6 letter words:
fiaunt9,
5 letter words:
faint8,
fauna8,
fitna8,
tafia8,
unfit8,
tuina5,
4 letter words:
faan7,
fain7,
faun7,
faut7,
fiat7,
fini7,
naif7,
tufa7,
aitu4,
anta4,
anti4,
atua4,
aunt4,
inia4,
inti4,
tain4,
tana4,
tuan4,
tuna4,
unai4,
unit4,
3 letter words:
aft6,
auf6,
faa6,
fan6,
fat6,
fin6,
fit6,
fun6,
aia3,
ain3,
ait3,
ana3,
ani3,
ant3,
aua3,
ita3,
nat3,
nit3,
nut3,
tai3,
tan3,
tau3,
tin3,
tui3,
tun3,
uni3,
uta3,
2 letter words:
fa5,
if5,
aa2,
ai2,
an2,
at2,
in2,
it2,
na2,
nu2,
ta2,
ti2,
un2,
ut2,