4 letter words:
akin8,
ikan8,
ikon8,
kain8,
kaon8,
kina8,
kino8,
koan8,
naik8,
oink8,
naoi4,
3 letter words:
ink7,
kai7,
kin7,
koa7,
koi7,
kon7,
oak7,
oik7,
oka7,
ain3,
ani3,
ion3,
2 letter words:
ka6,
ki6,
ko6,
ai2,
an2,
in2,
io2,
na2,
no2,
oi2,
on2,