7 letter words:
roomful12,
6 letter words:
formol11,
ormolu8,
5 letter words:
forum10,
floor8,
flour8,
fluor8,
4 letter words:
form9,
from9,
fool7,
foul7,
four7,
furl7,
loof7,
rolf7,
roof7,
loom6,
mool6,
moor6,
room6,
lour4,
3 letter words:
flu6,
for6,
fou6,
fro6,
fur6,
lum5,
mol5,
moo5,
mor5,
rom5,
rum5,
loo3,
our3,
2 letter words:
of5,
mo4,
mu4,
om4,
um4,
lo2,
or2,