AB [auth C] AC [auth D] BA [auth A] BB [auth C] BC [auth D]
AB [auth C], AC [auth D], BA [auth A], BB [auth C], BC [auth D], CA [auth A], CB [auth C], DB [auth C], DC [auth D], FA [auth B], FB [auth C], G [auth A], GA [auth B], GB [auth C], H [auth A], HA [auth B], HB [auth C], I [auth A], IA [auth B], IB [auth C], J [auth A], JB [auth C], K [auth A], KA [auth B], KB [auth C], L [auth A], LA [auth B], M [auth A], MA [auth B], N [auth A], NA [auth B], NB [auth D], OB [auth D], P [auth A], PA [auth B], Q [auth A], QA [auth B], R [auth A], RA [auth B], RB [auth D], S [auth A], SA [auth B], SB [auth D], T [auth A], TB [auth D], U [auth A], UA [auth C], UB [auth D], V [auth A], VA [auth C], W [auth A], WB [auth D], X [auth A], XB [auth D], YA [auth C], YB [auth D], Z [auth A], ZA [auth C], ZB [auth D]