6 letter words:
lunker10,
runkle10,
5 letter words:
knell9,
knurl9,
4 letter words:
kern8,
knur8,
kune8,
leku8,
lunk8,
lurk8,
neuk8,
nuke8,
lune4,
lure4,
null4,
nurl4,
rule4,
rune4,
3 letter words:
elk7,
ken7,
kue7,
lek7,
uke7,
ell3,
ern3,
leu3,
rue3,
run3,
urn3,
2 letter words:
el2,
en2,
er2,
ne2,
nu2,
re2,
un2,