8 letter words:
furuncle13,
6 letter words:
rueful9,
unfurl9,
urnful9,
curule8,
lucern8,
nucule8,
uncurl8,
unrule6,
5 letter words:
cruel7,
lucre7,
ulcer7,
uncle7,
4 letter words:
clef9,
curf9,
enuf7,
fern7,
flue7,
fuel7,
furl7,
clue6,
crue6,
cure6,
curl6,
curn6,
ecru6,
luce6,
unce6,
lune4,
lure4,
nurl4,
rule4,
rune4,
3 letter words:
elf6,
erf6,
fen6,
fer6,
feu6,
flu6,
fun6,
fur6,
nef6,
ref6,
cel5,
cru5,
cue5,
cur5,
ecu5,
rec5,
ruc5,
ern3,
leu3,
lur3,
nur3,
ren3,
rue3,
run3,
ule3,
ulu3,
ure3,
urn3,
2 letter words:
ef5,
fe5,
el2,
en2,
er2,
ne2,
nu2,
re2,
un2,
ur2,
