5 letter words:
afrit8,
fritt8,
britt7,
trait5,
4 letter words:
barf9,
fair7,
fart7,
fiar7,
fiat7,
frat7,
frit7,
raft7,
rift7,
abri6,
bait6,
batt6,
bitt6,
brat6,
brit6,
airt4,
tart4,
3 letter words:
fab8,
fib8,
aft6,
arf6,
far6,
fat6,
fir6,
fit6,
rif6,
arb5,
bar5,
bat5,
bit5,
bra5,
rib5,
tab5,
air3,
ait3,
art3,
att3,
rai3,
rat3,
ria3,
tar3,
tat3,
tit3,
2 letter words:
fa5,
if5,
ab4,
ba4,
bi4,
ai2,
ar2,
at2,
it2,
ta2,
ti2,