bpwpq
cpwpqq
dpwp
epwpq
fpwpqq
0fxpqq
1fxp
2fxpq
3fxpqq
4fxp
p6xp
q6xpq
r6xpqq
s6xp
t6xpq
exypq
fxypqq
gxyp
hxypq
ixypqq
3nzpqq
4nzp
5nzpq
6nzpqq
7nzp