1t1t
2t1tn
3t1tng
4t1t
5t1tn
qk2tn
rk2tng
sk2t
tk2tn
uk2tng
fb3tng
gb3t
hb3tn
ib3tng
jb3t
413t
513tn
613tng
713t
813tn
ts4tn
us4tng
vs4t
ws4tn
xs4tng