c^-1*c^-1*a*b,
d^-1*a*d^-1*c^-1*b^-1*d*d*b^-1*c^-1,
c*d*b^-1*b^-1*a*b*c*d*b,
a^-1*b^-1*d^-1*d^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b*b*d*a^-1,
a^-1*b^-1*a^-1*d*c*a*a*c*d,
b^-1*c^-1*a*a*c^-1*b^-1*a^-1*d*a^-1,
b*c*a^-1*a^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a^-1*a^-1*c^-1*d^-1,
b*c*b*a*d^-1*b^-1*b^-1*d^-1*a,
a*b*d*d*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b*b*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d^-1*d^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c*c*a^-1*b^-1,
d*a^-1*c^-1*c^-1*a^-1*d*c*b*c,
d^-1*a*d^-1*a*d^-1*c^-1*c^-1*c^-1,
c*c*c*b*a*b*a*b,
d^-1*d^-1*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*d*c*b*b*b,
a^-1*b^-1*a^-1*b^-1*a^-1*d*d*d,
b^-1*b^-1*b^-1*a^-1*d*a^-1*d*a^-1,
a^-1*a^-1*a^-1*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*a^-1*a^-1,
b*c*b*c*b*a*a*a,
a*a*a*d^-1*c^-1*d^-1*c^-1*d^-1,
b*b*b*a*d^-1*a*d^-1*a,
a*b*a*b*a*d^-1*d^-1*d^-1,
c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*b^-1*b^-1,
d*d*d*c*b*c*b*c,
c^-1*c^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d*c*c*c,
d^-1*b^-1*b^-1*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*d*d*b,
d^-1*c^-1*d^-1*c^-1*a*a*c^-1,
c*a*a*c*b*c*b,
a^-1*c*c*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*c^-1*c^-1*a^-1,
a^-1*d*a^-1*d*b^-1*b^-1*d,
b^-1*d*d*b^-1*a^-1*b^-1*a^-1,
b*d^-1*d^-1*b*a*b*a,
a*d^-1*a*d^-1*b*b*d^-1,
b*a*b*a*c*c*a,
a*c^-1*c^-1*a*d^-1*a*d^-1,
c^-1*a^-1*a^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*a^-1*a^-1*c,
c^-1*b^-1*c^-1*b^-1*d^-1*d^-1*b^-1,
d*b*b*d*c*d*c,
d^-1*a*c^-1*a^-1*c^-1*a*d^-1*c^-1*b^-1*c^-1,
c*d*b*d^-1*b*a*b*c*d*b,
a^-1*b^-1*d*b*d*b^-1*a^-1*d*c*d,
b^-1*c^-1*a^-1*c*a^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*a*c^-1*a*c*b*a*d^-1*a,
a*b*d^-1*b^-1*d^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b^-1*d*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*c*a*c*a^-1*d*c*b*c,
d^-1*a*b*a*d^-1*c^-1*a*c*a*c^-1,
c*d*a^-1*d*c*b*d*b^-1*d*b,
a^-1*b^-1*c^-1*b^-1*a^-1*d*b^-1*d^-1*b^-1*d,
b^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*a*c^-1*a^-1,
b*c*a*b*c*d*c*a^-1*c*a,
a*b*c*b*a*d^-1*b*d*b*d^-1,
c^-1*d^-1*a*d^-1*c^-1*b^-1*d^-1*b*d^-1*b^-1,
d*a^-1*b^-1*a^-1*d*c*a^-1*c^-1*a^-1*c,
d^-1*a*d^-1*a*d^-1*a*d^-1*c^-1*c^-1,
