stnb ttnb2 utnb2p vtnb wtnb2
hkob2 ikob2p jkob kkob2 lkob2p
6apb2p 7apb 8apb2 9apb2p abpb
v1pb w1pb2 x1pb2p y1pb z1pb2
ksqb2 lsqb2p msqb nsqb2 osqb2p