eeee eeze emer emeu emme emmu empe emre emup epee eper eppp eprp erem erer erez erme erpe erre erum erur euer eur- eure ezem ezer ezuz meem meep meer meez meme memr memu memz mepe mer- mere merm merp meru merz meum meup meze mezz mmmm mmpr mmpu mmrp mppe mppp mprp mree muee mume mumm mump mumu mure murr muru muze muzz mze mzee peep peer pepe per- pere perm perp perr peru peur peze pmmp pmmu pmpm pper pppp pprm ppru ppur pre- pree prem prep preu prez prrm prue prum pruu pu-e puer pueu pume pump pupe pupu pur- pure purp purr puru reem reep reme remp repe repp repr repu rere reru reue reup reuu reze rezu rmrp rrmp rrrr rrum ruer ruez rume rumm rump rupe rupp rure rurp ruru ruze u-rp umer umpe upme uppe uppp uppu upup ure- urre urum urup urur uruz uuuu uzer zeep zeme zepp zeze zmeu zrze zurr zuru zuzu zzzz