c*c*b*a*b*a*b*a*b,
d^-1*d^-1*c^-1*b^-1*c^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*d*c*d*c*b*b,
a^-1*b^-1*a^-1*b^-1*a^-1*b^-1*a^-1*d*d,
b^-1*b^-1*a^-1*d*a^-1*d*a^-1*d*a^-1,
a^-1*a^-1*d*c*d*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*b^-1*c^-1*b^-1*a^-1*a^-1,
b*c*b*c*b*c*b*a*a,
a*a*d^-1*c^-1*d^-1*c^-1*d^-1*c^-1*d^-1,
b*b*a*d^-1*a*d^-1*a*d^-1*a,
a*b*a*b*a*b*a*d^-1*d^-1,
c^-1*d^-1*c^-1*d^-1*c^-1*d^-1*c^-1*b^-1*b^-1,
d*d*c*b*c*b*c*b*c,
c^-1*c^-1*b^-1*a^-1*b^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*d*a^-1*d*c*c,
d^-1*a*d^-1*c^-1*b*b*c^-1,
c*d^-1*d^-1*c*b*a*b,
d^-1*a^-1*a^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*a^-1*a^-1*b,
a^-1*b^-1*a^-1*d*c^-1*c^-1*d,
b^-1*c*c*b^-1*a^-1*d*a^-1,
a^-1*b*b*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d^-1*d^-1*a^-1,
b*c*b*a*d*d*a,
a*b^-1*b^-1*a*d^-1*c^-1*d^-1,
b*c^-1*c^-1*b*a*d^-1*a,
a*b*a*d^-1*c*c*d^-1,
c^-1*d^-1*c^-1*b^-1*a*a*b^-1,
d*a*a*d*c*b*c,
c^-1*d*d*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b^-1*b^-1*c,
d^-1*b^-1*b^-1*b^-1*d^-1*c^-1,
c*b*d*d*d*b,
d^-1*c^-1*a*a*a*c^-1,
c*a*a*a*c*b,
a^-1*c*c*c*a^-1*d,
b^-1*a^-1*c^-1*c^-1*c^-1*a^-1,
a^-1*d*b^-1*b^-1*b^-1*d,
b^-1*d*d*d*b^-1*a^-1,
b*d^-1*d^-1*d^-1*b*a,
a*d^-1*b*b*b*d^-1,
b*a*c*c*c*a,
a*c^-1*c^-1*c^-1*a*d^-1,
c^-1*a^-1*a^-1*a^-1*c^-1*b^-1,
d*c*a^-1*a^-1*a^-1*c,
c^-1*b^-1*d^-1*d^-1*d^-1*b^-1,
d*b*b*b*d*c,
d^-1*a*d*d*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b^-1*b^-1*a*b,
d^-1*a*d^-1*c^-1*b^-1*c*c*b^-1*c^-1,
c*d*c^-1*c^-1*a*b*c*d*b,
a^-1*b^-1*a*a*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a*a*d*a^-1,
a^-1*b^-1*a^-1*d*c*d^-1*d^-1*c*d,
b^-1*c^-1*b*b*c^-1*b^-1*a^-1*d*a^-1,
b*c*b^-1*b^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d*d*c^-1*d^-1,
b*c*b*a*d^-1*a^-1*a^-1*d^-1*a,
a*b*a^-1*a^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c*c*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c^-1*c^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b*b*a^-1*b^-1,
d*a^-1*d^-1*d^-1*a^-1*d*c*b*c,
d^-1*b^-1*a^-1*b^-1*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*d*a^-1*d*b,
d^-1*c^-1*d^-1*c^-1*a*b*a*c^-1,
c*a*d^-1*a*c*b*c*b,
a^-1*c*b*c*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*c^-1*d^-1*c^-1*a^-1,
