6 letter words:
billow11,
bulbil10,
5 letter words:
bilbo9,
4 letter words:
bilk10,
bulk10,
blow9,
bowl9,
blob8,
blub8,
bubo8,
bulb8,
kill8,
kilo8,
will7,
bill6,
boil6,
boll6,
bull6,
lilo4,
3 letter words:
wok10,
kob9,
bow8,
bib7,
bob7,
bub7,
ilk7,
koi7,
low6,
owl6,
bio5,
lib5,
lob5,
obi5,
ill3,
oil3,
2 letter words:
ki6,
ow5,
wo5,
bi4,
bo4,
li2,
lo2,
oi2,