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a-be a-fu a-ii aaaa aaab aaae aaaf aaai aaap aaba aabb aabi aabp aabt aaea aaep aafa aafb aaff aafi aaib aaii aapa aapi aapt aata aatf aatt aaup abaa abab abae abaf abai abap abat abau abb- abba abbb abbe abbi abbt abee abet abff abia abib abie abit abiu abpa abpi abpp abta abtu abua abue abuf abut aeaf aeap aebi aeit aeta aetf aett afaa afap afat afee afet affa affi afft afia afib afif afit afpa afpe afta afte aftp afua afue aiai aiba aiea aiee aiet aiff aiia aiib aipa aipe aipf aipi aita aite aitf aiti aitt aitu aiui apai apap apat apba apea apep apet apeu apfa apft api- apia apie apip apit appa appt appu apta apte apti aptt apua apup at-t ataa atab atae atai atap atat atea atee atef atei atep atfb atfe atia atie atif atip atit atiu atta atte atti attp attu atua atub auaa aube aufe aufi aut- aute ba-i baaa baaf baat baba babb babe babi babu baff baft baia baib baie bait bapa bape bapi bapp bapt bapu bata bate batf bati batt batu bau- bauf bbau bbbb bbeb bbet beaf beap beat beau beba bebb bebe bebi beeb beef beep beet befa befe beff beft beia beit beta bete beti bett betu bfpp bfta bftt biaf biap biat biba bibb bibe bibi bieb bief biet bieu bifa biff bifi bipa bipp bipu bita bite bitt bitu bpai bpea bptf bpti btaa btaf btbp btie bttb buat buba bubb bube bubi bubu buea bueu bufe buff buie buif buit buiu bupa but- buta bute buti butt eaaf eaba eafb eaif eaiu eapp eata eate eati ebba ebit eeea eeee eefa eefe eeta eete eetu efab efet effa effi efit efpa eft- efta eftp eftu efua eiei eita eitb eiti epaa epee epfa epi- epia epie epip epit eppa eppp epta epte epub etai etap etat etee etfa etfb etfe etta ette etti ettu etua etui euba eubi eufi faaa faap faba fabe fabi fabu faeb fafa fafe faff fafi faie fait fapa fape fapp fata fate fatf fati fatt faue faut feaf feap feat feba feeb feet fefe feff fefi feia feie feit fepa feta fete feti fetp fett fetu ffee ffff ffii fftf fiaa fiaf fiap fiat fiba fibe fibp fief fifa fife fiff fifi fift fiii fipa fipp fita fite fiti fitt fiua fpaa ftea ftii ftpe ftub fuat fubb fubu fuet fuff fufu fuit futa fute futi futu i-be iaaa iaai iaap iaat iaba iaea iaep iafe iaff iafp iaia iapa iapf iapp iapt iapu iata iate iati ibat ibea ibet ibfi ibia ibie ibtb ieat ieet ieie iepa ieta ietf iett ifaa ifae ifat ifbb ifit ifpa ifta iifa iiie iiii iiit iipa iipf iita iitt ipaf ipat ipba ipea ipet ipie ippa ippf ipta iput itaa itaf itai