4 letter words:
bows9,
swab9,
swob9,
wabs9,
abas6,
abos6,
baas6,
boas6,
obas6,
soba6,
3 letter words:
bow8,
wab8,
awa6,
saw6,
sow6,
was6,
wos6,
aba5,
abo5,
abs5,
baa5,
bas5,
boa5,
bos5,
oba5,
sab5,
sob5,
aas3,
2 letter words:
aw5,
ow5,
wo5,
ab4,
ba4,
bo4,
aa2,
as2,
os2,
so2,