5 letter words:
korai9,
krona9,
anion5,
noria5,
ronin5,
4 letter words:
akin8,
ikan8,
ikon8,
kain8,
kaon8,
karn8,
karo8,
kina8,
kino8,
kirn8,
knar8,
koan8,
kora8,
naik8,
nark8,
nork8,
oink8,
okra8,
raik8,
raki8,
rank8,
rink8,
airn4,
anno4,
anon4,
inro4,
iron4,
nain4,
naoi4,
noir4,
nona4,
noni4,
nori4,
rain4,
rani4,
roan4,
roin4,
3 letter words:
ark7,
ink7,
irk7,
kai7,
kin7,
kir7,
koa7,
koi7,
kon7,
kor7,
oak7,
oik7,
oka7,
rok7,
ain3,
air3,
ani3,
ann3,
inn3,
ion3,
nan3,
non3,
nor3,
oar3,
ora3,
rai3,
ran3,
ria3,
rin3,
2 letter words:
ka6,
ki6,
ko6,
ai2,
an2,
ar2,
in2,
io2,
na2,
no2,
oi2,
on2,
or2,