a^-1*d*a^-1*d*b^-1*c^-1*b^-1*d,
b^-1*d*c*d*b^-1*a^-1*b^-1*a^-1,
b*d^-1*c^-1*d^-1*b*a*b*a,
a*d^-1*a*d^-1*b*c*b*d^-1,
b*a*b*a*c*d*c*a,
a*c^-1*b^-1*c^-1*a*d^-1*a*d^-1,
c^-1*a^-1*d*a^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*a^-1*b^-1*a^-1*c,
c^-1*b^-1*c^-1*b^-1*d^-1*a*d^-1*b^-1,
d*b*a*b*d*c*d*c,
d^-1*a*c^-1*d^-1*d^-1*c^-1*a*d^-1*c^-1*b^-1*c^-1,
c*d*b*c*c*b*a*b*c*d*b,
a^-1*b^-1*d*a^-1*a^-1*d*b^-1*a^-1*d*c*d,
b^-1*c^-1*a^-1*b^-1*b^-1*a^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*a*b*b*a*c*b*a*d^-1*a,
a*b*d^-1*a*a*d^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b^-1*c^-1*c^-1*b^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*c*d*d*c*a^-1*d*c*b*c,
d^-1*a*b*a*d^-1*c^-1*a*d^-1*d^-1*a*c^-1,
c*d*a^-1*d*c*b*d*c*c*d*b,
a^-1*b^-1*c^-1*b^-1*a^-1*d*b^-1*a^-1*a^-1*b^-1*d,
b^-1*c^-1*d^-1*c^-1*b^-1*a^-1*c^-1*b^-1*b^-1*c^-1*a^-1,
b*c*a*b*c*d*c*b*b*c*a,
a*b*c*b*a*d^-1*b*a*a*b*d^-1,
c^-1*d^-1*a*d^-1*c^-1*b^-1*d^-1*c^-1*c^-1*d^-1*b^-1,
d*a^-1*b^-1*a^-1*d*c*a^-1*d*d*a^-1*c,
d^-1*a*d^-1*c^-1*c^-1*c^-1*c^-1,
c*c*c*c*b*a*b,
d^-1*d^-1*d^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*b*b*b,
a^-1*b^-1*a^-1*d*d*d*d,
b^-1*b^-1*b^-1*b^-1*a^-1*d*a^-1,
a^-1*a^-1*a^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*a^-1*a^-1*a^-1,
b*c*b*a*a*a*a,
a*a*a*a*d^-1*c^-1*d^-1,
b*b*b*b*a*d^-1*a,
a*b*a*d^-1*d^-1*d^-1*d^-1,
c^-1*d^-1*c^-1*b^-1*b^-1*b^-1*b^-1,
d*d*d*d*c*b*c,
c^-1*c^-1*c^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*c*c*c,
d^-1*b^-1*d^-1*c^-1*d^-1*c^-1*d^-1*c^-1,
c*b*c*b*c*b*d*b,
d^-1*c^-1*d^-1*c^-1*d^-1*c^-1*a*c^-1,
c*a*c*b*c*b*c*b,
a^-1*c*a^-1*d*a^-1*d*a^-1*d,
b^-1*a^-1*b^-1*a^-1*b^-1*a^-1*c^-1*a^-1,
a^-1*d*a^-1*d*a^-1*d*b^-1*d,
b^-1*d*b^-1*a^-1*b^-1*a^-1*b^-1*a^-1,
b*d^-1*b*a*b*a*b*a,
a*d^-1*a*d^-1*a*d^-1*b*d^-1,
b*a*b*a*b*a*c*a,
a*c^-1*a*d^-1*a*d^-1*a*d^-1,
c^-1*a^-1*c^-1*b^-1*c^-1*b^-1*c^-1*b^-1,
d*c*d*c*d*c*a^-1*c,
c^-1*b^-1*c^-1*b^-1*c^-1*b^-1*d^-1*b^-1,
d*b*d*c*d*c*d*c,
d^-1*b^-1*a^-1*b^-1*a^-1*b^-1*d^-1*c^-1,
c*b*d*a^-1*d*a^-1*d*b,
d^-1*c^-1*a*b*a*b*a*c^-1,
c*a*d^-1*a*d^-1*a*c*b,
a^-1*c*b*c*b*c*a^-1*d,
b^-1*a^-1*c^-1*d^-1*c^-1*d^-1*c^-1*a^-1,
a^-1*d*b^-1*c^-1*b^-1*c^-1*b^-1*d,
b^-1*d*c*d*c*d*b^-1*a^-1,
b*d^-1*c^-1*d^-1*c^-1*d^-1*b*a,
a*d^-1*b*c*b*c*b*d^-1,
b*a*c*d*c*d*c*a,
