ybrt
zbrtw
0brtwt
1brt
2brtw
n2rtw
o2rtwt
p2rt
q2rtw
r2rtwt
ctstwt
dtst
etstw
ftstwt
gtst
1jtt
2jttw
3jttwt
4jtt
5jttw
qautw
rautwt
saut
tautw
uautwt