7 letter words:
bookoos13,
6 letter words:
bookoo12,
5 letter words:
zooks18,
bozos16,
books11,
kobos11,
4 letter words:
bozo15,
zoos13,
woks11,
bisk10,
book10,
bosk10,
kobo10,
kobs10,
bows9,
swob9,
kois8,
sook8,
woos7,
bios6,
boos6,
obis6,
3 letter words:
wiz15,
biz14,
zoo12,
wok10,
kob9,
bow8,
kis7,
koi7,
kos7,
ski7,
sow6,
wis6,
woo6,
wos6,
bio5,
bis5,
boo5,
bos5,
obi5,
sib5,
sob5,
2 letter words:
ki6,
ow5,
wo5,
bi4,
bo4,
is2,
oi2,
os2,
si2,
so2,