A A E E I I M M Q Q = 5
B B F F J J N N R R = 3
C C G G K K O O S S = 0
D D H H L L P P T T = 1
A H N U * * * * * * = 3
B I P V * * * * * * = 1
D J Q W * * * * * * = 1
E L R X * * * * * * = 2
U U V V W W X X Y Y = 2
F M T Y * * * * * * = 1
A A F F L L X X Q Q = 3
B B H H W W M M R R = 1
H W M R D L P T U U = 4
M T Y J Q W P V A A = 4