4 letter words:
know11,
wonk11,
knop10,
ponk10,
pook10,
pouk10,
punk10,
pown9,
nook8,
woon7,
noop6,
noup6,
poon6,
upon6,
3 letter words:
kow10,
wok10,
kop9,
pow8,
wop8,
kon7,
ouk7,
now6,
own6,
won6,
woo6,
oop5,
oup5,
poo5,
pun5,
upo5,
noo3,
ono3,
oon3,
2 letter words:
ko6,
ow5,
wo5,
op4,
po4,
up4,
no2,
nu2,
on2,
oo2,
ou2,
un2,