a-ii aaaa aaae aaai aaap aaea aaep aaii aapa aapi aapt aata aatt aeap aeit aeta aett aetx aiai aiea aiee aiet aiia aipa aipe aipi aita aite aiti aitt aixa aixi apai apap apat apax apea apep apet apex api- apia apie apip apit apix appa appt appx apta apte apti aptt aptx at-t at-x ataa atae atai atap atat atax atea atee atei atep atex atia atie atip atit atta atte atti attp axat axi- axia axie eapp eata eate eati eeea eeee eeta eete eext eiei eita eiti epaa epee epi- epia epie epip epit epix eppa eppp epta epte epxp etai etap etat etee etix etta ette etti exa- exai exit expt exta exte iaaa iaai iaap iaat iaea iaep iaia iapa iapp iapt iapx iata iate iati ieat ieet ieie iepa ieta iett iiie iiii iiit iipa iita iitt ipat ipea ipet ipex ipie ipix ippa ipta ipxe itaa itai itap itat itea itep itet itex itia itie itpa itta ixia ixxi paap paat paea paep paia paie paip pait paix papa pape papi papp pata pate pati patt paxi peai peap peat peax peep peet peia peip peit pepa pepe pepi peta pete peti pett piai piat piea piep piet piia piip pipa pipe pipi pipp pita pite piti pitt pitx pixx ppap ppie pppa pppp ppta pptt taa- taat taia taip tait taix tapa tape tapi tapp tapt tata tate tati tatt tax- taxa taxe taxi taxt teat teet teia teie teip tepa tepe tepi tepp teta tete teti tett tetx texa text tiaa tiax tie- tiea tiee tiei tiep tiet tiit tip- tipa tipe tipi tipp tipt tita tite titi titp titt tixt tpap tpia tppa tppp tpte tptp tttt txaa txii xait xapi xate xexe xiap xiii xipe xita xixi xpax xtea xtep xtie xxii xxix xxxi xxxx