6 letter words:
koruna10,
kronur10,
narrow9,
5 letter words:
knaur9,
korun9,
krona9,
arrow8,
rowan8,
4 letter words:
know11,
wank11,
wark11,
wauk11,
wonk11,
work11,
kaon8,
karn8,
knar8,
knur8,
koan8,
kora8,
kuna8,
nark8,
okra8,
raku8,
rank8,
warn7,
waur7,
worn7,
orra4,
roan4,
roar4,
3 letter words:
wok10,
ark7,
auk7,
koa7,
kor7,
oak7,
oka7,
awn6,
naw6,
now6,
own6,
raw6,
row6,
wan6,
war6,
won6,
nor3,
oar3,
ora3,
our3,
ran3,
run3,
urn3,
2 letter words:
ka6,
aw5,
ow5,
wo5,
an2,
ar2,
na2,
no2,
nu2,
on2,
or2,
un2,