7 letter words:
nookier11,
rooinek11,
6 letter words:
krooni10,
nookie10,
rookie10,
5 letter words:
eikon9,
enoki9,
inker9,
iroko9,
kiore9,
koine9,
koori9,
krone9,
kroon9,
reink9,
irone5,
oorie5,
roneo5,
4 letter words:
ikon8,
keir8,
keno8,
kern8,
kero8,
kier8,
kine8,
kino8,
kirn8,
kore8,
koro8,
nerk8,
nook8,
nork8,
oink8,
reik8,
renk8,
rink8,
roke8,
rook8,
inro4,
iron4,
noir4,
nori4,
oner4,
onie4,
rein4,
rine4,
roin4,
rone4,
roon4,
3 letter words:
eik7,
erk7,
ink7,
irk7,
ken7,
kin7,
kir7,
koi7,
kon7,
kor7,
nek7,
oik7,
oke7,
rok7,
eon3,
ern3,
ion3,
ire3,
nie3,
noo3,
nor3,
one3,
ono3,
oon3,
oor3,
ore3,
rei3,
ren3,
reo3,
rin3,
roe3,
roo3,
2 letter words:
ki6,
ko6,
en2,
er2,
in2,
io2,
ne2,
no2,
oe2,
oi2,
on2,
oo2,
or2,
re2,