7 letter words:
rokkaku19,
5 letter words:
kokra13,
koura9,
4 letter words:
kark12,
karo8,
kora8,
koru8,
okra8,
raku8,
urao4,
3 letter words:
kak11,
ark7,
auk7,
koa7,
kor7,
oak7,
oka7,
ouk7,
rok7,
oar3,
ora3,
our3,
2 letter words:
ka6,
ko6,
ar2,
or2,
ou2,
ur2,
