7 letter words:
niobium11,
6 letter words:
biniou8,
ionium8,
5 letter words:
nimbi9,
imino7,
onium7,
4 letter words:
nimb8,
numb8,
ombu8,
umbo8,
boun6,
mini6,
mino6,
muni6,
muon6,
3 letter words:
bum7,
mib7,
mob7,
bin5,
bio5,
boi5,
bon5,
bun5,
moi5,
mon5,
mou5,
mun5,
nib5,
nim5,
nob5,
nom5,
nub5,
obi5,
ion3,
uni3,
2 letter words:
bi4,
bo4,
mi4,
mo4,
mu4,
ob4,
om4,
um4,
in2,
io2,
no2,
nu2,
oi2,
on2,
ou2,
un2,