0trtmh
1trt
2trtm
3trtmh
4trt
pkst
qkstm
rkstmh
skst
tkstm
ebttm
fbttmh
gbtt
hbttm
ibttmh
31ttmh
41tt
51ttm
61ttmh
71tt
ssut
tsutm
usutmh
vsut
wsutm