xvnnon
yvnn
zvnno
0vnnon
1vnn
mmon
nmono
omonon
pmon
qmono
bdpno
cdpnon
ddpn
edpno
fdpnon
03pnon
13pn
23pno
33pnon
43pn
puqn
quqno
ruqnon
suqn
tuqno