5 letter words:
barfs10,
farts8,
frats8,
rafts8,
brats7,
4 letter words:
barf9,
fabs9,
arfs7,
fart7,
fast7,
fats7,
frat7,
raft7,
arbs6,
bars6,
bast6,
bats6,
bras6,
brat6,
stab6,
tabs6,
arts4,
rats4,
star4,
tars4,
tsar4,
3 letter words:
fab8,
aft6,
arf6,
far6,
fas6,
fat6,
abs5,
arb5,
bar5,
bas5,
bat5,
bra5,
sab5,
tab5,
ars3,
art3,
ras3,
rat3,
sat3,
tar3,
tas3,
2 letter words:
fa5,
ab4,
ba4,
ar2,
as2,
at2,
ta2,