5 letter words:
kazoo18,
bazoo16,
taboo7,
4 letter words:
bozo15,
zobo15,
zoot13,
boak10,
boko10,
book10,
kobo10,
atok8,
koto8,
okta8,
toko8,
took8,
boat6,
boot6,
bota6,
3 letter words:
azo12,
zoa12,
zoo12,
bok9,
kab9,
kob9,
kat7,
koa7,
oak7,
oka7,
tak7,
abo5,
bat5,
boa5,
boo5,
bot5,
oba5,
obo5,
tab5,
oat3,
oot3,
tao3,
too3,
2 letter words:
za11,
zo11,
ka6,
ko6,
ab4,
ba4,
bo4,
ob4,
at2,
oo2,
ta2,
to2,