a-be a-ii aaaa aaab aaae aaai aaap aaba aabb aabi aabp aabt aaea aaep aage aaib aaii aapa aapi aapt aata aatt abaa abab abae abag abai abap abat abb- abba abbb abbe abbi abbt abee abet abia abib abie abig abit abpa abpi abpp abta aeap aebi aega aeit aeta aett agag agai agap agat agba agea agee agei agep aget agga agge aggi agia agib agie agig agii agip agit agta agte aiai aiba aiea aiee aiet aiga aiia aiib aipa aipe aipi aita aite aiti aitt apai apap apat apba apbg apea apeg apep apet apga api- apia apie apig apip apit appa appt apta apte apti aptt at-t ataa atab atae atai atap atat atea atee atei atep atia atie atip atit atta atte atti attp ba-i baaa baat baba babb babe babi baga bage bagg bagi bagt baia baib baie baig bait bapa bape bapi bapp bapt bata bate bati batt bbbb bbeb bbet bbga beag beap beat beba bebb bebe bebi beeb beeg beep beet bega begg begi beia beit beta bete beti bett bgia biap biat biba bibb bibe bibi bieb biet biga bigb bige bigg bigt bipa bipp bita bite bitt bpai bpea bpti btaa btbp btie bttb eaba eaga eage eapp eata eate eati ebba ebit eeea eeee eega eeta eete egaa egae egat egba egbe egea egee eggb egge eggi eggp egpa egpb egpe egpi egta egte eiei eige eigg eita eitb eiti epaa epee epi- epia epie epip epit eppa eppp epta epte etag etai etap etat etee etta ette etti gaap gaba gabb gabe gabi gabp gabt gaea gaga gage gagg gagi gaia gaie gaig gaip gait gapa gape gapi gapp gapt gata gate gati gatt gbag gbap geab geai geat geba gebe gebi geep geet gege gegg geia geie geig geit gepa gepe geta getb gete getg geti gett ggbt gggg giaa giai giap giat giba gibb gibe giet giga gige gigg gigi gipa gipe gipi gipp gita gite gpaa gpgp gpip gtaa gtap gtea gtip gtta i-be iaaa iaai iaap iaat iaba iaea iaep iaia iapa iapp iapt iata iate iati ibat ibea ibeg ibet ibga ibge ibia ibie ibtb ieat ieet ieie iepa ieta iett igba igea iget igga igia igpa iiie iiii iiit iipa iita iitt ipat ipba ipea ipet ipie ippa ipta itaa itai itap itat itbe itea itep itet itia itie itpa itta paag paap paat paba pabt paea paep paga pagb page paia paib paie paig paip pait papa papb pape papg papi papp pata pate pati patt pbpa peab peag peai peap peat peba peep peet pega pegg peia peip peit pepa pepe pepi peta pete peti pett pgaa pgia pgib piai piat pibb pibi piea piep piet piga pigb pigg pigp pigt piia piip pipa pipe pipi pipp pita pite piti pitt ppap ppga ppgi ppib ppie ppig pppa pppp ppta pptt ptab taa- taag taat taba tabb tabe tabi taga tage tagg tagi taia taig taip tait tapa tape tapi tapp tapt tata tatb tate tati tatt tbit tbta tbtp teat teba teet tega tegg tegi tegt teia teie teip tepa tepe tepi tepp teta tete teti tett tiaa tiab tiba tibi tie- tiea tiee tiei tiep tiet tiga tige tigi tiit tip- tipa tipe tipi tipp tipt tita tite titi titp titt tpap tpbg tpeg tpia tppa tppp tpte tptp ttab ttbb tttt