a-ya aaaa aaac aaar aaca aacc aacr aact aacy aara aarc aart aata aatc aatt ac-t acaa acac acar acat acca accc acct accy acr- acra acrc acrr acry acta actc actt arac arar arat aray arc- arca arct arr- arra arrc arrr arrt arry arta artc artr arty ary- arya at-t ataa atac atar atat atay atca atcc atcr atra atrc atry atta attr atty atya ayar ayat ayay ayca ayra ayry ayta ayya caaa caac caat cac- caca cacc cacr cara carc carr cart cary cat- cata catc catt caty cayr ccaa ccac ccar ccat ccca cccc ccra ccrc ccrt cctc cctt crac crar crat cray crca crcc crcr crrt crtc cry- crya ctca ctrc ctta cya- cyaa cyar cyc- cyca cycc cyra cyrt cyt- cyta cyy- cyyc raat rac- raca racc ract racy rara rary rata ratt raty raya rayr rayt rcac rccc rctc rcyc rrat rrrr rtca rtcc ryat rytt ryyt taa- taar taat taca tacc tact tacy tara tarc tarr tart tary tata tatr tatt taty taya tayt tayy tcca tccc tctc traa trac trat tray trca trcc trra trtc trtr try- trya tttt tyar tyr- tyra tyrr tyta tytt tyty yaar yacc yacy yara yarr yart yary yata yaya ycat yccc yctc ytay yyyy