5 letter words:
wacko14,
koppa13,
pucka13,
cuppa11,
pooka11,
apoop9,
4 letter words:
cawk13,
cowk13,
pawk13,
wack13,
wock13,
pack12,
pock12,
puck12,
cowp11,
wauk11,
cauk10,
cook10,
koap10,
pook10,
pouk10,
puka10,
capo8,
caup8,
coop8,
coup8,
oppo8,
paco8,
poco8,
poop8,
pupa8,
oupa6,
3 letter words:
kaw10,
kow10,
wok10,
kop9,
caw8,
cow8,
paw8,
pow8,
wap8,
wop8,
app7,
auk7,
cap7,
cop7,
cup7,
koa7,
oak7,
oka7,
ouk7,
pac7,
pap7,
pop7,
pup7,
woo6,
apo5,
coo5,
oca5,
oop5,
oup5,
poa5,
poo5,
upo5,
2 letter words:
ka6,
ko6,
aw5,
ow5,
wo5,
op4,
pa4,
po4,
up4,
oo2,
ou2,