7 letter words:
affiant13,
6 letter words:
taffia12,
5 letter words:
faint8,
tafia8,
4 letter words:
naff10,
tiff10,
fain7,
fiat7,
naif7,
anta4,
anti4,
tain4,
3 letter words:
aff9,
iff9,
aft6,
fan6,
fat6,
fin6,
fit6,
ain3,
ait3,
ana3,
ani3,
ant3,
nit3,
tan3,
tin3,
2 letter words:
fa5,
if5,
aa2,
ai2,
an2,
at2,
in2,
it2,
na2,
ta2,
ti2,