4 letter words:
fink11,
kaif11,
naff10,
akin8,
ikon8,
kain8,
kaon8,
kina8,
kino8,
koan8,
oink8,
fain7,
fano7,
fino7,
foin7,
info7,
naif7,
inia4,
naoi4,
3 letter words:
kaf10,
kif10,
aff9,
iff9,
off9,
ink7,
kin7,
koa7,
koi7,
oak7,
oka7,
fan6,
fin6,
fon6,
oaf6,
ain3,
ani3,
ion3,
2 letter words:
ka6,
ki6,
fa5,
if5,
of5,
ai2,
an2,
in2,
na2,
no2,
oi2,
on2,