6 letter words:
unfurl9,
urnful9,
5 letter words:
flunk12,
knurl9,
korun9,
flour8,
fluor8,
furol8,
4 letter words:
kuzu17,
zonk17,
zouk17,
zurf16,
zulu13,
folk11,
fork11,
funk11,
knur8,
koru8,
kuru8,
lunk8,
lurk8,
nork8,
oulk8,
flor7,
foul7,
four7,
furl7,
rolf7,
lorn4,
loun4,
lour4,
noul4,
nurl4,
ourn4,
roul4,
3 letter words:
luz12,
zol12,
kon7,
kor7,
ouk7,
rok7,
flu6,
fon6,
for6,
fou6,
fro6,
fun6,
fur6,
orf6,
ufo6,
lor3,
lou3,
lur3,
nor3,
nur3,
our3,
run3,
ulu3,
urn3,
2 letter words:
zo11,
ko6,
of5,
lo2,
no2,
nu2,
on2,
or2,
ou2,
un2,
ur2,