a-be a-ii aaaa aaab aaae aaai aaar aaba aabb aabi aaea aaib aaii aara aare aari aaru abaa abab abae abai abar abau abax 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 aira aire airi airx aiui aixa aixi arab arae arai arar arau arax arba arbe arbi area aree arei areu arex aria arib arie arii arr- arra arre arri arrr arru arua arub arue arui auaa aube auer aur- aura aure auri auxa axar axer axi- axia axie ba-i ba-x baaa baar baba babb babe babi babr babu baer baia baib baie bair baix bar- bara barb bare bari barr baru barx bau- baur baux baxi bbau bbbb bbeb bear beau beba bebb bebe bebi beeb beer beia beir bera bere beri berr beru beur beux biar biba bibb bibe bibi bieb bier bieu bira birb bire biri birr biru birx bixa bixi brab brae brai brau brax brea breb bree brei brer brex bria brie brix brrr brue brux buar buba bubb bube bubi bubu buea buer bueu buie buir buiu buix bur- bura burb bure buri burr buru buxa eaba eaiu eara earb eare eaux ebba ebbr eber ebix ebru ebur eeea eeee eera eiei eier eira eire er-x erau erba erbb erbe ereb erei erer eria erie eriu erra erre erua erub erur euba eubi euer eur- eura eure exa- exai exer exrx i-be iaaa iaai iaba iaea iaia iara iare iaru ibar ibea ibex ibia ibie ibra ibri ieie iera iere ieri iiie iiii iira irae irai irar irbe iree irer irex iri- iria irie irix irra irre irri iuiu iura ixia ixxi raab raba rabb rabe rabi rabu raer raia raie raii rair raiu raix rara rarb rare rari raua raub raue raxa raxi rbbb rbbr rea- reae rear reau reba rebb rebe rebu reeb reia reii reir reiu rera rere reri reru reue reuu reux rexx riaa riab riai riau rib- riba ribe ribu rier rieu riex riia rire riri riue rixe rrrr ruba rubb rube rubi rubu ruer rura rure ruri ruru u-ie uair uaru uaua ubar ubba ubbe ubbi uber ubii ubir ubra ueba ueir uira uirr urai urau urba urbe urbi ure- urea urex uria urib urie uriu urix urra urre urri urur uuri uuuu uxia uxue xaar xara xare xaui xbai xbar xbee xbra xeer xer- xera xexe xibe xibu xiii xixi xura xuri xuxa xuxu xxii xxix xxxi xxxx