5 letter words:
iroko9,
koori9,
4 letter words:
gowk12,
work11,
gook9,
grok9,
grow8,
koro8,
rook8,
giro5,
goor5,
gori5,
3 letter words:
kow10,
wok10,
irk7,
kir7,
koi7,
kor7,
oik7,
rok7,
wig7,
wog7,
row6,
woo6,
gio4,
goo4,
gor4,
rig4,
oor3,
roo3,
2 letter words:
ki6,
ko6,
ow5,
wo5,
gi3,
go3,
io2,
oi2,
oo2,
or2,