5 letter words:
kebob13,
4 letter words:
byke13,
kybo13,
yoke11,
boke10,
obey9,
yebo9,
3 letter words:
key10,
kye10,
yok10,
bok9,
keb9,
kob9,
bey8,
boy8,
bye8,
yob8,
bob7,
ebb7,
oke7,
oye6,
obe5,
2 letter words:
ky9,
by7,
ko6,
oy5,
ye5,
yo5,
be4,
bo4,
ob4,
oe2,