5 letter words:
bluff13,
buffo13,
4 letter words:
boff12,
buff12,
muff12,
bumf11,
luff10,
bufo9,
flub9,
ombu8,
umbo8,
foul7,
3 letter words:
off9,
fob8,
fub8,
fum8,
bum7,
mob7,
flu6,
fou6,
ufo6,
lob5,
lum5,
mol5,
mou5,
olm5,
lou3,
2 letter words:
of5,
bo4,
mo4,
mu4,
ob4,
om4,
um4,
lo2,
ou2,