6 letter words:
corkir12,
5 letter words:
zorro14,
crook11,
iroko9,
koori9,
roric7,
4 letter words:
zoic15,
orzo13,
zori13,
cook10,
cork10,
rick10,
rock10,
koro8,
rook8,
coir6,
3 letter words:
coz14,
riz12,
zoo12,
ick9,
irk7,
kir7,
koi7,
kor7,
oik7,
rok7,
coo5,
cor5,
orc5,
roc5,
oor3,
roo3,
2 letter words:
zo11,
ki6,
ko6,
io2,
oi2,
oo2,
or2,