5 letter words:
zooid15,
4 letter words:
bozo15,
zoic15,
wick13,
bock12,
dick11,
dock11,
book10,
cook10,
kobo10,
wood8,
odic7,
3 letter words:
wiz15,
biz14,
coz14,
zoo12,
wok10,
ick9,
kob9,
bow8,
cow8,
kid8,
cob7,
dow7,
koi7,
bid6,
bod6,
cod6,
dib6,
doc6,
woo6,
bio5,
boo5,
coo5,
obi5,
2 letter words:
ki6,
ow5,
wo5,
bi4,
bo4,
do3,
id3,
od3,
oi2,