a-ak a-be a-ii aaaa aaab aaae aaai aaap aaba aabb aabi aabp aaea aaep aaib aaii aaka aake aapa aapi abaa abab abae abai abak abap abb- abba abbb abbe abbi abee abia abib abie abpa abpi abpp aeap aebi aeka aiai aiba aiea aiee aiia aiib aika aike aiki aipa aipe aipi akaa akae akai akap akee akia akie akik akka akki apai apak apap apba apea apep api- apia apie apip apke appa ba-i baaa baak baba babb babe babi baek baia baib baie baik bak- baka bake baki bapa bape bapi bapp bbbb bbeb beak beap beba bebb bebe bebi beeb beek beep beia beik beka beke beki biak biap biba bibb bibe bibi bieb bike bipa bipp bpai bpea eaba eapp ebba eeea eeee eeka eeke eiei eika eike eiki eka- ekab ekeb ekek ekka ekki ekpe epaa epee epi- epia epie epik epip eppa eppp i-be iaaa iaai iaap iaba iaea iaep iaia iapa iapp ibea ibia ibie ieie iepa iiie iiii iipa ikea ikee ikki ipak ipba ipbk ipea ipek ipie ippa kaaa kaab kaai kaak kaap kaba kabb kabe kabi kaei kaep kaia kaib kaie kaii kaik kaip kaka kake kaki kakk kap- kapa kape kapi kapp kbaa kbab kbae kbai kbak kbap kbba kbbb kbbe kbbi kbbk kbeb kbee kbek kbia kbib kbie kbik kbkb kbkk kbpa kbpe kbpi kbpk kea- keak keap keba kebb kebe kebi keek keep keib keii keik keka kekb keke keki kep- kepa kepe kepi kiab kiai kiap kiba kibb kibe kibi kiia kiii kiik kiip kika kiki kikk kip- kipa kipe kipi kipp kkaa kkai kkap kkba kkbb kkbe kkbi kkea kkia kkik kkkk kkpk kpae kpak kpba kpbb kpbe kpbi kpek kpia kpke kpkk kppk kppp paak paap paba paea paep paia paib paie paik paip paka pake paki papa papb pape papi papp pbpa pbpk peab peai peak peap peba peek peep peia peip peka peke peki pekk pepa pepe pepi piai pibb pibi piea piep piia piip pika pike piki pikk pipa pipe pipi pipp pkia pkib ppap ppib ppie pppa pppp