7 letter words:
forkful17,
5 letter words:
flour8,
fluor8,
furol8,
4 letter words:
koff14,
folk11,
fork11,
luff10,
ruff10,
koru8,
lurk8,
oulk8,
flor7,
foul7,
four7,
furl7,
rolf7,
lour4,
roul4,
3 letter words:
off9,
kor7,
ouk7,
rok7,
flu6,
for6,
fou6,
fro6,
fur6,
orf6,
ufo6,
lor3,
lou3,
lur3,
our3,
2 letter words:
ko6,
of5,
lo2,
or2,
ou2,
ur2,