dddd ddre dedd dede dedu deed deem deer dem- demd deme demu der- dere derm derr deue deum deur dred dree drem drue drum druu dudd dude dudu duer dume dumm dure duru duur edde eddm ede- edem eder edme edrm edru edur eede eedu eeee emer emeu emme emmu emre erde ered erem erer erme erre erum erur eude eudm euer eur- eure mddm mdme mdud medd mede medu meed meem meer meme memr memu mer- merd mere merm meru meum mmmd mmmm mrdd mred mree mrmd mrud mudd mude mudu mued muee mume mumm mumu murd mure murr muru rder redd rede redr redu reed reem reme rerd rere reru reue reuu rred rrrr rrum rudd rude rued ruer rume rumm rurd rure ruru ruud udem uder umde umer urde urdu ure- ured urre urum urur uuuu