a-be a-ii aaaa aaab aaae aaai aaap aaar aaba aabb aabi aabp aaea aaep aaib aaii aapa aapi aara aare aari aarp aaru aaup abaa abab abae abai abap abar abau abb- abba abbb abbe abbi abbr abee aber abia abib abie abir abiu abpa abpi abpp abpr abra abri abua abue aeap aebi aeer aer- aera aeri aiai aiba aiea aiee aiia aiib aiir aipa aipe aipi aira aire airi airp aiui apai apap apar apba apbr apea apep aper apeu api- apia apie apip appa appr appu apra apre apri apua apup arab arae arai arap arar arau arba arbe arbi area aree arei arep areu aria arib arie arii arip arpa arpe arpi arpu arr- arra arre arri arrr arru arua arub arue arui arup auaa aube auer aur- aura aure auri ba-i baaa baar baba babb babe babi babr babu baer baia baib baie bair bapa bape bapi bapp bapu bar- bara barb bare bari barr baru bau- baur bbau bbbb bbeb bbpr beap bear beau beba bebb bebe bebi beeb beep beer beia beir bera bere beri berr beru beur biap biar biba bibb bibe bibi bieb bier bieu bipa bipp bipu bira birb bire biri birr biru bpai bpea brab brae brai brau brea breb bree brei brep brer bria brie brrr brue brup buar buba bubb bube bubi bubu buea buer bueu buie buir buiu bupa bur- bura burb bure buri burp burr buru eaba eaiu eapp eara earb eare earp ebba ebbr eber ebru ebur eeea eeee eera eiei eier eipr eira eire epaa epee eper epi- epia epie epip eppa eppp epra eprb eprp epub erap erau erba erbb erbe ereb erei erer eria erie eriu erpa erpe erra erre erua erub erur euba eubi euer eur- eura eure i-be iaaa iaai iaap iaba iaea iaep iaia iapa iapp iapu iara iare iaru ibar ibea ibia ibie ibra ibri ieie iepa iera iere ieri iiie iiii iipa iira ipba ipea iper ipie ippa ippr ipri ipur irae irai irap irar irbe irbp iree irer iri- iria irie irip irpa irpe irra irre irri iuiu iupa iupp iura paap paar paba pabu paea paep paer paia paib paie paip pair papa papb pape papi papp papr par- para pare pari parp parr paru paua paup paur pbar pbpa peab peai peap pear peau peba peep peer peia peip peir pepa pepe pepi per- pera pere peri perp perr peru peur piai piau pibb pibi piea piep pier piia piip pipa pipe pipi pipp pira pire piri pirr piru ppap ppar pper ppib ppie pppa pppp ppru ppur prae prai prar prau pre- preb pree prep preu pri- pria prie prii prri prue pruu pu-e puar pube pubu puer pueu puir puiu pupa pupe pupi pupu pur- pura purb pure puri purp purr puru raab raba rabb rabe rabi rabu raep raer raia raie raii raip rair raiu rapa rape rapi rapp rara rarb rare rari raua raub raue raup rbbb rbbr rea- reae reap rear reau reba rebb rebe rebu reeb reep reia reii reir reiu repe repi repp repr repu rera rere reri reru reue reup reuu riaa riab riai riau rib- riba ribe ribu riep rier rieu riia ripa ripe ripi ripp ripr rire riri riue rpii rrrr ruba rubb rube rubi rubp rubu ruer rupa rupe rupp rura rure ruri rurp ruru u-ie u-rp uair uaru uaua ubar ubba ubbe ubbi uber ubii ubir ubra ueba ueir uepi uipi uira uirr upar upbe upie uppa uppe uppp uppu upra upri upup urai urap urau urba urbe urbi ure- urea uria urib urie uriu urra urre urri urup urur uuri uuuu