6 letter words:
nakfas13,
5 letter words:
nakfa12,
kanas9,
kaons9,
koans9,
fanos8,
anoas5,
4 letter words:
kafs11,
kaas8,
kana8,
kaon8,
koan8,
koas8,
oaks8,
okas8,
sank8,
soak8,
fano7,
fans7,
fons7,
oafs7,
sofa7,
anas4,
anoa4,
ansa4,
naos4,
3 letter words:
kaf10,
ask7,
kas7,
koa7,
kos7,
oak7,
oka7,
ska7,
fan6,
fas6,
fon6,
oaf6,
aas3,
ana3,
nos3,
ons3,
son3,
2 letter words:
ka6,
fa5,
of5,
aa2,
an2,
as2,
na2,
no2,
on2,
os2,
so2,