8 letter words:
furfurol14,
6 letter words:
furfur12,
5 letter words:
flour8,
fluor8,
flurr8,
furol8,
furor8,
4 letter words:
luff10,
ruff10,
flor7,
foul7,
four7,
furl7,
furr7,
rolf7,
lour4,
roul4,
ruru4,
3 letter words:
off9,
flu6,
for6,
fou6,
fro6,
fur6,
orf6,
ufo6,
lor3,
lou3,
lur3,
our3,
ulu3,
2 letter words:
of5,
lo2,
or2,
ou2,
ur2,