6 letter words:
unroof9,
5 letter words:
flunk12,
kloof12,
knurl9,
korun9,
kroon9,
floor8,
flour8,
fluor8,
orlon5,
4 letter words:
folk11,
fork11,
funk11,
knur8,
kolo8,
look8,
lunk8,
lurk8,
nook8,
rook8,
fool7,
foul7,
four7,
furl7,
loof7,
rolf7,
roof7,
loon4,
lorn4,
lour4,
nolo4,
nurl4,
3 letter words:
kor7,
flu6,
fon6,
for6,
fou6,
fro6,
fun6,
fur6,
loo3,
noo3,
nor3,
ono3,
our3,
run3,
urn3,
2 letter words:
of5,
lo2,
no2,
nu2,
on2,
or2,
un2,