5 letter words:
nakfa12,
fauna8,
4 letter words:
fank11,
funk11,
kana8,
kaon8,
koan8,
kuna8,
faan7,
fano7,
faun7,
anoa4,
3 letter words:
kaf10,
aka7,
auk7,
koa7,
kon7,
oak7,
oka7,
ouk7,
auf6,
faa6,
fan6,
fon6,
fou6,
fun6,
oaf6,
ufo6,
ana3,
aua3,
2 letter words:
ka6,
ko6,
fa5,
of5,
aa2,
an2,
na2,
no2,
nu2,
on2,
ou2,
un2,