5 letter words:
inion5,
onion5,
4 letter words:
nown7,
winn7,
wino7,
woon7,
boon6,
noni4,
noon4,
3 letter words:
bow8,
iwi6,
now6,
own6,
win6,
won6,
woo6,
bin5,
bio5,
boi5,
bon5,
boo5,
nib5,
nob5,
obi5,
obo5,
inn3,
ion3,
non3,
noo3,
ono3,
oon3,
2 letter words:
ow5,
wo5,
bi4,
bo4,
ob4,
in2,
io2,
no2,
oi2,
on2,
oo2,