a-ak a-be a-ii a-ok aaaa aaab aaae aaai aaar aaba aabb aabi aaea aaib aaii aaka aake aaoe aaoo aara aare aari aaro abaa abab abae abai abak abar abb- abba abbb abbe abbi abbo abbr abee aber abia abib abie abir aboa abob abok aboo abor abra abri abro aebi aeer aeio aeka aer- aera aeri aero aiai aiba aibo aiea aiee aiia aiib aiir aika aike aiki aiko aioi aira aire airi airo akaa akae akai akao akar akee aker akia akie akik akio akir akka akki akko akok akr- akra akre aoba aoki aora aorb arab arae arai arak arar arba arbe arbi area aree arei arek areo aria arib arie arii arik ario arka arke arki arko aroa arob aroe aroi aroo aror arr- arra arre arri arrk arro arrr ba-i baaa baak baar baba babb babe babi babo babr baek baer baia baib baie baik baio bair bak- baka bake baki bako bakr bar- bara barb bare bari bark baro barr bbbb bbeb beak bear beba bebb bebe bebi bebo beeb beek beer beia beik beir beka beke beki beko beo- beok beor bera bere beri berk bero berr biak biao biar biba bibb bibe bibi bibo bieb bier bike biko bio- bioi bira birb bire biri birk biro birr boab boai boak boar boba bobb bobe bobi bobo boea boee boeo boer boi- boie boii boka boke boki boko boob booe book boor bor- bora bore bori bork boro borr brab brae brai brak brao brea breb bree brei brek breo brer bria brie brik brio brka brkb broa brob broe brok broo bror brrr eaba eara earb eare earo ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eeka eeke eera eero eiao eiei eier eika eike eiki eiko eira eire eka- ekab ekeb ekek eker ekka ekki ekoa ekoi eoir eoka eora eore eori erba erbb erbe ereb erei erer eria erie erik erio erke erki erob eroe eroi eroo erra erre erro i-be iaaa iaai iaba iaea iaia iara iare ibar ibea ibia ibie ibra ibri ibro ieie ieio iera iere ieri iiie iiii iiio iioi iioo iira ikar ikea ikee iker ikki ikko ikoo ikra ikri ioba iobi ioee ioii ioio ioke ioko iooi iooo iora iore iori irae irai irak irao irar irbe iree irer iri- iria irie irio irka irki irob irra irre irri kaaa kaab kaai kaak kaar kaba kabb kabe kabi kabo kabr kaei kaeo kaer kaia kaib kaie kaii kaik kaio kair kaka kake kaki kakk kako kaoa kaoi kaok kaor kara karb kare kari kark karo karr kbaa kbab kbae kbai kbak kbar kbba kbbb kbbe kbbi kbbk kbbo kbbr kbeb kbee kbek kbeo kber kbia kbib kbie kbik kbio kbkb kbkk kbko kbkr kboa kbob kboe kboi kbok kboo kbra kbrb kbre kbri kbrk kbro kea- keak kear keba kebb kebe kebi kebr keek keer keib keii keik keio keir keka kekb keke keki keko keok ker- kera kerb kere keri kerk kero kerr kiab kiai kiar kiba kibb kibe kibi kibo kibr kier kiia kiii kiik kika kiki kikk kiko kikr kioa kioe kioi kiok kioo kira kirb kiri kirk kiro kirr kkaa kkai kkar kkba kkbb kkbe kkbi kkbo kkbr kkea kkia kkik kkkk kkoa kkob kkoo kkor kkrb kkre kkrk kkro kkrr koab koae koai koak koar koba kobb kobe kobi kobk kobo kobr koea koei koii koir koka kokb koke koki kokk koko kokr koob kooi kook kooo koor kora korb kore kori kork koro korr krab krae krai krak krar krba krbb krbe krbi krbk krbr krea kreb kree krei krek kreo kria krib krik krio krka krke krki krkk krko krkr kroa krob kroe kroi krok kroo kror krrb krre krri krrk krro krrr o-eo oaer oake oara oare obai obak obba obbo obea ober obia obie obkb oboe oboi obok obor obra obre obri obro oera oere oiba oier oiii oike oiko oira oire okak oker okia okie okir okka okko okok okor okra okre okro ooaa ooak ooba oobe oobi ooer ooia oooo oora oore orab orae orai orak orao orar orba orbb orbe orbi orbo ore- orea oreb orek oreo orer ori- oria orie orio orka orke orko oro- oroe orok oror orra orri orro raab raak raba rabb rabe rabi rabk rabo raer raia raie raii raik rair raka rake raki rakk raob raok rara rarb rare rari rark raro rbbb rbbr rea- reae reak reao rear reba rebb rebe rebk rebo reeb reek reia reii reik reir reka reke reki reko rera rere reri rero riaa riab riai riak rib- riba ribe ribo riek rier riia rika rike riki rikk rire riri roab roak roar rob- roba robb robe robi robo roea roer roia roik roio roir roka roke roki rokk roko rokr roob rooi rook roor rora rore rori rork roro rrrr