5 letter words:
fatty11,
nifty11,
faint8,
natty8,
nitty8,
taint5,
titan5,
4 letter words:
ayin7,
fain7,
fiat7,
naif7,
tiny7,
tyin7,
anti4,
tain4,
tint4,
3 letter words:
fay9,
aft6,
any6,
fan6,
fat6,
fin6,
fit6,
nay6,
yin6,
ain3,
ait3,
ani3,
ant3,
att3,
nit3,
tan3,
tat3,
tin3,
tit3,
2 letter words:
ay5,
fa5,
if5,
ya5,
ai2,
an2,
at2,
in2,
it2,
na2,
ta2,
ti2,