5 letter words:
bilbo9,
fillo8,
4 letter words:
blob8,
fill7,
filo7,
foil7,
bill6,
boil6,
boll6,
lobi6,
lilo4,
3 letter words:
fib8,
fob8,
bib7,
bob7,
fil6,
bio5,
boi5,
lib5,
lob5,
obi5,
ill3,
oil3,
2 letter words:
if5,
of5,
bi4,
bo4,
ob4,
io2,
li2,
lo2,
oi2,