a-be aaaa aaab aaae aaal aaar aaba aabb aabl aaea aala aale aall aalu aara aare aaru abaa abab abae abal abar abau abb- abba abbb abbe abbr abee abel aber abla able abra abua abue abul aeer aela aer- aera alaa alae alal alar alau alb- alba albe albu alea alee aler aleu all- alla alle alll allr allu alua alur arab arae aral arar arau arba arbe area aree arel areu arla arle arr- arra arre arrr arru arua arub arue arul auaa aube auel auer aul- aula aule aull aulu aur- aura aure baaa baal baar baba babb babe babr babu bael baer bala bale ball balu bar- bara barb bare barr baru bau- baul baur bbau bbbb bbeb bblb beal bear beau beba bebb bebe beeb beel beer bela bele bell belu bera bere berr beru beur blaa blab blae blau blea bleb blee bleu blub blue blur brab brae brau brea breb bree brel brer brrr brue bual buar buba bubb bube bubu buea buel buer bueu bula bulb bule bull bulu bur- bura burb bure burl burr buru e-la eaba eala eale eara earb eare earl ebal ebba ebbr ebel eber ebla ebru ebul ebur eeea eeee eele eera el-b elab elal elar elba elbe elbu elea elee eler ella elle ellu elra elue elul eral erau erba erbb erbe ereb erel erer erla erle erll erra erre erua erub erur euba euer eula eule eur- eura eure laaa laal laar laba labe labr labu lael laer lala lale lall lalu lara larb lare larr laru laub laue laul laur lbar lblr le-u leaa leal lear leau leba lebu leea leel leer lela lele lell lelu lera lere leur lleu llll lral lrba lrrr luau luba lube luer lula lule lull lulu lura lure luua raab raba rabb rabe rabl rabu rael raer rala ralb rale rall rara rarb rare raua raub raue raul rbbb rbbr rble rea- reae real rear reau reba rebb rebe rebu reeb reel rela relb rele rell rera rere reru reue reul reuu rlab rlee rleu rlua rrle rrrr ruba rubb rube rubu ruel ruer rula rule rull rura rure ruru uaru uaua ubal ubar ubba ubbe uber ubla uble ubra ueba uele uell ulaa ulae ular ulea uleb ulee ulla ulle ullr ulua ulul ural urau urba urbe ure- urea urla urle urra urre urur uulu uuuu