a-be a-ii aaaa aaab aaae aaai aaar aaba aabb aabi aaea aaib aaii aara aare aari aaru abaa abab abae abai abaj abar abau abb- abba abbb abbe abbi abbr abee aber abia abib abie abir abiu abra abri abua abue aebi aeer aer- aera aeri aiai aiba aiea aiee aiia aiib aiir aija aira aire airi aiui ajab ajar ajba ajee ajri ajur arab arae arai arar arau arba arbe arbi area aree arei areu aria arib arie arii arij arja arje arju arr- arra arre arri arrr arru arua arub arue arui auaa aube auer auja aur- aura aure auri ba-i baaa baar baba babb babe babi babr babu baer baia baib baie bair baja baji baju bar- bara barb bare bari barr baru bau- baur bbau bbbb bbeb bear beau beba bebb bebe bebi beeb beej beer beia beij beir beja bera bere beri berr beru beur biaj biar biba bibb bibe bibi bieb bier bieu bija biji biju bira birb bire biri birr biru brab brae brai braj brau brea breb bree brei brer bria brie brje brrr brue buar buba bubb bube bubi bubu buea buer bueu buie buir buiu buja buje buji buju bur- bura burb bure buri burj burr buru eaba eaiu eara earb eare ebba ebbr eber ebru ebur eeea eeee eera eiei eier eija eiji eira eire ejer ejji erau erba erbb erbe ereb erei erer eria erie eriu erja erra erre erua erub erur euba eubi euer eur- eura eure i-be iaaa iaai iaba iaea iaia iara iare iaru ibar ibea ibia ibie ibra ibri ieie iera iere ieri iiie iiii iira ijji ijui irae irai iraj irar irbe iree irer iri- iria irie irje irra irre irri iuiu iura jaar jaba jabi jabr jaer jair jaja jaji jaju jara jare jari jarr jaru jaur jbaa jbar jear jebb jebe jeer jeju jera jere jeri jeru jeur jibb jibe jibi jije jiji jiju jira jiri jiru jjar jrbr juab juar juba jube jubu juei juia juja juju jura jure juri jurr raab raaj raba rabb rabe rabi rabu raer raia raie raii rair raiu raja raje raji raju rara rarb rare rari raua raub raue rbbb rbbr rea- reae rear reau reba rebb rebe rebu reeb reia reii reir reiu reja rera rere reri reru reue reuu riaa riab riai riau rib- riba ribe ribu rier rieu riia riji rire riri riue rrrr ruba rubb rube rubi rubu ruer ruja rura rure ruri ruru u-ie uair uaru uaua ubar ubba ubbe ubbi uber ubii ubir ubja ubra ueba ueir uira uirr urai urau urba urbe urbi ure- urea uria urib urie uriu urra urre urri urur uuri uuuu