a-be a-ii a-ya aaaa aaab aaae aaai aaap aaba aabb aabi aabp aaby aaea aaep aaib aaii aapa aapi abaa abab abae abai abaj abap abay abb- abba abbb abbe abbi abby abee abey abia abib abie abiy abpa abpi abpp abye abyy aeap aebi aeby aiai aiba aiea aiee aiia aiib aija aipa aipe aipi aipy aiye ajab ajay ajba ajee ajep ajpa apai apap apay apba apea apep api- apia apie apip appa appy ayay ayie ayya ba-i baaa baba babb babe babi baby baia baib baie baja baji bapa bape bapi bapp baya baye bayi bbay bbbb bbeb beap beay beba bebb bebe bebi beby beeb beej beep beey beia beij beja beya beye beyi biaj biap biba bibb bibe bibi bieb bija biji bipa bipp biya bpai bpay bpea eaba eapp ebay ebba ebby ebya eeby eeea eeee eiei eija eiji ejay ejby ejji epaa epee epi- epia epie epip eppa eppp eppy eyeb eyey eype i-be i-by iaaa iaai iaap iaba iaea iaep iaia iapa iapp ibea ibia ibie ibyi ieie iepa ieya iiie iiii iipa ijji ipba ipea ipie ippa ippy iyai jaap jaba jabi jaip jaja jaji japa jape japi japp jaya jaye jbaa jebb jebe jeep jeya jibb jibe jibi jije jiji jipe jiye jjap jpay jpip jybe paap paba paea paep paia paib paie paip paja paje papa papb pape papi papp papy pay- paya payb paye payp pbpa peab peai peap peay peba peep peia peip peja peje pepa pepe pepi piai pibb pibi piea piep piia piip pipa pipe pipi pipp pipy piya piye ppap ppib ppie pppa pppp ppye pyay pyep pype pypy yaba yaje yapa yape yapp yaya yeap yeep yeie yeii yeji yepe yepp yeye yeyi yiji yipe yyyy