e-one eeeee eepee eevee enevo enone enope enpo enzen epeen epene epone even- evene eveno eveve n-p-n neeve neez neeze nenno neoev neope neppe neven nevez nevve nnooo no-no no-op nonne nonno nonop noone nooze nopep noppe novo- nozno nozze oeno- oenoe oeppo onene oneno oneon oneop onne- onnen onone onoon onpop ooooo oovoo opepe opone opovo oppon ozen- oznoz ozon- ozone ozono p-n-p peene peeve pene- penev penne penon penov peone pepee pepon peppe pevno pneo- po-on po-po ponne ponzo poope poopo poove popon popop popov poppe poppo povvo pozzo pzone v-one v-pop veeno veeve veeze venee venev venez venne veno- venoe venon veooz vepen veveo vezon zenne zeno- zenpo zenzo zeppo zeven zevon zonne zono- zoppo zveno zzzzz