5 letter words:
kibbi13,
bilbo9,
4 letter words:
kiwi11,
bilk10,
bouk10,
buik10,
bulk10,
blow9,
bowl9,
blob8,
blub8,
bubo8,
bulb8,
kilo8,
oulk8,
wili7,
boil6,
lobi6,
3 letter words:
kow10,
wok10,
bok9,
kob9,
bow8,
bib7,
bob7,
bub7,
ilk7,
koi7,
oik7,
ouk7,
iwi6,
low6,
owl6,
bio5,
boi5,
lib5,
lob5,
obi5,
lou3,
oil3,
2 letter words:
ki6,
ko6,
ow5,
wo5,
bi4,
bo4,
ob4,
io2,
li2,
lo2,
oi2,
ou2,