7 letter words:
flunker14,
fleuron10,
6 letter words:
funker13,
leukon10,
lunker10,
runkle10,
fouler9,
5 letter words:
fluke12,
flunk12,
knurl9,
korun9,
krone9,
felon8,
flour8,
fluor8,
enrol5,
loner5,
nerol5,
rouen5,
4 letter words:
folk11,
fork11,
funk11,
kerf11,
keno8,
kern8,
knur8,
koel8,
kore8,
kune8,
leku8,
lunk8,
lurk8,
neuk8,
nuke8,
enuf7,
fern7,
floe7,
flue7,
fore7,
foul7,
four7,
froe7,
fuel7,
furl7,
rolf7,
enol4,
euro4,
leno4,
lone4,
lore4,
lorn4,
lour4,
lune4,
lure4,
noel4,
nurl4,
orle4,
role4,
roue4,
rule4,
rune4,
3 letter words:
kef10,
elk7,
ken7,
kor7,
kue7,
lek7,
oke7,
uke7,
elf6,
fen6,
fer6,
feu6,
flu6,
foe6,
fon6,
for6,
fou6,
fro6,
fun6,
fur6,
ref6,
eon3,
ern3,
leu3,
nor3,
ole3,
one3,
ore3,
our3,
roe3,
rue3,
run3,
urn3,
2 letter words:
ef5,
fe5,
of5,
el2,
en2,
er2,
lo2,
ne2,
no2,
nu2,
oe2,
on2,
or2,
re2,
un2,