4 letter words:
zouk17,
jook15,
jouk15,
orzo13,
ouzo13,
jour11,
pook10,
pork10,
pouk10,
koro8,
koru8,
rook8,
poor6,
pour6,
proo6,
roop6,
roup6,
3 letter words:
poz14,
zoo12,
jor10,
kop9,
kor7,
ouk7,
rok7,
oop5,
oup5,
poo5,
pro5,
pur5,
upo5,
urp5,
oor3,
our3,
roo3,
2 letter words:
zo11,
jo9,
ko6,
op4,
po4,
up4,
oo2,
or2,
ou2,
ur2,