5 letter words:
bilby12,
lobby12,
bilbo9,
4 letter words:
buoy9,
blob8,
blub8,
bubo8,
bulb8,
oily7,
boil6,
lobi6,
3 letter words:
boy8,
buy8,
yob8,
bib7,
bob7,
bub7,
loy6,
you6,
bio5,
boi5,
lib5,
lob5,
obi5,
lou3,
oil3,
2 letter words:
by7,
oy5,
yo5,
yu5,
bi4,
bo4,
ob4,
io2,
li2,
lo2,
oi2,
ou2,