5 letter words:
boyos10,
4 letter words:
boyo9,
boys9,
cosy9,
coys9,
sybo9,
yobs9,
cobs8,
bios6,
boos6,
coos6,
obis6,
3 letter words:
boy8,
bys8,
coy8,
icy8,
yob8,
cob7,
soy6,
bio5,
bis5,
boo5,
bos5,
cis5,
coo5,
cos5,
obi5,
sib5,
sic5,
sob5,
2 letter words:
by7,
oy5,
yo5,
bi4,
bo4,
is2,
oi2,
os2,
si2,
so2,