6 letter words:
fanion9,
5 letter words:
fanon8,
anion5,
4 letter words:
fain7,
fano7,
fino7,
foin7,
info7,
naif7,
anno4,
anon4,
nain4,
naoi4,
nona4,
noni4,
3 letter words:
fan6,
fin6,
fon6,
oaf6,
ain3,
ani3,
ann3,
inn3,
ion3,
nan3,
non3,
2 letter words:
fa5,
if5,
of5,
ai2,
an2,
in2,
io2,
na2,
no2,
oi2,
on2,