au3t
bu3td
cu3td4
du3t
eu3td
zk4td
0k4td4
1k4t
2k4td
3k4td4
ob5td4
pb5t
qb5td
rb5td4
sb5t
d25t
e25td
f25td4
g25t
h25td
2s6td
3s6td4
4s6t
5s6td
6s6td4