a30n
b30nq
c30nqc
d30n
e30nq
zt1nq
0t1nqc
1t1n
2t1nq
3t1nqc
ok2nqc
pk2n
qk2nq
rk2nqc
sk2n
db3n
eb3nq
fb3nqc
gb3n
hb3nq
213nq
313nqc
413n
513nq
613nqc