7 letter words:
fluorin10,
6 letter words:
inflow12,
onflow12,
florin9,
unfool9,
unroof9,
5 letter words:
flown11,
frown11,
woful11,
floor8,
flour8,
fluor8,
folio8,
furol8,
orlon5,
4 letter words:
flow10,
fowl10,
frow10,
wolf10,
woof10,
filo7,
fino7,
firn7,
flir7,
flor7,
foil7,
foin7,
fool7,
foul7,
four7,
furl7,
info7,
loof7,
lown7,
nowl7,
rolf7,
roof7,
wino7,
wool7,
woon7,
worn7,
inro4,
iron4,
lino4,
lion4,
loin4,
loir4,
loon4,
loor4,
lorn4,
loun4,
lour4,
nirl4,
noil4,
noir4,
nolo4,
nori4,
noul4,
nurl4,
olio4,
ourn4,
roil4,
roin4,
roon4,
roul4,
ruin4,
3 letter words:
wof9,
fil6,
fin6,
fir6,
flu6,
fon6,
for6,
fou6,
fro6,
fun6,
fur6,
low6,
now6,
oof6,
orf6,
owl6,
own6,
rif6,
row6,
ufo6,
win6,
won6,
woo6,
ion3,
lin3,
loo3,
lor3,
lou3,
lur3,
nil3,
noo3,
nor3,
nur3,
oil3,
ono3,
oon3,
oor3,
our3,
rin3,
roo3,
run3,
uni3,
urn3,
2 letter words:
if5,
of5,
ow5,
wo5,
in2,
io2,
li2,
lo2,
no2,
nu2,
oi2,
on2,
oo2,
or2,
ou2,
un2,
ur2,