6 letter words:
irokos10,
kooris10,
5 letter words:
iroko9,
koori9,
rooks9,
4 letter words:
irks8,
kirs8,
kois8,
koro8,
kors8,
kris8,
oiks8,
risk8,
roks8,
rook8,
skio8,
sook8,
roos4,
sori4,
3 letter words:
irk7,
kir7,
kis7,
koi7,
kor7,
kos7,
oik7,
rok7,
sik7,
ski7,
ios3,
iso3,
oor3,
oos3,
ors3,
roo3,
sir3,
sri3,
2 letter words:
ki6,
ko6,
io2,
is2,
oi2,
oo2,
or2,
os2,
si2,
so2,