5 letter words:
kapok15,
kokra13,
4 letter words:
kark12,
koap10,
park10,
pork10,
karo8,
kora8,
okra8,
prao6,
proa6,
3 letter words:
kak11,
kop9,
ark7,
koa7,
kor7,
oak7,
oka7,
rok7,
apo5,
par5,
poa5,
pro5,
rap5,
oar3,
ora3,
2 letter words:
ka6,
ko6,
op4,
pa4,
po4,
ar2,
or2,