a-ak a-be aaaa aaab aaad aaae aaar aaba aabb aabd aada aade aadu aaea aaka aake aaku aara aard aare aaru abaa abab abad abae abak abar abau abb- abba abbb abbe abbr abda abdu abed abee aber abra abua abud abue abuk adaa adab adad adae adak adar adba adda addd adde addr addu adea adeb adee ader adra adre adua adub adue aduk adur aede aeer aeka aer- aera aerd akaa akae akar aked akee aker akeu akka akku akr- akra akre akua arab arad arae arak arar arau arba arbe arda arde ardu area ared aree arek areu arka arke arr- arra arre arrk arrr arru arua arub arud arue auaa aube aude auer auke aur- aura aurd aure baaa baad baak baar baba babb babe babr babu bada badb badd bade badr badu baed baek baer bak- baka bake bakr baku bar- bara barb bard bare bark barr baru bau- baud bauk baur bbad bbau bbbb bbdd bbeb bd-r bead beak bear beau beba bebb bebe beda bede bedu beeb beed beek beer beka beke bera berd bere berk berr beru beuk beur brab brad brae brak brau brda brea breb bred bree brek brer brka brkb brrr brud brue buad buar buba bubb bube bubu buda budb budd bude budu buea buer bueu buka buke bukk buku bur- bura burb burd bure burk burr buru daab daad daae daar daau daba dabb dabu dada dade dadu daeb daer daeu daka dake daku dara darb dard dare dark darr daru daub daud daue dauk daur dbar dddd ddre ddub dead deae deak dear deau deba debe debu deda dedd dede dedu deeb deed deek deer dek- deka deke der- dera derb dere derk derr deua deue deuk deur dkba draa drab drad drak drar drau drba drda drea dred dree drek drra drua drub drue druk druu duaa duab duad duar dub- duba dubb dube dubu duda dudd dude dudu duer duka duke duku dura dure durk 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 eeka eeke eera eka- ekab ekeb eked ekek eker ekka ekur erad erau erba erbb erbe erda erde ereb ered erer erke erra erre erua erub erur euba eude euer eur- eura eure kaaa kaab kaak kaar kaba kabb kabd kabe kabr kabu kad- kada kadd kade kadr kadu kaer kaka kake kakk kaku kara karb kard kare kark karr karu kau- kaub kaud kaue kauk kaur kbaa kbab kbad kbae kbak kbar kbba kbbb kbbd kbbe kbbk kbbr kbbu kbdb kbde kbdr kbeb kbed kbee kbek kber kbkb kbkk kbkr kbra kbrb kbrd kbre kbrk kbru kbua kbub kbud kbue kbuk kbur kbuu kdaa kdab kdad kdae kdak kdar kdbb kdbr kddb kddd kddk kddr kdeb kdka kdkb kdkd kdkk kdkr kdrb kdub kdur kea- kead keak kear keau keba kebb kebe kebr kebu keda kedb kedd kede kedr keed keek keer keka kekb keke keku ker- kera kerb kere kerk kerr keru keur kkaa kkar kkba kkbb kkbd kkbe kkbr kkda kkdd kkea kked kkkk kkrb kkre kkrk kkrr kkua kkuu krab krad krae krak krar krba krbb krbd krbe krbk krbr krda krdd krde krdr krdu krea kreb kred kree krek kreu krka krkd krke krkk krkr krku krrb krre krrk krrr krua krue kruk krur kuar kuau kuba kubb kubd kube kubr kubu kuda kudd kude kudu kued kuek kueu kuka kuke kukk kuku kura kurb kurd kure kurk kurr kuru kuub kuuk kuur kuuu raab raad raak raba rabb rabe rabk rabu rada radd rade radr radu raed raer raka rake rakk raku rara rarb rare rark raua raub raud raue rauk rbbb rbbr rder rea- read reae reak rear reau reba rebb rebe rebk rebu reda redd rede redr redu reeb reed reek reka reke rera rerd rere reru reue reuk reuu rrad rred rrrr ruad ruba rubb rube rubu ruda rudd rude rued ruer ruka ruke rukk ruku rura rurd rure ruru ruud uaru uaua ubar ubba ubbe ubek uber ubra ubud udaa udad udar udau udea uder udra uduk ueba ueda ukba ukek ukeu ukra ukur urad urau urba urbe urda urde urdu ure- urea ured urka urke urra urre uruk urur uuuu