5 letter words:
kazoo18,
bazoo16,
booze16,
zooea14,
ebook11,
4 letter words:
bozo15,
zobo15,
ooze13,
zoea13,
bake10,
beak10,
boak10,
boke10,
boko10,
book10,
kobo10,
oboe6,
3 letter words:
zek16,
bez14,
azo12,
zea12,
zoa12,
zoo12,
bok9,
kab9,
keb9,
kob9,
ake7,
kae7,
kea7,
koa7,
oak7,
oka7,
oke7,
abo5,
boa5,
boo5,
oba5,
obe5,
obo5,
2 letter words:
za11,
zo11,
ka6,
ko6,
ab4,
ba4,
be4,
bo4,
ob4,
ae2,
ea2,
oe2,
oo2,