4 letter words:
abys9,
bays9,
boys9,
cays9,
cosy9,
coys9,
sybo9,
yobs9,
bacs8,
cabs8,
cobs8,
scab8,
soya7,
abos6,
boas6,
obas6,
ocas6,
soba6,
soca6,
3 letter words:
aby8,
bay8,
boy8,
bys8,
cay8,
coy8,
yob8,
bac7,
cab7,
cob7,
ays6,
oys6,
say6,
soy6,
yos6,
abo5,
abs5,
bas5,
boa5,
bos5,
cos5,
oba5,
obs5,
oca5,
sab5,
sac5,
sob5,
soc5,
2 letter words:
by7,
ay5,
oy5,
ya5,
yo5,
ab4,
ba4,
bo4,
ob4,
as2,
os2,
so2,