5 letter words:
abaft10,
rabat7,
4 letter words:
barf9,
abba8,
baba8,
barb8,
afar7,
fart7,
frat7,
raft7,
brat6,
3 letter words:
fab8,
aft6,
arf6,
far6,
fat6,
aba5,
arb5,
baa5,
bar5,
bat5,
bra5,
tab5,
art3,
rat3,
tar3,
2 letter words:
fa5,
ab4,
ba4,
aa2,
ar2,
at2,
ta2,