y2nd
z2ndm
02ndmt
12nd
22ndm
ntodm
otodmt
ptod
qtodm
rtodmt
ckpdmt
dkpd
ekpdm
fkpdmt
gkpd
1aqd
2aqdm
3aqdmt
4aqd
5aqdm
q1qdm
r1qdmt
s1qd
t1qdm
u1qdmt