6 letter words:
sobful11,
5 letter words:
bufos10,
flubs10,
fouls8,
sulfo8,
bolus7,
lobus7,
4 letter words:
bufo9,
flub9,
fobs9,
fubs9,
flus7,
foul7,
fous7,
ufos7,
lobs6,
slob6,
slub6,
lous4,
soul4,
3 letter words:
fob8,
fub8,
flu6,
fou6,
ufo6,
bos5,
bus5,
lob5,
obs5,
sob5,
sub5,
los3,
lou3,
ous3,
sol3,
sou3,
2 letter words:
of5,
bo4,
ob4,
lo2,
os2,
ou2,
so2,
us2,