a-ya aaaa aaac aaap aaca aacc aacp aact aacy aapa aapc aapt aata aatc aatt ac-t acaa acac acap acat acca accc accp acct accy acpa acpt acta actc actt apac apap apat apay apca apcc appa appc appt appy apta aptc aptt at-t ataa atac atap atat atay atca atcc atta attp atty atya ayat ayay ayca aypt ayta ayya caaa caac caap caat cac- caca cacc capa capc capp capt capy cat- cata catc catt caty ccaa ccac ccap ccat ccca cccc cccp ccpa ccpp cctc cctt cpaa cpac cpap cpca cppa cptp ctca ctcp ctpp ctta cya- cyaa cyc- cyca cycc cypa cypc cyt- cyta cyy- cyyc paap paat paca pact pacy papa papp papy pata patt paty pay- paya payp payt pcaa pcap pcca pccc pcpp ppac ppap ppcc pppa pppp ppta pptt ptca ptcc pttc pyat pyay pypy pytt taa- taat taca tacc tact tacy tapa tapp tapt tata tatt taty taya tayt tayy tcap tcca tccc tcpa tcpy tctc tpac tpap tpcp tppa tppp tptp ttcp tttt typ- typp typy tyta tytt tyty yacc yacp yacy yapa yapp yata yaya ycat yccc yctc ypcc ytay yyyy