5 letter words:
basta7,
basts7,
stabs7,
4 letter words:
abas6,
baas6,
bass6,
bast6,
bats6,
sabs6,
stab6,
tabs6,
tass4,
3 letter words:
aba5,
abs5,
baa5,
bas5,
bat5,
sab5,
tab5,
aas3,
ass3,
sat3,
tas3,
2 letter words:
ab4,
ba4,
aa2,
as2,
at2,
st2,
ta2,