mdn2
ndn2n
odn2ng
pdn2
qdn2n
b4n2n
c4n2ng
d4n2
e4n2n
f4n2ng
0uo2ng
1uo2
2uo2n
3uo2ng
4uo2
plp2
qlp2n
rlp2ng
slp2
tlp2n
ecq2n
fcq2ng
gcq2
hcq2n
icq2ng