dddd ddre dedd dede dedu deed deel deer deld dele dell der- dere derr deue deul deur dqed dred dree drel drue druu dudd dude dudu duel duer dule dull dulu duqu dure duru duul duur edde ede- edel eder edle edru edur eede eedu eeee eele elde eldr eled elee eler elle ellu elue elul eqed equ- eque erde ered erel erer erld erle erll erre erur eude euer eule eur- eure le-u lede leed leel leer lele lell lelu lerd lere leud leur lleu llll llud lrdd lrrr ludd lude lued luer lule lull lulu lurd lure luuq qere qerq qqqq qued quee quel quer qurd quu- rder redd rede redl redq redr redu reed reel reld rele rell reqd rerd rere reru reue reul reuu rlee rleu rred rrle rrrr rudd rude rudl rued ruel ruer rule rull rurd rure ruru ruud udel uder uele uell ulde ulee ulle ullr ulul urde urdu ure- ured urle urre uruq urur uulu uuuu