a*c^-1*b^-1*c^-1*b^-1*c^-1*a*d^-1,
c^-1*a^-1*d*a^-1*d*a^-1*c^-1*b^-1,
d*c*a^-1*b^-1*a^-1*b^-1*a^-1*c,
c^-1*b^-1*d^-1*a*d^-1*a*d^-1*b^-1,
d*b*a*b*a*b*d*c,
d^-1*a*a*c^-1*d^-1*a*a*c^-1,
c*a*a*b*c*a*a*b,
d^-1*b^-1*b^-1*c^-1*d^-1*b^-1*b^-1*c^-1,
c*d*d*b*c*d*d*b,
a^-1*b^-1*b^-1*d*a^-1*b^-1*b^-1*d,
b^-1*d*d*a^-1*b^-1*d*d*a^-1,
a^-1*c*c*d*a^-1*c*c*d,
b^-1*c^-1*c^-1*a^-1*b^-1*c^-1*c^-1*a^-1,
b*c*c*a*b*c*c*a,
a*c^-1*c^-1*d^-1*a*c^-1*c^-1*d^-1,
b*d^-1*d^-1*a*b*d^-1*d^-1*a,
a*b*b*d^-1*a*b*b*d^-1,
c^-1*d^-1*d^-1*b^-1*c^-1*d^-1*d^-1*b^-1,
d*b*b*c*d*b*b*c,
c^-1*a^-1*a^-1*b^-1*c^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*c*d*a^-1*a^-1*c,
d^-1*a*d^-1*a*c^-1*d^-1*a*d^-1*a*c^-1,
c*a*b*a*b*c*a*b*a*b,
d^-1*b^-1*c^-1*b^-1*c^-1*d^-1*b^-1*c^-1*b^-1*c^-1,
c*d*c*d*b*c*d*c*d*b,
a^-1*b^-1*a^-1*b^-1*d*a^-1*b^-1*a^-1*b^-1*d,
b^-1*d*a^-1*d*a^-1*b^-1*d*a^-1*d*a^-1,
a^-1*c*d*c*d*a^-1*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*a^-1*b^-1*c^-1*b^-1*c^-1*a^-1,
b*c*b*c*a*b*c*b*c*a,
a*c^-1*d^-1*c^-1*d^-1*a*c^-1*d^-1*c^-1*d^-1,
b*d^-1*a*d^-1*a*b*d^-1*a*d^-1*a,
a*b*a*b*d^-1*a*b*a*b*d^-1,
c^-1*d^-1*c^-1*d^-1*b^-1*c^-1*d^-1*c^-1*d^-1*b^-1,
d*b*c*b*c*d*b*c*b*c,
c^-1*a^-1*b^-1*a^-1*b^-1*c^-1*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*c*d*a^-1*d*a^-1*c,
d^-1*a^-1*c^-1*d^-1*a^-1*c^-1,
c*a^-1*b*c*a^-1*b,
d^-1*b*c^-1*d^-1*b*c^-1,
c*d^-1*b*c*d^-1*b,
a^-1*b*d*a^-1*b*d,
b^-1*d^-1*a^-1*b^-1*d^-1*a^-1,
a^-1*c^-1*d*a^-1*c^-1*d,
b^-1*c*a^-1*b^-1*c*a^-1,
b*c^-1*a*b*c^-1*a,
a*c*d^-1*a*c*d^-1,
b*d*a*b*d*a,
a*b^-1*d^-1*a*b^-1*d^-1,
c^-1*d*b^-1*c^-1*d*b^-1,
d*b^-1*c*d*b^-1*c,
c^-1*a*b^-1*c^-1*a*b^-1,
d*a*c*d*a*c,
d^-1*c^-1*a*d^-1*c^-1*d^-1*c^-1*a*d^-1*c^-1,
c*b*a*c*b*c*b*a*c*b,
d^-1*c^-1*b^-1*d^-1*c^-1*d^-1*c^-1*b^-1*d^-1*c^-1,
c*b*d*c*b*c*b*d*c*b,
a^-1*d*b^-1*a^-1*d*a^-1*d*b^-1*a^-1*d,
b^-1*a^-1*d*b^-1*a^-1*b^-1*a^-1*d*b^-1*a^-1,
a^-1*d*c*a^-1*d*a^-1*d*c*a^-1*d,
b^-1*a^-1*c^-1*b^-1*a^-1*b^-1*a^-1*c^-1*b^-1*a^-1,
b*a*c*b*a*b*a*c*b*a,
a*d^-1*c^-1*a*d^-1*a*d^-1*c^-1*a*d^-1,
b*a*d^-1*b*a*b*a*d^-1*b*a,
a*d^-1*b*a*d^-1*a*d^-1*b*a*d^-1,
c^-1*b^-1*d^-1*c^-1*b^-1*c^-1*b^-1*d^-1*c^-1*b^-1,
d*c*b*d*c*d*c*b*d*c,
c^-1*b^-1*a^-1*c^-1*b^-1*c^-1*b^-1*a^-1*c^-1*b^-1,
d*c*a^-1*d*c*d*c*a^-1*d*c,
d^-1*c^-1*b*d^-1*c^-1*b,
d^-1*c*b*d^-1*c*b,
