xbtpm0 ybtp zbtpm 0btpm0 1btp
m2tp n2tpm o2tpm0 p2tp q2tpm
btupm ctupm0 dtup etupm ftupm0
0jvpm0 1jvp 2jvpm 3jvpm0 4jvp
pawp qawpm rawpm0 sawp tawpm