dddd ddre dedd dede dedu deed deef deel deem deer defe deff deld dele delf dell dem- demd deme demu der- dere derf derm derr deue deul deum deur dfer dfrf dred dree dref drel drem drue drum druu dudd dude dudu duel duer duff dufu dule dull dulu dume dumm dure duru duul duur edde eddm ede- edel edem eder edfl edfu edle edme edrm edru edur eede eedu eeee eefe eefl eele efmd elde eldr eled elee elef elem eler elfe elle ellu elme elml elue elul elum emel emer emeu emle emlm emme emml emmu emre emul erde erdf ered erel erem erer erld erle erll erme erre erum erur eude eudm euer eule eur- eure fdlr fdml fede feed feel feem feer fefe feff feld fele felf fell felm feme femm ferd fere ferm ferr feru feud ffee ffff ffrr fldr fled flee flem fler flud flue fluf flum flur fred free frem frue frum fudd fude fuel fuff fufu fule full fulu fume fur- fure furl furm furr lddm le-u lede leed leef leel leem leer lefe leff lele lell lelu leme lemm lemu lerd lere lerm leud leur lfmr lfrd llef lleu llll llud lmfm lmmr lrdd lrrr ludd lude lued luef luer lufe luff lufu lule lull lulu lume lurd lure mddl mddm mdef mdel mdme mdmf mdud medd mede medu meed meef meel meem meer mefe meff mel- meld mele melf mell meme meml memr memu mer- merd mere merf merl merm meru meum mldr mlle mmdf mmdl mmfd mmff mmmd mmmm mmrf mrdd mred mree mrmd mrml mrud mudd mude mudl mudu mued muee muel muff mufu muld mule mull mulm mulu mume mumm mumu murd mure murl murr muru rder redd rede redl redr redu reed reef reel reem refd refe reff refl refr refu reld rele rell relm reme rerd rere reru reue reuf reul reuu rfef rfem rffl rlee rlef rleu rlml rmll rred rrle rrrr rrum rudd rude rudl rued ruel ruer rufe ruff rule rull rume ruml rumm rurd rure ruru ruud udel udem uder uele uell ufel ufer uffe ulde ulee ulfe ulle ullr ulme ulmu ulul ulum umde umer umff urde urdu ure- ured urfe urff urle urre urum urur uulu uuuu