a^-1*d^-1*c^-1*a^-1*d^-1*c^-1,
c*b*a^-1*c*b*a^-1,
a^-1*d*c^-1*a^-1*d*c^-1,
c*b^-1*a^-1*c*b^-1*a^-1,
b*a^-1*d*b*a^-1*d,
b^-1*a^-1*d^-1*b^-1*a^-1*d^-1,
b*a*d*b*a*d,
b^-1*a*d^-1*b^-1*a*d^-1,
c^-1*b*a*c^-1*b*a,
a*d^-1*c*a*d^-1*c,
c^-1*b^-1*a*c^-1*b^-1*a,
a*d*c*a*d*c,
d*c^-1*b^-1*d*c^-1*b^-1,
d*c*b^-1*d*c*b^-1,
a^-1*d*c*a^-1*a^-1*d*c*a^-1,
a^-1*c^-1*b^-1*a^-1*a^-1*c^-1*b^-1*a^-1,
b*d*c*b*b*d*c*b,
d^-1*c^-1*b^-1*d^-1*d^-1*c^-1*b^-1*d^-1,
b*a*d^-1*b*b*a*d^-1*b,
d^-1*b*a*d^-1*d^-1*b*a*d^-1,
c^-1*a*d^-1*c^-1*c^-1*a*d^-1*c^-1,
c*b*a*c*c*b*a*c,
c^-1*b^-1*a^-1*c^-1*c^-1*b^-1*a^-1*c^-1,
c*a^-1*d*c*c*a^-1*d*c,
d*b^-1*a^-1*d*d*b^-1*a^-1*d,
b^-1*a^-1*d*b^-1*b^-1*a^-1*d*b^-1,
d*c*b*d*d*c*b*d,
b^-1*d^-1*c^-1*b^-1*b^-1*d^-1*c^-1*b^-1,
a*c*b*a*a*c*b*a,
a*d^-1*c^-1*a*a*d^-1*c^-1*a,
d^-1*a*c*a*d^-1*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b*a*c^-1*a*b,
d^-1*a*d^-1*c^-1*b^-1*c^-1*b^-1*d*b^-1*c^-1,
c*d*b^-1*d*c*a*b*c*d*b,
a^-1*b^-1*d^-1*b^-1*a^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a^-1*d*b*d*a^-1,
a^-1*b^-1*a^-1*d*c*d*c*a*c*d,
b^-1*c^-1*a*c^-1*b^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*a^-1*c*b*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d^-1*c^-1*a^-1*c^-1*d^-1,
b*c*b*a*d^-1*a*d^-1*b^-1*d^-1*a,
a*b*d*b*a*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*b*d^-1*c^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c*b*d^-1*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b^-1*a^-1*c*a^-1*b^-1,
d*a^-1*c^-1*a^-1*d*a^-1*d*c*b*c,
d^-1*a*d^-1*a*c*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*c^-1*a*b*a*b,
d^-1*a*d^-1*c^-1*b^-1*d*b^-1*c^-1*b^-1*c^-1,
c*d*c*d*b^-1*a*b*c*d*b,
a^-1*b^-1*a^-1*b^-1*d^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*b*d*a^-1*d*a^-1,
a^-1*b^-1*a^-1*d*c*a*c*d*c*d,
b^-1*c^-1*b^-1*c^-1*a*c^-1*b^-1*a^-1*d*a^-1,
b*c*b*c*a^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*a^-1*c^-1*d^-1*c^-1*d^-1,
b*c*b*a*d^-1*b^-1*d^-1*a*d^-1*a,
a*b*a*b*d*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c^-1*d^-1*b*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*d^-1*b*c*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*c*a^-1*b^-1*a^-1*b^-1,
d*a^-1*d*a^-1*c^-1*a^-1*d*c*b*c,
d^-1*a*d^-1*c^-1*d^-1*c^-1*b*c^-1,
c*d^-1*c*b*c*b*a*b,
