e-one eeeee eepee emmen emnem emono empee enone enope enpo epeen epene epome epone exeem exeme exene exome exxon meene memex memon mempo menem menen meneo menne menno meno- menon menpo meone mexen mmmmm mnem- mneme moeen moeme momen momme momoe mompe monee monen moneo monex monne monno mono- monon moone moope mopee moxee moxon n-p-n neeme neemo nemen nemo- nemom nenem nenno neope neppe nexen nexoe nexon nnooo no-no no-op noeme nomen nomex nomme nommo nomo- nomom nonne nonno nonop noone nopep noppe noxon oeno- oenoe oeppo omemo ommen omoon one-x onemo onene oneno oneon oneop onepm onne- onnen onone onoon onpop onxeo ooooo openx opepe opone oppon p-n-p p-o-x peene pemex pene- penem penex penne penon peone pepee pepon peppe pneo- po-on po-po poeme pomme pompe ponne poope poopo popex popon popop poppe poppo poxon pppox x-men x-one xeno- xenon xepon xexex xonox xoxox