7 letter words:
lulibub11,
6 letter words:
billyo11,
bulbil10,
bulbul10,
lobuli8,
5 letter words:
bilby12,
lobby12,
billy10,
bully10,
bilbo9,
4 letter words:
buoy9,
blob8,
blub8,
bubo8,
bubu8,
bulb8,
illy7,
lily7,
oily7,
yill7,
bill6,
boil6,
boll6,
bull6,
lobi6,
lilo4,
lulu4,
3 letter words:
boy8,
buy8,
yob8,
bib7,
bob7,
bub7,
loy6,
you6,
bio5,
boi5,
lib5,
lob5,
obi5,
ill3,
lou3,
oil3,
ulu3,
2 letter words:
by7,
oy5,
yo5,
yu5,
bi4,
bo4,
ob4,
io2,
li2,
lo2,
oi2,
ou2,