4 letter words:
dowp10,
pook10,
pouk10,
dook9,
douk9,
kudo9,
wood8,
doup7,
pood7,
updo7,
3 letter words:
kow10,
wok10,
kop9,
pow8,
wop8,
dow7,
ouk7,
wud7,
dop6,
dup6,
pod6,
pud6,
woo6,
oop5,
oup5,
poo5,
upo5,
doo4,
duo4,
oud4,
udo4,
2 letter words:
ko6,
ow5,
wo5,
op4,
po4,
up4,
do3,
od3,
oo2,
ou2,