d^-1*a^-1*d^-1*c^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*c*b*a^-1*b,
a^-1*b^-1*a^-1*d*a^-1*d*c^-1*d,
b^-1*c*b^-1*a^-1*b^-1*a^-1*d*a^-1,
a^-1*b*a^-1*d*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*b^-1*a^-1*d^-1*a^-1,
b*c*b*a*b*a*d*a,
a*b^-1*a*d^-1*a*d^-1*c^-1*d^-1,
b*c^-1*b*a*b*a*d^-1*a,
a*b*a*d^-1*a*d^-1*c*d^-1,
c^-1*d^-1*c^-1*b^-1*c^-1*b^-1*a*b^-1,
d*a*d*c*d*c*b*c,
c^-1*d*c^-1*b^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*d*c*b^-1*c,
d^-1*a*d^-1*c^-1*b*c^-1*d^-1*c^-1,
c*b*c*d^-1*c*b*a*b,
d^-1*c^-1*d^-1*a^-1*d^-1*c^-1*b^-1*c^-1,
c*d*c*b*a^-1*b*c*b,
a^-1*b^-1*a^-1*d*c^-1*d*a^-1*d,
b^-1*a^-1*b^-1*c*b^-1*a^-1*d*a^-1,
a^-1*d*a^-1*b*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d^-1*a^-1*b^-1*a^-1,
b*c*b*a*d*a*b*a,
a*d^-1*a*b^-1*a*d^-1*c^-1*d^-1,
b*a*b*c^-1*b*a*d^-1*a,
a*b*a*d^-1*c*d^-1*a*d^-1,
c^-1*d^-1*c^-1*b^-1*a*b^-1*c^-1*b^-1,
d*c*d*a*d*c*b*c,
c^-1*b^-1*c^-1*d*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b^-1*c*d*c,
d^-1*a*a*d^-1*c^-1*a^-1*c^-1*b^-1*c^-1,
c*d*c*a^-1*c*b*a*a*b,
d^-1*a*d^-1*b*d^-1*c^-1*b^-1*b^-1*c^-1,
c*d*d*c*b*d^-1*b*a*b,
a^-1*b^-1*b^-1*a^-1*d*b*d*c*d,
b^-1*c^-1*b^-1*d^-1*b^-1*a^-1*d*d*a^-1,
a^-1*b^-1*a^-1*c^-1*a^-1*d*c*c*d,
b^-1*c^-1*c^-1*b^-1*a^-1*c*a^-1*d*a^-1,
b*c*c*b*a*c^-1*a*d^-1*a,
a*b*a*c*a*d^-1*c^-1*c^-1*d^-1,
b*c*b*d*b*a*d^-1*d^-1*a,
a*b*b*a*d^-1*b^-1*d^-1*c^-1*d^-1,
c^-1*d^-1*d^-1*c^-1*b^-1*d*b^-1*a^-1*b^-1,
d*a^-1*d*b^-1*d*c*b*b*c,
c^-1*d^-1*c^-1*a*c^-1*b^-1*a^-1*a^-1*b^-1,
d*a^-1*a^-1*d*c*a*c*b*c,
d^-1*a*c*a*b*a*d^-1*c^-1*c^-1,
c*c*b*a*d^-1*a*c^-1*a*b,
d^-1*d^-1*c^-1*b^-1*a^-1*b^-1*d*b^-1*c^-1,
c*d*b^-1*d*a^-1*d*c*b*b,
a^-1*b^-1*d^-1*b^-1*c^-1*b^-1*a^-1*d*d,
b^-1*b^-1*a^-1*d*c*d*b*d*a^-1,
a^-1*a^-1*d*c*b*c*a*c*d,
b^-1*c^-1*a*c^-1*d^-1*c^-1*b^-1*a^-1*a^-1,
b*c*a^-1*c*a*b*c*d*a,
a*a*d^-1*c^-1*b^-1*c^-1*a^-1*c^-1*d^-1,
b*b*a*d^-1*c^-1*d^-1*b^-1*d^-1*a,
a*b*d*b*c*b*a*d^-1*d^-1,
c^-1*d^-1*b*d^-1*a*d^-1*c^-1*b^-1*b^-1,
d*a*b*c*d*b*d^-1*b*c,
c^-1*c^-1*b^-1*a^-1*d*a^-1*c*a^-1*b^-1,
d*a^-1*c^-1*a^-1*b^-1*a^-1*d*c*c,
d^-1*a*d^-1*b*d*b*c^-1,
c*d^-1*b^-1*d^-1*b*a*b,
d^-1*a^-1*c*a^-1*c^-1*b^-1*c^-1,
c*d*c*a^-1*c^-1*a^-1*b,
a^-1*b^-1*a^-1*c^-1*a*c^-1*d,
b^-1*c*a*c*a^-1*d*a^-1,
a^-1*b*d^-1*b*d*c*d,
b^-1*c^-1*b^-1*d^-1*b*d^-1*a^-1,
b*c*b*d*b^-1*d*a,
