dddd ddre dedd dede dedu deed deef deem deep deer defe deff dem- demd deme demu depe depp depr der- dere derf derm derp derr deue deum deur dfer dfrf dmpu dper dred dree dref drem drue drum drup druu dudd dude dudu duer duff dufu dume dumm dump dupe dure duru duur edde eddm eddp ede- edem eder edfu edme edrm edru edup edur eede eedu eeee eefe efmd emer emeu emme emmu empd empe emre emup epee eper epmd eppp eprp erde erdf ered erem erer erme erpe erre erum erur eude eudm euer eur- eure fede feed feem feer fefe feff feme femm ferd fere ferm ferr feru feud ffee ffff ffrr fmep fprf fred free frem frep frpd frue frum fudd fude fuff fufu fume fur- fure furm furr mddm mdef mdme mdmf mdmp mdpp mdud medd mede medu meed meef meem meep meer mefe meff meme memr memu mepe mer- merd mere merf merm merp meru meum meup mfdp mfrp mmdf mmfd mmff mmmd mmmm mmpr mmpu mmrf mmrp mppe mppf mppp mprf mprp mrdd mred mree mrmd mrud mudd mude mudu mued muee muff mufu mume mumm mump mumu murd mure murr muru pdmu pdpr ped- pede pedf peed peep peer peff pepd pepe per- perd pere perf perm perp perr peru peur pfff pffr pmed pmmp pmmu pmpm pper pppd pppp pprf pprm ppru ppur pre- pred pree pref prem prep preu prpd prrd prrm prud prue pruf prum pruu pu-e pudu pued puer pueu puff pume pump pupe pupu pur- pure purp purr puru rder redd rede redr redu reed reef reem reep refd refe reff refr refu reme remp repe repp repr repu rerd rere reru reue reuf reup reuu rfef rfem rmrp rpdp rred rrmp rrrr rrum rudd rude rudp rued ruer rufe ruff rume rumm rump rupe rupp rurd rure rurp ruru ruud u-rp udem uder udpd ufer uffe umde umer umff umpe updf updm uped upme uppe uppp uppu upup urde urdu ure- ured urfe urff urre urum urup urur uuuu