5 letter words:
kabob13,
baboo9,
4 letter words:
book10,
kobo10,
boob8,
obia6,
3 letter words:
wok10,
kab9,
kob9,
bow8,
wab8,
bib7,
bob7,
koa7,
koi7,
oak7,
oka7,
woo6,
abo5,
bio5,
boa5,
boo5,
oba5,
obi5,
2 letter words:
ka6,
ki6,
aw5,
ow5,
wo5,
ab4,
ba4,
bi4,
bo4,
ai2,
oi2,