aaaa aaae aaap aaar aaea aaep aapa aapt aara aare aarp aart aata aatt aeap aeer aer- aera aeta aetr aett apap apar apat apea apep aper apet appa appr appt apra apre aprt apta apte aptt arae arap arar arat area aree arep aret arpa arpe arr- arra arre arrr arrt arta arte artr at-t ataa atae atap atar atat atea atee atep ater atpr atra atre atrp atta atte attp attr eapp eara eare earp eart eata eate eeea eeee eera eeta eete epaa epee eper eppa eppp epra eprp epta epte erap erat erer eret erpa erpe erra erre erta etap etat etee eter etra etre etta ette paap paar paat paea paep paer papa pape papp papr par- para pare parp parr part pata pate patr patt peap pear peat peep peer peet pepa pepe per- pera pere perp perr pert peta pete petr pett ppap ppar pper pppa pppp ppta pptt prae prar prat pre- pree prep pret prtp prtr pter raat raep raer rapa rape rapp rapt rara rare rata rate ratp ratt rea- reae reap rear reat reep reet repe repp repr rept rera rere rert reta rete retr rett rpet rpta rrat rrrr rtee rtpa rttp taa- taar taat taer tapa tape tapp tapr tapt tara tare tarp tarr tart tata tate tatr tatt tear teat teer teet tepa tepe tepp ter- tera tere terp terr teta tete tetr tett tpap tper tppa tppp tppr tpte tptp tptr traa trae trap trat tre- trea tree tret trpa trpe trpp trra trte trtr tter tttt