a-a a-b a-c aaa aab aac aag aak aar aas aay ab- aba abb abc abg abk abr abs aby ac- aca acb acc acg ack acr acs acy ag- aga agb agc agg agk agr ags agy aka akb akc akg akk akr aks ar- ara arb arc arg ark arr ars ary as- asa asb asc asg ask asr ass asy ay- aya ayc ayk ayr ays baa bab bac bag bak bar bas bay bba bbb bbc bbg bbk bbr bbs bby bca bcb bcc bcg bck bcr bcs bcy bga bgb bgc bgg bgk bgr bgs bka bkb bkc bkg bkk bkr bks bra brb brg brk brr brs bry bsa bsb bsc bsg bsk bsr bss bsy by- bya byc byg byk byr bys c-- caa cab cac cag cak car cas cay cba cbb cbc cbg cbk cbr cbs cby cca ccb ccc ccg cck ccr ccs cga cgb cgc cgg cgr cgs cgy cka ckb ckc cks cky cra crb crc crg crk crr crs cry csa csb csc csg csk csr css csy cya cyb cyc cyg cyk cyr cys gaa gab gac gag gak gar gas gay gba gbc gbg gbk gbr gbs gby gca gcb gcc gcg gck gcr gcs gga ggb ggc ggg ggr ggs gka gkb gks gra grb grc grg grk grr grs gry gsa gsb gsc gsg gsk gsr gss gy- gya gyb gyr gys ka- kaa kab kac kag kak kar kas kay kba kbb kbc kbk kbr kbs kca kcb kcc kcg kck kcr kcs kga kgb kgc kgs kgy kkb kkc kkk kkr kks kky kra krc krg krk krr krs kry ksa ksb ksc ksg ksk ksr kss kya kyc kyr kys ra- raa rab rac rag rak rar ras ray rba rbb rbc rbg rbk rbr rbs rca rcb rcc rcg rcr rcs rga rgb rgc rgg rgk rgr rgs rkb rkc rkg rkk rks rky rra rrb rrc rrg rrk rrr rrs rsa rsb rsc rsg rsk rsr rss ry- rya ryc ryg ryk ryr rys ryy saa sab sac sag sak sar sas say sba sbb sbc sbg sbk sbr sbs sby sca scb scc scg sck scr scs sga sgb sgc sgg sgk sgr sgs sk- ska skb skc skg skk skr sks sky sr- sra srb src srg srk srr srs sry ss- ssa ssb ssc ssg ssk ssr sss sy- sya syb syc syg syk syr sys yaa yab yac yag yak yar yas yay ybc ybg ybr ybs yby yca ycc ycs ycy yga ygc yka ykk yra yrc yrg yrs ysa ysb ysc ysg ysk ysr yss ysy yyb yyc yyg yys yyy

a-ak a-ya aaaa aaab aaac aaar aaas aaba aabb aabc aaby aaca aacb aacc aack aacr aacs aacy aaka aara aarc aars aasa aasc aass abaa abab abac abag abak abar abas abay abb- abba abbb abbr abbs abby abca abcb abcc abcr abcs abra abrc abrs abry abs- absa abss abyc abys abyy acaa acab acac acag acar acas acba acca accc accs accy acga acgr acgs acks acr- acra acrc acrr acrs acry acsa acsc acss agac agag agar agas agay agba agca agcc agcy agga aggy agra agsa agsg agya akaa akar akas akay akca akka akr- akra aksa akyr arab arac arag arak arar aras aray arba arbs arby arc- arca arcs arga argb args argy arka arks arky arr- arra arrc arrg arrk arrr arrs arry ars- arsa arsc arsk arsy ary- arya aryk arys asaa asab asac asag asak asar asas asay asba asby asc- asca ascb ascc ascr aska askr asks asky asra asrc asrg asrs assa assc assk assr asss assy asya ayar ayas ayay ayca ayra ayrk ayry ayya baaa baak baar baas baba babb babr babs baby bac- baca bacc back bacs baga bagg bags bagy bak- baka bakr baks bar- bara barb barc barg bark barr bars bary basa basc bask bass baya bayg bays bbas bbay bbbb bbbs bbga bbrc bbrg bcaa bcar bcas bcbc bcbg bcbs bcca bccc bccs bcgs bcra bcrs bcsa bcsc bcss bgca bggs bkcy bkry brab brac brag brak bras bray brca brcb brka brkb brrr brrs brsb brsr bry- brya bryk bsaa bsac bsas bscs bsgs bsra bssc byar byas byck bygg byrk bysb byss bysy caaa caab caac caas caba cabg cabs caby cac- caca cacc cack cacr caga cagg cagr cags cagy caka caky cara carb carc cark carr cars cary casa casb casc cask casr cass cayr cays cbac cbar cbbc cbbs cbca cbcc cbcr cbcs cbga cbgb cbka cbkg cbkr cbry cbsa cbsc ccaa ccab ccac ccag ccar ccas ccba ccbc ccca cccb cccc cccs ccga ccgc ccgs ccra ccrc ccrg ccrs ccsa ccsg ccss cgac cgas cgcc cgcg cggs cgsb cgss ckac ckbc ckck ckcs ckcy ckga ckrc ckry cksa cksb crab crac crag crar cras cray crbc crca crcc crcr crgs crkc crsa crss cry- crya cryb crys csaa csab csac csak csar csas cscb cscc cscr cscs cska csks csra csrc csrs cssa cssr csys cya- cyaa cyar cyba cybb cybc cyc- cyca cycb cycc cycs cygb cyra cyrk cyrs cysg cyy- cyyc gaar gaas gaba gabb gabr gabs gaby gack gacy gaga gagg gags gara garb garg garr gars gary gasa gasb gasc gask gasr gass gaya gays gbag gbas gbbs gc-c gcaa gcbc gccc gccs gcrg gcss gggg ggss grab grac gras gray grbr grcc grrr grrs grss gry- grys gsab gskb gyas gyr- gyra gyrs gyss kaaa kaab kaag kaak kaar kaas kaay kaba kabb kabc kabg kabr kaby kacb kacc kacs kacy kag- kaga kagb kagc kagg kagr kags kagy kaka kakc kakk kaks kara karb karg kark karr kars kary kas- kasa kasb kasc kask kasr kass kaya kays kbaa kbab kbac kbak kbar kbas kbay kbba kbbb kbbc kbbg kbbk kbbr kbbs kbca kbcb kbck kbcr kbcs kbcy kbga kbgb kbgg kbgr kbgy kbkb kbkg kbkk kbkr kbky kbra kbrb