7 letter words:
unfaith13,
6 letter words:
fiaunt9,
5 letter words:
faith11,
ahint8,
faint8,
fitna8,
haint8,
haunt8,
hiant8,
hinau8,
hutia8,
unfit8,
unhat8,
tuina5,
4 letter words:
haft10,
hauf10,
fain7,
faun7,
faut7,
fiat7,
hain7,
hant7,
haut7,
hint7,
huia7,
hunt7,
naif7,
tanh7,
than7,
thin7,
tufa7,
aitu4,
anti4,
aunt4,
tain4,
tuan4,
tuna4,
unai4,
unit4,
3 letter words:
fah9,
aft6,
ahi6,
auf6,
fan6,
fat6,
fin6,
fit6,
fun6,
han6,
hat6,
hin6,
hit6,
hui6,
hun6,
hut6,
nah6,
nth6,
ain3,
ait3,
ani3,
ant3,
ita3,
nat3,
nit3,
nut3,
tai3,
tan3,
tau3,
tin3,
tui3,
tun3,
uni3,
uta3,
2 letter words:
ah5,
fa5,
ha5,
hi5,
if5,
uh5,
ai2,
an2,
at2,
in2,
it2,
na2,
nu2,
ta2,
ti2,
un2,
ut2,
