8 letter words:
gonfanon12,
7 letter words:
nonagon8,
6 letter words:
nonfan9,
5 letter words:
ganof9,
gonof9,
fanon8,
4 letter words:
fang8,
goof8,
fano7,
agon5,
goon5,
anon4,
nona4,
noon4,
3 letter words:
fag7,
fog7,
fan6,
fon6,
oaf6,
ago4,
gan4,
goa4,
goo4,
nag4,
nog4,
nan3,
noo3,
ono3,
2 letter words:
fa5,
of5,
ag3,
go3,
an2,
na2,
no2,
on2,