a-ya aaaa aaab aaac aaap aaar aaba aabb aabc aabp aaby aaca aacb aacc aacp aacr aacy aapa aapc aara aarc aarp abaa abab abac abap abar abay abb- abba abbb abbr abby abca abcb abcc abcp abcr abpa abpc abpp abpr abra abrc abry abyc abyy acaa acab acac acap acar acba acca accc accp accy acpa acpr acr- acra acrc acrr acry apac apap apar apay apba apbr apca apcb apcc apcr appa appc appr appy apra aprc arab arac arap arar aray arba arby arc- arca arpa arpy arr- arra arrc arrr arry ary- arya ayar ayay ayca ayra ayry ayya baaa baar baba babb babr baby bac- baca bacc bapa bapc bapp bar- bara barb barc barr bary baya bbay bbbb bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bcpp bcra bpay bpcp bprc brab brac bray brca brcb brrr bry- brya byar caaa caab caac caap caba caby cac- caca cacc cacr capa capb capc capp capy cara carb carc carp carr cary cayr cbac cbar cbbc cbca cbcc cbcp cbcr cbpc cbpp cbry ccaa ccab ccac ccap ccar ccba ccbc ccca cccb cccc cccp ccpa ccpp ccpr ccra ccrc ccrp cpaa cpac cpap cpbc cpca cppa crab crac crap crar cray crbc crca crcc crcr crpc cry- crya cryb cya- cyaa cyar cyba cybb cybc cyc- cyca cycb cycc cypa cypc cyra cyy- cyyc paap paar paba paca pacy papa papb papp papr papy par- para parc parp parr pary pay- paya payb payp payr pbac pbar pbcc pbpa pcaa pcap pcba pcbc pcca pccc pcpb pcpp pcra pcrc ppac ppap ppar ppcc pppa pppp pprc prar pray prbc prca prcc prcp pyay pypy pyr- pyra pyry raab raba rabb raby rac- raca racc racy rapa rapc rapp rapy rara rarb rary raya rayr rbbb rbbr rcac rcbc rccb rccc rcyc rpca rpyc rrrr ryba rybp yaar yaba yacc yacp yacy yapa yapp yara yarb yarp yarr yary yaya ybry ycab yccc ypcc yyyy