5 letter words:
fanks12,
kaons9,
koans9,
nooks9,
sanko9,
snook9,
fanos8,
4 letter words:
fank11,
kafs11,
kans8,
kaon8,
koan8,
koas8,
kons8,
nook8,
oaks8,
okas8,
sank8,
soak8,
sook8,
fano7,
fans7,
fons7,
oafs7,
oofs7,
sofa7,
naos4,
onos4,
oons4,
soon4,
3 letter words:
kaf10,
ask7,
kas7,
koa7,
kon7,
kos7,
oak7,
oka7,
ska7,
fan6,
fas6,
fon6,
oaf6,
oof6,
nas3,
noo3,
nos3,
ono3,
ons3,
oon3,
oos3,
san3,
son3,
2 letter words:
ka6,
ko6,
fa5,
of5,
an2,
as2,
na2,
no2,
on2,
oo2,
os2,
so2,