5 letter words:
fools8,
fouls8,
loofs8,
sulfo8,
4 letter words:
flus7,
fool7,
foul7,
fous7,
loof7,
oofs7,
ufos7,
loos4,
lous4,
solo4,
sool4,
soul4,
3 letter words:
flu6,
fou6,
oof6,
ufo6,
loo3,
los3,
lou3,
oos3,
ous3,
sol3,
sou3,
2 letter words:
of5,
lo2,
oo2,
os2,
ou2,
so2,
us2,