vsnn
usnnzs
tsnnz
ssnn
rsnnzs
61mnzs
51mnz
41mn
31mnzs
21mnz
hbmnz
gbmn
fbmnzs
ebmnz
dbmn
skln
rklnzs
qklnz
pkln
oklnzs
3tknzs
2tknz
1tkn
0tknzs
ztknz