-ene eeee emen emer emeu emme emmu emne empe emre emup enee enem ener enne ennu enp- enue enum enur epee epen eper eppp eprp erem eren erer erme erne erpe erre erum erur euer eur- eure meem meen meep meer meme memr memu men- mene menn menu mepe mer- mere merm mern merp meru meum meup mmen mmmm mmpr mmpu mmrp mmun mnem mppe mppp mprp mree mren muee mume mumm mump mumu mune munn munu mure murn murr muru n-up neem neen neep neer nem- neme nemn nemp nemu nene nenu nepe nepr nere nerm nerr neru neue neum neun neur neuu nm-e nnnn nnpr nprm nrem nren nrpn nuee nuer nume numm nump numu nune nunn nupe nure nurn nurp nurr nuru peen peep peer pen- pene penn penu pepe per- pere perm pern perp perr peru peun peur pmmp pmmu pmpm pneu pnnm pnpp pnup ppen pper pppn pppp pprm ppru ppur pre- pree prem pren prep preu prnp prrm prue prum pruu pu-e puer pueu pume pump pune punu pupe pupu pur- pure purp purr puru reem reen reep reme remn remp rene renn renu repe repp repr repu rere reru reue reup reuu rmrp rppn rrmp rrrr rrum rrun ruen ruer rume rumm rump rune runn rupe rupp rure rurp ruru ruun u-rp umer umpe unee unen uner unmr unne unum upen upme upne upnp uppe uppp uppu upup ure- urne urre urum urun urup urur uuen uuuu