6 letter words:
unroot6,
5 letter words:
knout9,
korun9,
kroon9,
trunk9,
4 letter words:
knot8,
knur8,
koto8,
nook8,
rook8,
took8,
turk8,
onto4,
root4,
roto4,
rout4,
runt4,
toon4,
torn4,
toro4,
tour4,
turn4,
unto4,
3 letter words:
kor7,
noo3,
nor3,
not3,
nut3,
ono3,
oot3,
ort3,
our3,
out3,
rot3,
run3,
rut3,
ton3,
too3,
tor3,
tun3,
urn3,
2 letter words:
no2,
nu2,
on2,
or2,
to2,
un2,
ut2,