ztewu
0tewup
1tew
2tewu
3tewup
okfwup
pkfw
qkfwu
rkfwup
skfw
dbgw
ebgwu
fbgwup
gbgw
hbgwu
21gwu
31gwup
41gw
51gwu
61gwup
rshwup
sshw
tshwu
ushwup
vshw