e-one eeeee eepee eevee enevo enone enope enpo epeen epene epone even- evene eveno eveve n-p-n neeve nenno neoev neope neppe neven nevve nnooo no-no no-op nonne nonno nonop noone nopep noppe novo- oeno- oenoe oeppo onene oneno oneon oneop onne- onnen onone onoon onpop ooooo oovoo opepe opone opovo oppon p-n-p peene peeve pene- penev penne penon peone pepee pepon peppe pevno pneo- po-on po-po ponne poope poopo poove popon popop popov poppe poppo povvo v-one v-pop veeno veeve venee venev venne veno- venoe venon vepen veveo