a-fu aaaa aaad aaae aaaf aaar aada aade aadu aaea aafa aafd aaff aara aard aare aaru adaa adad adae adar adda addd adde addr addu adea adee ader adfa adra adre adua adue adur aeaf aede aeer aer- aera aerd afaa afad afar afee afer affa afr- afra afre afru afua afud afue arad arae araf arar arau arda arde ardf ardu area ared aree aref areu arfa arff arfu arr- arra arre arrr arru arua arud arue auaa aude auer aufe aur- aura aurd aure daad daae daar daau dada dade dadu daer daeu dafa dafe daff dara dard dare darf darr daru daud daue daur dddd ddre dead deae deaf dear deau deda dedd dede dedu deed deef deer defe deff der- dera dere derf derr deua deue deur dfaf dfer dffa dfrf draa drad draf drar drau drda drea dred dree dref drra drua drue druu duaa duad duar duda dudd dude dudu duer duff dufu dura dure duru duur eaaf eada eadd eara eard eare edad edar edda edde ede- edea eder edfa edfu edra edru edur eede eedu eeea eeee eefa eefe eera efda effa efua erad eraf erau erda erde erdf ered erer erra erre erua erur eude euer eur- eura eure faaa faad fada fadd fade fafa fafe faff fara fard fare farr faru faud faue faur fead feaf fear feda fede feed feer fefe feff fera ferd fere ferr feru feud ffar ffee ffff ffrr frad frae frau frea fred free frue fuad fuar fuda fudd fude fuff fufu fur- fura fure furr raad raaf rada radd rade radr radu raed raef raer rafa rafe raff rara rare rarf raua raud raue rauf rder rdfa rea- read reae reaf rear reau reda redd rede redr redu reed reef refd refe reff refr refu rera rerd rere reru reue reuf reuu rfae rfef rrad rred rrrr ruad ruda rudd rude rued ruer rufa rufe ruff rura rurd rure ruru ruud uafa uaru uaua udaa udad udar udau udea uder udra ueda uefa ufer uffa uffe ufra urad urau urda urde urdu ure- urea ured urfa urfe urff urra urre urur uuuu