Seg
A prefix signifying one, single, alone; as, monocarp, monopoly; (Chem.) indicating that a compound contains one atom, radical, or group of that to the name of which it is united; as, monoxide, monosulphide, monatomic, etc.
Vogais: o
Consoantes: mn
moan, mon-, mona, mone, mono, moon, moun, mown, muon, mn.