6 letter words:
kereru10,
kernel10,
lunker10,
lurker10,
renker10,
runkle10,
unreel6,
unrule6,
5 letter words:
kerel9,
kerne9,
kneel9,
knurl9,
knurr9,
kurre9,
enure5,
lurer5,
rerun5,
ruler5,
4 letter words:
keel8,
keen8,
kern8,
knee8,
knur8,
kune8,
kuru8,
leek8,
leke8,
leku8,
luke8,
lunk8,
lurk8,
nerk8,
neuk8,
nuke8,
reek8,
reke8,
renk8,
erne4,
leer4,
lere4,
lune4,
lure4,
nurl4,
nurr4,
reel4,
reen4,
ruer4,
rule4,
rune4,
ruru4,
3 letter words:
eek7,
eke7,
elk7,
erk7,
euk7,
ken7,
kue7,
lek7,
nek7,
uke7,
eel3,
een3,
ene3,
ere3,
ern3,
err3,
lee3,
leu3,
lur3,
nee3,
nur3,
ree3,
ren3,
rue3,
run3,
ule3,
ulu3,
ure3,
urn3,
2 letter words:
ee2,
el2,
en2,
er2,
ne2,
nu2,
re2,
un2,
ur2,