6 letter words:
kouroi10,
5 letter words:
iroko9,
guiro6,
4 letter words:
gowk12,
work11,
gook9,
grok9,
grow8,
rook8,
giro5,
3 letter words:
wok10,
irk7,
kir7,
koi7,
kor7,
wig7,
wog7,
row6,
woo6,
goo4,
gor4,
rig4,
rug4,
our3,
2 letter words:
ki6,
ow5,
wo5,
go3,
oi2,
or2,