4 letter words:
orzo13,
work11,
pook10,
pork10,
prow9,
koro8,
rook8,
poor6,
proo6,
roop6,
3 letter words:
poz14,
zoo12,
kow10,
wok10,
kop9,
pow8,
wop8,
kor7,
rok7,
row6,
woo6,
oop5,
poo5,
pro5,
oor3,
roo3,
2 letter words:
zo11,
ko6,
ow5,
wo5,
op4,
po4,
oo2,
or2,