5 letter words:
bound8,
4 letter words:
bozo15,
ouzo13,
zoon13,
bond7,
bund7,
boon6,
udon5,
undo5,
3 letter words:
zoo12,
bod6,
bud6,
dub6,
boo5,
bun5,
nob5,
nub5,
don4,
dun4,
duo4,
nod4,
oud4,
udo4,
noo3,
ono3,
2 letter words:
bo4,
do3,
od3,
no2,
nu2,
on2,
un2,