y2cn
z2cn7
02cn7x
12cn
22cn7
ntdn7
otdn7x
ptdn
qtdn7
rtdn7x
cken7x
dken
eken7
fken7x
gken
1afn
2afn7
3afn7x
4afn
5afn7
q1fn7
r1fn7x
s1fn
t1fn7
u1fn7x