6 letter words:
unkent10,
return6,
runner6,
runnet6,
turner6,
unrent6,
5 letter words:
knurr9,
kurre9,
trunk9,
unket9,
rerun5,
truer5,
tuner5,
urent5,
4 letter words:
kent8,
kern8,
knur8,
knut8,
kune8,
nerk8,
neuk8,
nuke8,
renk8,
trek8,
turk8,
nurr4,
rent4,
ruer4,
rune4,
runt4,
tern4,
true4,
tune4,
turn4,
3 letter words:
erk7,
euk7,
ken7,
ket7,
kue7,
nek7,
uke7,
ern3,
err3,
net3,
nun3,
nur3,
nut3,
ren3,
ret3,
rue3,
run3,
rut3,
ten3,
tun3,
ure3,
urn3,
ute3,
2 letter words:
en2,
er2,
et2,
ne2,
nu2,
re2,
te2,
un2,
ur2,
ut2,