4 letter words:
gowk12,
work11,
pook10,
pork10,
gook9,
grok9,
prow9,
grow8,
koro8,
rook8,
goop7,
gorp7,
pogo7,
prog7,
poor6,
proo6,
roop6,
goor5,
3 letter words:
kow10,
wok10,
kop9,
pow8,
wop8,
kor7,
rok7,
wog7,
row6,
woo6,
oop5,
poo5,
pro5,
goo4,
gor4,
oor3,
roo3,
2 letter words:
ko6,
ow5,
wo5,
op4,
po4,
go3,
oo2,
or2,