5 letter words:
pinko11,
4 letter words:
knop10,
pink10,
ponk10,
pook10,
pouk10,
punk10,
ikon8,
kino8,
nook8,
oink8,
noop6,
noup6,
pion6,
poon6,
upon6,
3 letter words:
kip9,
kop9,
ink7,
kin7,
koi7,
kon7,
oik7,
ouk7,
nip5,
oop5,
oup5,
pin5,
piu5,
poi5,
poo5,
pun5,
upo5,
ion3,
noo3,
ono3,
oon3,
uni3,
2 letter words:
ki6,
ko6,
op4,
pi4,
po4,
up4,
in2,
io2,
no2,
nu2,
oi2,
on2,
oo2,
ou2,
un2,