a-ak a-be a-ii aaaa aaab aaae aaai aaap aaar aaba aabb aabi aabp aaea aaep aaib aaii aaka aake aapa aapi aara aare aari aarp abaa abab abae abai abak abap abar abb- abba abbb abbe abbi abbr abee aber abia abib abie abir abpa abpi abpp abpr abra abri aeap aebi aeer aeka aer- aera aeri aiai aiba aiea aiee aiia aiib aiir aika aike aiki aipa aipe aipi aira aire airi airp akaa akae akai akap akar akee aker akia akie akik akir akka akki akr- akra akre apai apak apap apar apba apbr apea apep aper api- apia apie apip apke appa appr apra apre apri arab arae arai arak arap arar arba arbe arbi area aree arei arek arep aria arib arie arii arik arip arka arke arki arpa arpe arpi arr- arra arre arri arrk arrr ba-i baaa baak baar baba babb babe babi babr baek baer baia baib baie baik bair bak- baka bake baki bakr bapa bape bapi bapp bar- bara barb bare bari bark barr bbbb bbeb bbpr beak beap bear beba bebb bebe bebi beeb beek beep beer beia beik beir beka beke beki bera bere beri berk berr biak biap biar biba bibb bibe bibi bieb bier bike bipa bipp bira birb bire biri birk birr bkpr bpai bpea brab brae brai brak brea breb bree brei brek brep brer bria brie brik brka brkb brrr eaba eapp eara earb eare earp ebba ebbr eber eeea eeee eeka eeke eera eiei eier eika eike eiki eipr eira eire eka- ekab ekeb ekek eker ekka ekki ekpe epaa epee eper epi- epia epie epik epip eppa eppp epra eprb eprp erap erba erbb erbe ereb erei erer eria erie erik erke erki erpa erpe erra erre i-be iaaa iaai iaap iaba iaea iaep iaia iapa iapp iara iare ibar ibea ibia ibie ibra ibri ieie iepa iera iere ieri iiie iiii iipa iira ikar ikea ikee iker ikki ikra ikri ipak ipba ipbk ipea ipek iper ipie ippa ippr ipri irae irai irak irap irar irbe irbp iree irer iri- iria irie irip irka irki irpa irpe irra irre irri kaaa kaab kaai kaak kaap kaar kaba kabb kabe kabi kabr kaei kaep kaer kaia kaib kaie kaii kaik kaip kair kaka kake kaki kakk kap- kapa kape kapi kapp kara karb kare kari kark karp karr kbaa kbab kbae kbai kbak kbap kbar kbba kbbb kbbe kbbi kbbk kbbr kbeb kbee kbek kber kbia kbib kbie kbik kbkb kbkk kbkr kbpa kbpe kbpi kbpk kbpr kbra kbrb kbre kbri kbrk kea- keak keap kear keba kebb kebe kebi kebr keek keep keer keib keii keik keir keka kekb keke keki kep- kepa kepe kepi ker- kera kerb kere keri kerk kerp kerr kiab kiai kiap kiar kiba kibb kibe kibi kibr kier kiia kiii kiik kiip kika kiki kikk kikr kip- kipa kipe kipi kipp kipr kira kirb kiri kirk kirp kirr kkaa kkai kkap kkar kkba kkbb kkbe kkbi kkbr kkea kkia kkik kkkk kkpk kkrb kkre kkrk kkrr kpae kpak kpar kpba kpbb kpbe kpbi kpbr kpek kper kpia kpir kpke kpkk kpkr kppk kppp kppr kprb kpre kpri kprk kprp kprr krab krae krai krak krap krar krba krbb krbe krbi krbk krbr krea kreb kree krei krek kria krib krik krka krke krki krkk krkr krpa krpi krpr krrb krre krri krrk krrr paak paap paar paba paea paep paer paia paib paie paik paip pair paka pake paki papa papb pape papi papp papr par- para pare pari park parp parr pbar pbpa pbpk peab peai peak peap pear peba peek peep peer peia peip peir peka peke peki pekk pepa pepe pepi per- pera pere peri perk perp perr piai pibb pibi piea piep pier piia piip pika pike piki pikk pipa pipe pipi pipp pira pire piri pirk pirr pkia pkib ppap ppar pper ppib ppie pppa pppp prae prai prar pre- preb pree prek prep pri- pria prie prii prri raab raak raba rabb rabe rabi rabk raep raer raia raie raii raik raip rair raka rake raki rakk rapa rape rapi rapp rara rarb rare rari rark rbbb rbbr rea- reae reak reap rear reba rebb rebe rebk reeb reek reep reia reii reik reir reka reke reki repe repi repp repr rera rere reri riaa riab riai riak rib- riba ribe riek riep rier riia rika rike riki rikk ripa ripe ripi ripp ripr rire riri rpii rrrr