A A1/2 B B1/2 C C1/2 D D1/2 E E1/2 F F1/2 G G1/2 H H1/2 I I1/2 J J1/2 K K1/2 L L1/2 M M1/2 N N1/2 O O1/2 P P1/2 Q Q1/2 R R1/2 S S1/2 T T1/2 U U1/2 V V1/2 W W1/2 X X1/2 Y Y1/2 Z Z1/2 Other