5 letter words:
rojak16,
krona9,
4 letter words:
jark15,
kaon8,
karn8,
karo8,
knar8,
koan8,
kora8,
nark8,
nork8,
okra8,
rank8,
roan4,
3 letter words:
jak14,
jar10,
jor10,
raj10,
ark7,
koa7,
kon7,
kor7,
oak7,
oka7,
rok7,
nor3,
oar3,
ora3,
ran3,
2 letter words:
ja9,
jo9,
ka6,
ko6,
an2,
ar2,
na2,
no2,
on2,
or2,