5 letter words:
bozos16,
4 letter words:
bozo15,
zoic15,
zoos13,
cobs8,
bios6,
boos6,
coos6,
obis6,
3 letter words:
biz14,
coz14,
zoo12,
cob7,
bio5,
bis5,
boo5,
bos5,
cis5,
coo5,
cos5,
obi5,
sib5,
sic5,
sob5,
2 letter words:
bi4,
bo4,
is2,
oi2,
os2,
si2,
so2,