A A,A B,A C,A D,A E,A F
B B,B A,B C,B D,B E,B F
C C,A C,B C,C D,C E,C F
D D,D A,D B,D C,D E,D F
E E,E A,E B,E C,E D,E F
F F,F A,F B,F C,F D,F E,
36 POSSIBLE COMBINATIONS
There are 15 choses to choose from.
5.9m questions
7.7m answers