lst:=[[(b*x^4+a)*(d*x^4+c)^4,x,1],
[(b*x^4+a)*(d*x^4+c)^3,x,1],
[(b*x^4+a)*(d*x^4+c)^2,x,1],
[(b*x^4+a)*(d*x^4+c),x,1],
[(b*x^4+a)/(d*x^4+c),x,1],
[(b*x^4+a)/(d*x^4+c)^2,x,1],
[(b*x^4+a)/(d*x^4+c)^3,x,1],
[(b*x^4+a)^2*(d*x^4+c)^4,x,1],
[(b*x^4+a)^2*(d*x^4+c)^3,x,1],
[(b*x^4+a)^2*(d*x^4+c)^2,x,1],
[(b*x^4+a)^2*(d*x^4+c),x,1],
[(b*x^4+a)^2/(d*x^4+c),x,1],
[(b*x^4+a)^2/(d*x^4+c)^2,x,1],
[(b*x^4+a)^2/(d*x^4+c)^3,x,1],
[(d*x^4+c)^4/(b*x^4+a),x,1],
[(d*x^4+c)^3/(b*x^4+a),x,1],
[(d*x^4+c)^2/(b*x^4+a),x,1],
[(d*x^4+c)/(b*x^4+a),x,1],
[1/(b*x^4+a)/(d*x^4+c),x,1],
[1/(b*x^4+a)/(d*x^4+c)^2,x,1],
[(d*x^4+c)^5/(b*x^4+a)^2,x,1],
[(d*x^4+c)^4/(b*x^4+a)^2,x,1],
[(d*x^4+c)^3/(b*x^4+a)^2,x,1],
[(d*x^4+c)^2/(b*x^4+a)^2,x,1],
[(d*x^4+c)/(b*x^4+a)^2,x,1],
[1/(b*x^4+a)^2/(d*x^4+c),x,1],
[1/(b*x^4+a)^2/(d*x^4+c)^2,x,1],
[(b*x^4+a)^(1/2)*(d*x^4+c)^2,x,1],
[(b*x^4+a)^(1/2)*(d*x^4+c),x,1],
[(b*x^4+a)^(1/2)/(d*x^4+c),x,1],
[(b*x^4+a)^(1/2)/(d*x^4+c)^2,x,1],
[(d*x^4+c)^2/(b*x^4+a)^(1/2),x,1],
[(d*x^4+c)/(b*x^4+a)^(1/2),x,1],
[1/(b*x^4+a)^(1/2)/(d*x^4+c),x,1],
[1/(b*x^4+a)^(1/2)/(d*x^4+c)^2,x,1],
[(d*x^4+c)^3/(b*x^4+a)^(3/2),x,1],
[(d*x^4+c)^2/(b*x^4+a)^(3/2),x,1],
[(d*x^4+c)/(b*x^4+a)^(3/2),x,1],
[1/(b*x^4+a)^(3/2)/(d*x^4+c),x,1],
[1/(b*x^4+a)^(3/2)/(d*x^4+c)^2,x,1],
[(x^4-1)/(x^4+1)^(3/2),x,1],
[(-b*x^4+a)^(5/2)/(-d*x^4+c),x,1],
[(-b*x^4+a)^(3/2)/(-d*x^4+c),x,1],
[(-b*x^4+a)^(1/2)/(-d*x^4+c),x,1],
[1/(-b*x^4+a)^(1/2)/(-d*x^4+c),x,1],
[1/(-b*x^4+a)^(3/2)/(-d*x^4+c),x,1],
[1/(-b*x^4+a)^(5/2)/(-d*x^4+c),x,1],
[(b*x^4+a)^(3/2)/(-d*x^4+c),x,1],
[(b*x^4+a)^(1/2)/(-d*x^4+c),x,1],
[1/(b*x^4+a)^(1/2)/(-d*x^4+c),x,1],
[1/(b*x^4+a)^(3/2)/(-d*x^4+c),x,1],
[1/(b*x^4+a)^(5/2)/(-d*x^4+c),x,1],
[(-b*x^4+a)^(7/2)/(-d*x^4+c)^2,x,1],
[(-b*x^4+a)^(5/2)/(-d*x^4+c)^2,x,1],
[(-b*x^4+a)^(3/2)/(-d*x^4+c)^2,x,1],
[(-b*x^4+a)^(1/2)/(-d*x^4+c)^2,x,1],
[1/(-b*x^4+a)^(1/2)/(-d*x^4+c)^2,x,1],
[1/(-b*x^4+a)^(3/2)/(-d*x^4+c)^2,x,1],
[1/(-b*x^4+a)^(5/2)/(-d*x^4+c)^2,x,1],
[(b*x^4+a)^(1/2)/(-b*c*x^4+a*c),x,1],
[(-b*x^4+a)^(1/2)/(b*c*x^4+a*c),x,1],
[(d*x^4+c)^(1/2)/(-d*x^4+c)^(1/2),x,1],
[(b*x^4+a)^(1/3)*(d*x^4+c)^2,x,1],
[(b*x^4+a)^(1/3)*(d*x^4+c),x,1],
[(b*x^4+a)^(1/3)/(d*x^4+c),x,1],
[(b*x^4+a)^(1/3)/(d*x^4+c)^2,x,1],
[(d*x^4+c)^2/(b*x^4+a)^(1/3),x,1],
[(d*x^4+c)/(b*x^4+a)^(1/3),x,1],
