10 letter words:
affiancing19,
7 letter words:
naffing14,
6 letter words:
fanfic14,
fifing13,
facing12,
fining10,
caning9,
niacin8,
angina7,
5 letter words:
facia10,
ficin10,
finca10,
fagin9,
fanga9,
acing8,
icing8,
acini7,
canna7,
again6,
4 letter words:
caff12,
gaff11,
naff10,
fang8,
fain7,
naif7,
cain6,
agin5,
anga5,
gain5,
anna4,
inia4,
naan4,
nana4,
3 letter words:
aff9,
iff9,
fag7,
fig7,
cig6,
fan6,
fin6,
can5,
aga4,
gan4,
gin4,
nag4,
ain3,
ana3,
ani3,
inn3,
nan3,
2 letter words:
fa5,
if5,
ag3,
aa2,
ai2,
an2,
in2,
na2,