e-one eeeee emmen emnem emono enone exeem exeme exene exome exxon meene memex memon menem menen meneo menne menno meno- menon meone mexen mmmmm mnem- mneme moeen moeme momen momme momoe monee monen moneo monex monne monno mono- monon moone moxee moxon neeme neemo nemen nemo- nemom nenem nenno nexen nexoe nexon nnooo no-no noeme nomen nomex nomme nommo nomo- nomom nonne nonno noone noxon oeno- oenoe omemo ommen omoon one-x onemo onene oneno oneon onne- onnen onone onoon onxeo ooooo x-men x-one xeno- xenon xexex xonox xoxox