6 letter words:
kouroi10,
5 letter words:
iroko9,
4 letter words:
zouk17,
mozo15,
zoom15,
orzo13,
ouzo13,
zori13,
mirk10,
murk10,
rook8,
moor6,
room6,
3 letter words:
zoo12,
irk7,
kir7,
koi7,
kor7,
mir5,
moo5,
mor5,
rim5,
rom5,
rum5,
our3,
2 letter words:
ki6,
mi4,
mo4,
mu4,
om4,
um4,
oi2,
or2,