4 letter words:
cozy18,
copy11,
boys9,
cosy9,
coys9,
posy9,
sybo9,
yobs9,
bops8,
cobs8,
cops8,
scop8,
3 letter words:
coz14,
boy8,
bys8,
coy8,
spy8,
yob8,
bop7,
cob7,
cop7,
soy6,
bos5,
cos5,
ops5,
sob5,
sop5,
2 letter words:
by7,
oy5,
yo5,
bo4,
op4,
os2,
so2,