5 letter words:
faith11,
firth11,
frith11,
afrit8,
airth8,
friar8,
4 letter words:
haft10,
fair7,
fart7,
fiar7,
fiat7,
frat7,
frit7,
hair7,
hart7,
raft7,
rath7,
rift7,
tahr7,
thir7,
airt4,
3 letter words:
aft6,
ahi6,
arf6,
far6,
fat6,
fir6,
fit6,
hat6,
hit6,
rah6,
rif6,
air3,
ait3,
art3,
rai3,
rat3,
ria3,
tar3,
2 letter words:
ah5,
fa5,
ha5,
hi5,
if5,
ai2,
ar2,
at2,
it2,
ta2,
ti2,