7 letter words:
clunker13,
crunkle13,
6 letter words:
lucken12,
ruckle12,
lunker10,
runkle10,
lucern8,
5 letter words:
clerk11,
clunk11,
knurl9,
cruel7,
lucre7,
ulcer7,
uncle7,
4 letter words:
cuke10,
luck10,
neck10,
reck10,
ruck10,
kern8,
knur8,
kune8,
leku8,
luke8,
lunk8,
lurk8,
nerk8,
neuk8,
nuke8,
renk8,
clue6,
crue6,
cure6,
curl6,
curn6,
ecru6,
luce6,
unce6,
lune4,
lure4,
nurl4,
rule4,
rune4,
3 letter words:
elk7,
erk7,
euk7,
ken7,
kue7,
lek7,
nek7,
uke7,
cel5,
cru5,
cue5,
cur5,
ecu5,
rec5,
ruc5,
ern3,
leu3,
lur3,
nur3,
ren3,
rue3,
run3,
ule3,
ure3,
urn3,
2 letter words:
el2,
en2,
er2,
ne2,
nu2,
re2,
un2,
ur2,