4 letter words:
abys9,
bays9,
boys9,
sybo9,
yobs9,
soya7,
abas6,
abos6,
baas6,
boas6,
obas6,
soba6,
3 letter words:
aby8,
bay8,
boy8,
bys8,
yob8,
ays6,
say6,
soy6,
aba5,
abo5,
abs5,
baa5,
bas5,
boa5,
bos5,
oba5,
sab5,
sob5,
aas3,
2 letter words:
by7,
ay5,
oy5,
ya5,
yo5,
ab4,
ba4,
bo4,
aa2,
as2,
os2,
so2,