??????????A ?????B ?????B2 ?????B3
?????C ?????C2 ?????C3 ?????D
?????D2 ?????D3 ?????D4 ?????E??F
?????G ?????G2 ?????G3 ?????H
?????H2 ?????H3 ?????J ?????J2
?????K ?????K2 ?????L ?????L2
?????L3 ?????M ?????M2 ?????N
?????O??P ?????P2 ?????Q ?????R
?????S ?????S2 ????? ?????W
?????X ?????X2 ?????Y ?????Y2
?????Z ?????Z2 ?????Z3 ??????
??????2 ??????3