aaaa aaaf aaap aaar aafa aaff aapa aapt aara aarp aart aata aatf aatt afaa afap afar afat affa afft afpa afr- afra afta aftp apap apar apat apfa apft appa appr appt apra aprt apta aptt araf arap arar arat arfa arff arft arpa arr- arra arrr arrt arta artr at-t ataa atap atar atat atpr atra atrp atta attp attr faaa faap fafa faff fapa fapp fara farp farr fart fata fatf fatt ffar ffff ffrr fftf fpaa fpra fprf frap frat frta paap paar paat pafa paff papa papp papr par- para parf parp parr part pata patr patt pfaa pfff pffr pfft pfra ppap ppar ppfa pppa pppp pprf ppta pptt prar prat prtp prtr ptaf ptrf raaf raat rafa raff raft rapa rapp rapt rara rarf rata ratf ratp ratt rpta rrat rrrr rtpa rttp taa- taaf taar taat tafa taff taft tapa tapp tapr tapt tara tarf tarp tarr tart tata tatr tatt tfpt tftp tpap tppa tppp tppr tptp tptr traa traf trap trat trfr trpa trpp trra trtr ttfa ttff tttt