4 letter words:
gowk12,
work11,
gook9,
gouk9,
grok9,
grow8,
koro8,
koru8,
rook8,
goor5,
3 letter words:
kow10,
wok10,
kor7,
ouk7,
rok7,
wog7,
row6,
woo6,
goo4,
gor4,
gur4,
rug4,
oor3,
our3,
roo3,
2 letter words:
ko6,
ow5,
wo5,
go3,
gu3,
ug3,
oo2,
or2,
ou2,
ur2,