5 letter words:
faith11,
firth11,
frith11,
afrit8,
airth8,
faint8,
haint8,
infra8,
riant5,
train5,
4 letter words:
haft10,
hath10,
fain7,
fair7,
fart7,
fiar7,
fiat7,
firn7,
frat7,
frit7,
hair7,
hant7,
hart7,
hint7,
naif7,
raft7,
rath7,
rift7,
tahr7,
than7,
thin7,
thir7,
airn4,
airt4,
anti4,
rain4,
rani4,
rant4,
tain4,
tarn4,
3 letter words:
hah9,
aft6,
ahi6,
arf6,
fan6,
far6,
fat6,
fin6,
fir6,
fit6,
hat6,
hin6,
hit6,
nah6,
nth6,
rah6,
rif6,
ain3,
air3,
ait3,
ani3,
ant3,
art3,
nit3,
rai3,
ran3,
rat3,
ria3,
rin3,
tan3,
tar3,
tin3,
2 letter words:
ah5,
fa5,
ha5,
hi5,
if5,
ai2,
an2,
ar2,
at2,
in2,
it2,
na2,
ta2,
ti2,