a-be aaaa aaab aaad aaae aaar aaba aabb aabd aada aade aadu aaea aara aard aare aaru abaa abab abad abae abaj abar abau abb- abba abbb abbe abbr abda abdu abed abee aber abra abua abud abue adaa adab adad adae adar adba adda addd adde addr addu adea adeb adee ader adja adra adre adua adub adue adur aede aeer aer- aera aerd ajab ajar ajba ajed ajee ajur arab arad arae arar arau arba arbe arda arde ardu area ared aree areu arja arje arju arr- arra arre arrr arru arua arub arud arue auaa aube aude auer auja aur- aura aurd aure baaa baad baar baba babb babe babr babu bada badb badd bade badr badu baed baer baja baju bar- bara barb bard bare barr baru bau- baud baur bbad bbau bbbb bbdd bbeb bd-j bd-r bead bear beau beba bebb bebe beda bede bedu beeb beed beej beer beja bera berd bere berr beru beur brab brad brae braj brau brda brea breb bred bree brer brje brrr brud brue buad buar buba bubb bube bubu buda budb budd bude budu buea buer bueu buja buje buju bur- bura burb burd bure burj burr buru daab daad daae daar daau daba dabb dabu dada dade dadu daeb daer daeu daja daju dara darb dard dare darj darr daru daub daud daue daur dbar dddd ddre ddub dead deae dear deau deba debe debu deda dedd dede dedu deeb deed deer deja deje der- dera derb dere derj derr deua deue deur djau djed djer draa drab drad drar drau drba drda drea dred dree drra drua drub drue druj druu duaa duab duad duar dub- duba dubb dube dubu duda dudd dude dudu duer dura dure duru duur eaba eada eadb eadd eara earb eard eare ebba ebbr ebed eber ebru ebur edad edar edda edde ede- edea eder edra edru edur eede eedu eeea eeee eera ejer erad erau erba erbb erbe erda erde ereb ered erer erja erra erre erua erub erur euba eude euer eur- eura eure jaar jaba jabr jada jade jadu jaer jaja jaju jara jare jarr jaru jaud jaur jbaa jbar jear jebb jebe jeda jeed jeer jeju jera jere jeru jeur jjad jjar jrbr juab juar juba jube jubu juda judd jude juja juju jura jurd jure jurr raab raad raaj raba rabb rabe rabu rada radd rade radr radu raed raer raja raje raju rara rarb rare raua raub raud raue rbbb rbbr rder rea- read reae rear reau reba rebb rebe rebu reda redd rede redr redu reeb reed reja rejd rera rerd rere reru reue reuu rjdj rrad rred rrrr ruad ruba rubb rube rubu ruda rudd rude rued ruer ruja rura rurd rure ruru ruud uaru uaua ubar ubba ubbe uber ubja ubra ubud udaa udad udar udau udea uder udje udra ueba ueda urad urau urba urbe urda urde urdu ure- urea ured urra urre urur uuuu