6 letter words:
zorino15,
krooni10,
5 letter words:
iroko9,
koori9,
kroon9,
4 letter words:
zonk17,
orzo13,
zoon13,
zori13,
ikon8,
kino8,
kirn8,
koro8,
nook8,
nork8,
oink8,
rink8,
rook8,
inro4,
iron4,
noir4,
nori4,
roin4,
roon4,
3 letter words:
riz12,
zin12,
zoo12,
ink7,
irk7,
kin7,
kir7,
koi7,
kon7,
kor7,
oik7,
rok7,
ion3,
noo3,
nor3,
ono3,
oon3,
oor3,
rin3,
roo3,
2 letter words:
zo11,
ki6,
ko6,
in2,
io2,
no2,
oi2,
on2,
oo2,
or2,