a*b^-1*d*b^-1*d^-1*c^-1*d^-1,
b*c^-1*a^-1*c^-1*a*d^-1*a,
a*b*a*c*a^-1*c*d^-1,
c^-1*d^-1*c^-1*a*c*a*b^-1,
d*a*c^-1*a*c*b*c,
c^-1*d*b*d*b^-1*a^-1*b^-1,
d*a^-1*d*b^-1*d^-1*b^-1*c,
d^-1*b^-1*d*b^-1*a*d^-1*c^-1,
c*b*a*d*b^-1*d*b,
d^-1*c^-1*b^-1*a*c*a*c^-1,
c*a*c^-1*a*d*c*b,
a^-1*c*a*c*b^-1*a^-1*d,
b^-1*a^-1*d*c^-1*a*c^-1*a^-1,
a^-1*d*c*b^-1*d^-1*b^-1*d,
b^-1*d*b*d*c^-1*b^-1*a^-1,
b*d^-1*b^-1*d^-1*c*b*a,
a*d^-1*c^-1*b*d*b*d^-1,
b*a*d^-1*c*a^-1*c*a,
a*c^-1*a^-1*c^-1*b*a*d^-1,
c^-1*a^-1*c*a^-1*d^-1*c^-1*b^-1,
d*c*b*a^-1*c^-1*a^-1*c,
c^-1*b^-1*a^-1*d^-1*b*d^-1*b^-1,
d*b*d^-1*b*a^-1*d*c,
d^-1*a*d*a^-1*d^-1*a*c^-1*b^-1*c^-1,
c*d*c^-1*d^-1*c*d*b*a*b,
a^-1*b^-1*a*b*a^-1*b^-1*d*c*d,
b^-1*c^-1*b*c*b^-1*c^-1*a^-1*d*a^-1,
b*c*b^-1*c^-1*b*c*a*d^-1*a,
a*b*a^-1*b^-1*a*b*d^-1*c^-1*d^-1,
c^-1*d^-1*c*d*c^-1*d^-1*b^-1*a^-1*b^-1,
d*a^-1*d^-1*a*d*a^-1*c*b*c,
d^-1*a*d*a*a*d^-1*c^-1*b^-1*c^-1,
c*d*c^-1*d*a*b*c*d*b,
a^-1*b^-1*a*b^-1*b^-1*a^-1*d*c*d,
b^-1*c^-1*b*c^-1*c^-1*b^-1*a^-1*d*a^-1,
b*c*b^-1*c*c*b*a*d^-1*a,
a*b*a^-1*b*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*c*d^-1*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d^-1*a^-1*a^-1*d*c*b*c,
d^-1*a*a*d*a*d^-1*c^-1*b^-1*c^-1,
c*a*b*c*d*b^-1*a*a*b,
d^-1*a*d^-1*c^-1*b^-1*c*b^-1*b^-1*c^-1,
c*d*d*c^-1*a*b*c*d*b,
a^-1*b^-1*b^-1*a*b^-1*a^-1*d*c*d,
b^-1*c^-1*b^-1*a^-1*d*a*d*d*a^-1,
a^-1*b^-1*a^-1*d*c*d^-1*c*c*d,
b^-1*c^-1*c^-1*b*c^-1*b^-1*a^-1*d*a^-1,
b*c*c*b^-1*c*b*a*d^-1*a,
a*b*a*d^-1*c^-1*d*c^-1*c^-1*d^-1,
b*c*b*a*d^-1*a^-1*d^-1*d^-1*a,
a*b*b*a^-1*b*a*d^-1*c^-1*d^-1,
c^-1*d^-1*d^-1*c*d^-1*c^-1*b^-1*a^-1*b^-1,
d*a^-1*d*c*b*c^-1*b*b*c,
c^-1*d^-1*c^-1*b^-1*a^-1*b*a^-1*a^-1*b^-1,
d*a^-1*a^-1*d^-1*a^-1*d*c*b*c,
d^-1*a*b*a*c^-1*d^-1*c*d*c^-1,
c*d*a^-1*d*b*c*b^-1*c^-1*b,
a^-1*b^-1*c^-1*b^-1*d*a^-1*d^-1*a*d,
b^-1*c^-1*d^-1*c^-1*a^-1*b^-1*a*b*a^-1,
b*c*d*c*a*b*a^-1*b^-1*a,
a*b*c*b*d^-1*a*d*a^-1*d^-1,
c^-1*d^-1*a*d^-1*b^-1*c^-1*b*c*b^-1,
d*a^-1*b^-1*a^-1*c*d*c^-1*d^-1*c,
d^-1*a*b*a*d^-1*c^-1*c^-1*d*c^-1,
c*d*a^-1*d*c*b*b*c^-1*b,
a^-1*b^-1*c^-1*b^-1*a^-1*d*d*a*d,
b^-1*c^-1*d^-1*c^-1*b^-1*a^-1*a^-1*b*a^-1,
b*c*a*b*c*d*a*b^-1*a,
a*b*c*b*a*d^-1*d^-1*a^-1*d^-1,
c^-1*d^-1*a*d^-1*c^-1*b^-1*b^-1*c*b^-1,
d*a^-1*b^-1*a^-1*d*c*c*d^-1*c,
d^-1*b^-1*a^-1*b^-1*d^-1*d^-1*c^-1,
