6 letter words:
kroner10,
5 letter words:
krone9,
roker9,
roven8,
rover8,
4 letter words:
keno8,
kern8,
kero8,
kore8,
nerk8,
nork8,
renk8,
roke8,
oven7,
over7,
rove7,
oner4,
rone4,
rore4,
3 letter words:
erk7,
ken7,
kon7,
kor7,
nek7,
oke7,
rok7,
evo6,
rev6,
voe6,
vor6,
eon3,
ern3,
err3,
nor3,
one3,
ore3,
ren3,
reo3,
roe3,
2 letter words:
ko6,
en2,
er2,
ne2,
no2,
oe2,
on2,
or2,
re2,