5 letter words:
farts8,
frats8,
rafts8,
start5,
tarts5,
trats5,
4 letter words:
arfs7,
fars7,
fart7,
fast7,
fats7,
fras7,
frat7,
raft7,
saft7,
arts4,
rast4,
rats4,
star4,
stat4,
tars4,
tart4,
tats4,
trat4,
tsar4,
3 letter words:
aft6,
arf6,
far6,
fas6,
fat6,
fra6,
ars3,
art3,
att3,
ras3,
rat3,
sar3,
sat3,
tar3,
tas3,
tat3,
2 letter words:
fa5,
ar2,
as2,
at2,
st2,
ta2,