5 letter words:
knout9,
punto7,
puton7,
4 letter words:
konk12,
kook12,
knop10,
punk10,
knot8,
koto8,
nook8,
took8,
poon6,
pout6,
punt6,
topo6,
upon6,
onto4,
toon4,
unto4,
3 letter words:
kop9,
opt5,
poo5,
pot5,
pun5,
put5,
top5,
tup5,
upo5,
noo3,
not3,
nut3,
ono3,
oot3,
out3,
ton3,
too3,
tun3,
2 letter words:
op4,
up4,
no2,
nu2,
on2,
to2,
un2,
ut2,