5 letter words:
kiosk13,
kirks13,
groks10,
giros6,
4 letter words:
kirk12,
grok9,
irks8,
kirs8,
kois8,
kors8,
kris8,
risk8,
giro5,
rigs5,
iris4,
sori4,
3 letter words:
irk7,
kir7,
kis7,
koi7,
kor7,
kos7,
ski7,
gor4,
gos4,
rig4,
ors3,
sir3,
sri3,
2 letter words:
ki6,
go3,
is2,
oi2,
or2,
os2,
si2,
so2,