[1/(b*x^4+a)^(1/3)/(d*x^4+c),x,1],
[1/(b*x^4+a)^(1/3)/(d*x^4+c)^2,x,1],
[(d*x^4+c)^2/(b*x^4+a)^(4/3),x,1],
[(d*x^4+c)/(b*x^4+a)^(4/3),x,1],
[1/(b*x^4+a)^(4/3)/(d*x^4+c),x,1],
[1/(b*x^4+a)^(4/3)/(d*x^4+c)^2,x,1],
[(d*x^4+c)^2/(b*x^4+a)^(5/3),x,1],
[(d*x^4+c)/(b*x^4+a)^(5/3),x,1],
[1/(b*x^4+a)^(5/3)/(d*x^4+c),x,1],
[1/(b*x^4+a)^(5/3)/(d*x^4+c)^2,x,1],
[(b*x^4+a)^(3/4)*(d*x^4+c),x,1],
[(d*x^4+c)/(b*x^4+a)^(1/4),x,1],
[(d*x^4+c)/(b*x^4+a)^(5/4),x,1],
[(d*x^4+c)/(b*x^4+a)^(9/4),x,1],
[(d*x^4+c)/(b*x^4+a)^(13/4),x,1],
[(d*x^4+c)/(b*x^4+a)^(17/4),x,1],
[(b*x^4+a)^(5/4)*(d*x^4+c),x,1],
[(b*x^4+a)^(1/4)*(d*x^4+c),x,1],
[(d*x^4+c)/(b*x^4+a)^(3/4),x,1],
[(d*x^4+c)/(b*x^4+a)^(7/4),x,1],
[(d*x^4+c)/(b*x^4+a)^(11/4),x,1],
[(d*x^4+c)/(b*x^4+a)^(15/4),x,1],
[(b*x^4+a)^(3/4)*(d*x^4+c)^2,x,1],
[(d*x^4+c)^2/(b*x^4+a)^(1/4),x,1],
[(d*x^4+c)^2/(b*x^4+a)^(5/4),x,1],
[(d*x^4+c)^2/(b*x^4+a)^(9/4),x,1],
[(d*x^4+c)^2/(b*x^4+a)^(13/4),x,1],
[(d*x^4+c)^2/(b*x^4+a)^(17/4),x,1],
[(b*x^4+a)^(5/4)*(d*x^4+c)^2,x,1],
[(b*x^4+a)^(1/4)*(d*x^4+c)^2,x,1],
[(d*x^4+c)^2/(b*x^4+a)^(3/4),x,1],
[(d*x^4+c)^2/(b*x^4+a)^(7/4),x,1],
[(d*x^4+c)^2/(b*x^4+a)^(11/4),x,1],
[(d*x^4+c)^2/(b*x^4+a)^(15/4),x,1],
[(b*x^4+a)^(7/4)/(d*x^4+c),x,1],
[(b*x^4+a)^(3/4)/(d*x^4+c),x,1],
[1/(b*x^4+a)^(1/4)/(d*x^4+c),x,1],
[1/(b*x^4+a)^(5/4)/(d*x^4+c),x,1],
[1/(b*x^4+a)^(9/4)/(d*x^4+c),x,1],
[1/(b*x^4+a)^(13/4)/(d*x^4+c),x,1],
[(b*x^4+a)^(9/4)/(d*x^4+c),x,1],
[(b*x^4+a)^(5/4)/(d*x^4+c),x,1],
[(b*x^4+a)^(1/4)/(d*x^4+c),x,1],
[1/(b*x^4+a)^(3/4)/(d*x^4+c),x,1],
[1/(b*x^4+a)^(7/4)/(d*x^4+c),x,1],
[1/(b*x^4+a)^(11/4)/(d*x^4+c),x,1],
[(b*x^4+a)^(11/4)/(d*x^4+c)^2,x,1],
[(b*x^4+a)^(7/4)/(d*x^4+c)^2,x,1],
[(b*x^4+a)^(3/4)/(d*x^4+c)^2,x,1],
[1/(b*x^4+a)^(1/4)/(d*x^4+c)^2,x,1],
[1/(b*x^4+a)^(5/4)/(d*x^4+c)^2,x,1],
[1/(b*x^4+a)^(9/4)/(d*x^4+c)^2,x,1],
[(b*x^4+a)^(9/4)/(d*x^4+c)^2,x,1],
[(b*x^4+a)^(5/4)/(d*x^4+c)^2,x,1],
[(b*x^4+a)^(1/4)/(d*x^4+c)^2,x,1],
[1/(b*x^4+a)^(3/4)/(d*x^4+c)^2,x,1],
[1/(b*x^4+a)^(7/4)/(d*x^4+c)^2,x,1],
[1/(x^4+1)^(1/4)/(x^4+2),x,1],
[1/(a-(a-b)*x^4)/(b*x^4+a)^(1/4),x,1],
[(b*x^4+a)^p*(d*x^4+c)^q,x,1],
[(b*x^4+a)^p*(d*x^4+c)^3,x,1],
[(b*x^4+a)^p*(d*x^4+c)^2,x,1],
[(b*x^4+a)^p*(d*x^4+c),x,1],
[(b*x^4+a)^p,x,1],
[(b*x^4+a)^p/(d*x^4+c),x,1],
[(b*x^4+a)^p/(d*x^4+c)^2,x,1]]