c*b*b*d*a^-1*d*b,
d^-1*c^-1*c^-1*a*b*a*c^-1,
c*a*d^-1*a*c*c*b,
a^-1*c*b*c*a^-1*a^-1*d,
b^-1*a^-1*a^-1*c^-1*d^-1*c^-1*a^-1,
a^-1*d*d*b^-1*c^-1*b^-1*d,
b^-1*d*c*d*b^-1*b^-1*a^-1,
b*d^-1*c^-1*d^-1*b*b*a,
a*d^-1*d^-1*b*c*b*d^-1,
b*a*a*c*d*c*a,
a*c^-1*b^-1*c^-1*a*a*d^-1,
c^-1*a^-1*d*a^-1*c^-1*c^-1*b^-1,
d*c*c*a^-1*b^-1*a^-1*c,
c^-1*b^-1*b^-1*d^-1*a*d^-1*b^-1,
d*b*a*b*d*d*c,
d^-1*d^-1*b^-1*a^-1*b^-1*d^-1*c^-1,
c*b*d*a^-1*d*b*b,
d^-1*c^-1*a*b*a*c^-1*c^-1,
c*c*a*d^-1*a*c*b,
a^-1*a^-1*c*b*c*a^-1*d,
b^-1*a^-1*c^-1*d^-1*c^-1*a^-1*a^-1,
a^-1*d*b^-1*c^-1*b^-1*d*d,
b^-1*b^-1*d*c*d*b^-1*a^-1,
b*b*d^-1*c^-1*d^-1*b*a,
a*d^-1*b*c*b*d^-1*d^-1,
b*a*c*d*c*a*a,
a*a*c^-1*b^-1*c^-1*a*d^-1,
c^-1*c^-1*a^-1*d*a^-1*c^-1*b^-1,
d*c*a^-1*b^-1*a^-1*c*c,
c^-1*b^-1*d^-1*a*d^-1*b^-1*b^-1,
d*d*b*a*b*d*c,
d^-1*b*a*b^-1*a^-1*b*a*d^-1*c^-1,
c*b*a*d^-1*a^-1*d*a*d^-1*b,
d^-1*c^-1*b^-1*a^-1*b*a*b^-1*a^-1*c^-1,
c*a^-1*d*a*d^-1*a^-1*d*c*b,
a^-1*c^-1*b^-1*c*b*c^-1*b^-1*a^-1*d,
b^-1*a^-1*d*c*d^-1*c^-1*d*c*a^-1,
a^-1*d*c*b*c^-1*b^-1*c*b*d,
b^-1*d^-1*c^-1*d*c*d^-1*c^-1*b^-1*a^-1,
b*d*c*d^-1*c^-1*a*b*c*d,
a*d^-1*c^-1*b^-1*c*b*c^-1*b^-1*d^-1,
b*a*d^-1*c^-1*d*c*d^-1*c^-1*a,
a*c*b*c^-1*b^-1*c*b*a*d^-1,
c^-1*a*d^-1*a^-1*d*a*d^-1*c^-1*b^-1,
a*b*c*d*b^-1*a^-1*b*a*c,
c^-1*b^-1*a^-1*d*a*d^-1*a^-1*d*b^-1,
d*b^-1*a^-1*b*a*b^-1*a^-1*d*c,
d^-1*a*a*c*a^-1*c^-1*b^-1*c^-1,
c*d*d*b^-1*d^-1*b*a*b,
a^-1*b^-1*b^-1*d^-1*b*d*c*d,
b^-1*c^-1*c^-1*a*c*a^-1*d*a^-1,
b*c*c*a^-1*c^-1*a*d^-1*a,
a*b*b*d*b^-1*d^-1*c^-1*d^-1,
c^-1*d^-1*d^-1*b*d*b^-1*a^-1*b^-1,
d*a^-1*a^-1*c^-1*a*c*b*c,
d^-1*a*b*a*c*a^-1*c^-1*c^-1,
c*d*a^-1*d*b^-1*d^-1*b*b,
a^-1*b^-1*c^-1*b^-1*d^-1*b*d*d,
b^-1*c^-1*d^-1*c^-1*a*c*a^-1*a^-1,
b*c*d*c*a^-1*c^-1*a*a,
a*b*c*b*d*b^-1*d^-1*d^-1,
c^-1*d^-1*a*d^-1*b*d*b^-1*b^-1,
d*a^-1*b^-1*a^-1*c^-1*a*c*c,
d^-1*b^-1*d*b*b*a*d^-1*c^-1,
c*b*a*d^-1*d^-1*b^-1*d*b,
d^-1*c^-1*b^-1*a^-1*a^-1*c*a*c^-1,
c*a*c^-1*a^-1*a^-1*d*c*b,
a^-1*c*a*c^-1*c^-1*b^-1*a^-1*d,
b^-1*a^-1*d*c*c*a*c^-1*a^-1,
a^-1*d*c*b*b*d^-1*b^-1*d,
b^-1*d*b*d^-1*d^-1*c^-1*b^-1*a^-1,
b*d^-1*b^-1*d*a*b*c*d,
a*d^-1*c^-1*b^-1*b^-1*d*b*d^-1,
b*a*d^-1*c^-1*c^-1*a^-1*c*a,
a*c^-1*a^-1*c*c*b*a*d^-1,
c^-1*a^-1*c*a*a*d^-1*c^-1*b^-1,
a*b*c*d*a*c^-1*a^-1*c,
c^-1*b^-1*a^-1*d*d*b*d^-1*b^-1,
d*b*d^-1*b^-1*b^-1*a^-1*d*c
];
return words;