% 2
D*B+B*D,
   E*A+A*E,
   E*B+B*E,
   E*C+C*E,
   F*A+A*F,
   F*B+B*F,
   F*C+2*D*A+C*F+2*A*D,
   F*D+D*F+2*D*A+C*A+2*A*D+A*C,
   
% 3
D*A*B+2*C*A*B+2*B*D*A+B*C*A+2*B*A*D+B*A*C+2*A*C*B+2*A*B*D,
   
% 4
C*A^2*B+B*C*A^2+2*B*A^2*C+2*A^2*C*B,
   
% 5
D*A^3*B+2*B*D*A^3+2*B*A*D*A^2+B*A^2*D*A+B*A^3*D+A*D*A^2*B+2*A^2*C*A*B+2*A^2*B*D*
A+A^2*B*C*A+2*A^2*B*A*D+A^2*B*A*C+2*A^3*C*B,
   
% 6
D*A^4*B+2*C*A^4*B+B*D*A^4+2*B*C*A^4+B*A^2*D*A^2+2*B*A^2*C*A^2+B*A^4*D+2*B*A^4*C+
A^2*D*A^2*B+A^2*B*C*A^2+2*A^2*B*A^2*C+A^4*C*B+2*A^4*B*D,
   
% 7
C*A^5*B+2*B*C*A^5+2*B*A*C*A^4+2*B*A^2*C*A^3+2*B*A^3*C*A^2+2*B*A^4*C*A+2*B*A^5*C+
A*C*A^4*B+A^2*C*A^3*B+2*A^3*B*C*A^2+A^3*B*A^2*C+A^4*C*A*B+2*A^5*C*B,
   
% 8
D*A^6*B+B*D*A^6+2*B*A^6*D+A^6*B*D,
   
Done
