82nnu
92nnu5
a3nn
b3nnu
c3nnu5
xtonu5
yton
ztonu
0tonu5
1ton
mkpn
nkpnu
okpnu5
pkpn
qkpnu
bbqnu
cbqnu5
dbqn
ebqnu
fbqnu5
01qnu5
11qn
21qnu
31qnu5
41qn