a-ak a-be aaaa aaab aaae aaar aaba aabb aabt aaea aaka aake aaku aara aare aart aaru aata aatk aatt abaa abab abae abak abar abat abau abb- abba abbb abbe abbr abbt abee aber abet abra abta abtu abua abue abuk abut aeer aeka aer- aera aeta aetr aett akaa akae akar akee aker akeu akka akku akr- akra akre akte akua arab arae arak arar arat arau arba arbe area aree arek aret areu arka arke arr- arra arre arrk arrr arrt arru arta arte artr arua arub arue arut at-t ataa atab atae atak atar atat atea atee ater atka atkt atra atre atrk atru atta atte attr attu atua atub atuk atur auaa aube auer auke aur- aura aure aut- aute baaa baak baar baat baba babb babe babr babu baek baer bak- baka bake bakr bakt baku bar- bara barb bare bark barr bart baru bata bate batt batu bau- bauk baur bbau bbbb bbeb bbet beak bear beat beau beba bebb bebe beeb beek beer beet beka beke bera bere berk berr bert beru beta bete bett betu beuk beur brab brae brak brat brau brea breb bree brek brer bret brka brkb brrr brue brut btaa btek btrt bttb buar buat buba bubb bube bubu buea buer bueu buka buke bukk buku bur- bura burb bure burk burr burt buru but- buta bute butt eaba eara earb eare eart eata eate ebba ebbr eber ebru ebur eeea eeee eeka eeke eera eeta eete eetu eka- ekab ekeb ekek eker eket ekka ekta ekur erat erau erba erbb erbe ereb erer eret erke erra erre erta ertu erua erub erur etak etat etbr etee eter etka etra etre etta ette ettu etua euba euer eur- eura eure eurt kaaa kaab kaak kaar kaat kaba kabb kabe kabr kabu kaer kaet kaka kake kakk kakt kaku kara karb kare kark karr kart karu kat- kata katb kate katk katr katt katu kau- kaub kaue kauk kaur kbaa kbab kbae kbak kbar kbat kbba kbbb kbbe kbbk kbbr kbbt kbbu kbeb kbee kbek kber kbet kbkb kbkk kbkr kbra kbrb kbre kbrk kbrt kbru kbta kbtb kbte kbtk kbtr kbtt kbua kbub kbue kbuk kbur kbut kbuu kea- keak kear keat keau keba kebb kebe kebr kebt kebu keek keer keet keka kekb keke keku ker- kera kerb kere kerk kerr kert keru ket- keta kete ketk ketr kett ketu keur kkaa kkar kkat kkba kkbb kkbe kkbr kkbt kkea kkkk kkrb kkre kkrk kkrr kkrt kktk kktu kkua kkut kkuu krab krae krak krar krat krba krbb krbe krbk krbr krbt krea kreb kree krek kret kreu krka krke krkk krkr krku krrb krre krrk krrr krrt krta krtk krtr krua krue kruk krur ktaa ktae ktak ktar ktat ktba ktbb ktbr ktbt ktbu ktea ktee ktek ktkb ktke ktkk ktkr ktkt ktku ktrb ktre ktrk ktrr ktrt ktru kttk kttr kttt kttu ktub kuar kuat kuau kuba kubb kube kubr kubu kuek kueu kuka kuke kukk kuku kura kurb kure kurk kurr kurt kuru kuta kute kutr kutt kutu kuub kuuk kuur kuuu raab raak raat raba rabb rabe rabk rabu raer raka rake rakk rakt raku rara rarb rare rark rata rate ratk ratt ratu raua raub raue rauk raut rbbb rbbr rea- reae reak rear reat reau reba rebb rebe rebk rebu reeb reek reet reka reke rekt rera rere rert reru reta rete retr rett reue reuk reut reuu rrat rrrr rtee ruba rubb rube rubu ruer ruet ruka ruke rukk ruku rura rure ruru ruta rute rutt rutu taa- taar taat taba tabb tabe tabu taer taka take takk takt taku tara tarb tare tark tarr tart taru tata tatb tate tatr tatt tatu taua taub taue tauk taur taut tbar tbrb tbta teak tear teat teba tebu teek teer teet teka teke ter- tera tere terk terr teru teta tete tetr tett tetu teuk teut traa trab trae trak trat trau tre- trea tree trek tret treu trra trte trtr trub true truk trut truu ttab ttbb tter tttt tuae tuak tuar tuat tuba tubb tube tubr tubu tuer tuet tuka tuke tura turb ture turk turr turt turu tuta tute tutt tutu uart uaru uata uatu uaua ubar ubba ubbe ubek uber ubet ubra ueba ukba ukek ukeu ukra ukta ukur urat urau urba urbe ure- urea uret urka urke urra urre urte uruk urur urut utau uter uttu uuta uuuu