4 letter words:
knap10,
knop10,
gook9,
kaon8,
koan8,
nook8,
goop7,
pang7,
pong7,
poon6,
agon5,
goon5,
3 letter words:
kop9,
koa7,
oak7,
oka7,
gap6,
apo5,
nap5,
pan5,
poo5,
ago4,
gan4,
goa4,
goo4,
nag4,
nog4,
noo3,
ono3,
2 letter words:
ka6,
op4,
pa4,
ag3,
go3,
an2,
na2,
no2,
on2,