-ey a-a a-b a-c aaa aab aac aae aaf aas aay ab- aba abb abc abe abf abs aby ac- aca acb acc ace acf acs acy aea aeb aec aee aef aes aey af- afa afb afc afe aff afs afy as- asa asb asc ase asf ass asy ay- aya ayc aye ayf ays baa bab bac bae baf bas bay bba bbb bbc bbe bbf bbs bby bca bcb bcc bce bcf bcs bcy be- bea beb bec bee bef bes bey bfa bfb bfc bfe bff bfs bfy bsa bsb bsc bse bsf bss bsy by- bya byc bye byf bys c-- caa cab cac cae caf cas cay cba cbb cbc cbe cbf cbs cby cca ccb ccc cce ccf ccs ce- cea ceb cec cee cef ces cey cfa cfb cfc cfe cff cfs csa csb csc cse csf css csy cya cyb cyc cye cyf cys eaa eab eac eae eaf eas eba ebb ebc ebe ebf ebs eby ec- eca ecb ecc ece ecf ecs eea eeb eec eee eef ees eey ef- efa efb efc efe eff efs es- esa esb esc ese esf ess esy eya eyc eye eys faa fab fac fae faf fas fay fba fbb fbc fbe fbf fbs fca fcb fcc fce fcf fcs fcy fea feb fec fee fef fes fey ffa ffc ffe fff ffs ffy fsa fsb fsc fse fsf fss fy- fya fyb fyc fye saa sab sac sae saf sas say sba sbb sbc sbe sbf sbs sby sca scb scc sce scf scs se- sea seb sec see sef ses sey sfa sfb sfc sfe sff sfs ss- ssa ssb ssc sse ssf sss sy- sya syb syc sye sys yaa yab yac yae yaf yas yay ybc ybe ybf ybs yby yca ycc yce ycf ycs ycy yea yeb yec yee yef yes yey yfa yfc yfe yff yfs ysa ysb ysc yse yss ysy yyb yyc yye yyf yys yyy

-ase a-be a-ya aaaa aaab aaac aaae aaaf aaas aaba aabb aabc aaby aaca aacb aacc aace aacf aacs aacy aaea aaec aaes aafa aafb aafc aaff aasa aasc aase aasf aass abaa abab abac abae abaf abas abay abb- abba abbb abbe abbs abby abca abcb abcc abcf abcs abec abee abes abey abff abs- absa abse absf abss abyc abye abys abyy acaa acab acac acae acas acba acca accc acce accf accs accy ace- acea acec aces acey acfc acfe acfs acsa acsc acse acss aeac aeaf aeas aebs aeby aecb aesc aess afaa afbs afca afcb afcc afcs afee afes affa affc affs affy afsa afsb afsc afye asaa asab asac asae asaf asas asay asba asby asc- asca ascb ascc asce asea asec asee ases asey asfa assa assc asse asss assy asya asye ayas ayay ayca ayce ayes ayya baaa baaf baas baba babb babe babs baby bac- baca bacc bace bacs baes bafc baff basa basc base basf bass baya baye bays bbas bbay bbbb bbbs bbeb bbfc bcaa bcas bcbc bcbs bcca bccc bccs bcec bces bcfc bcsa bcsc bcss beaf beas beay beba bebb bebe beby beca becs beeb beef bees beey befa befe beff bes- besa bese bess besy beya beye beys bfas bfca bfcs bffs bsaa bsac bsas bscs bsea bseb bsec bsee bses bsfa bsfc bsff bsfs bssc bsse byas byce byes bysb byse byss bysy caaa caab caac caaf caas caba cabe cabf cabs caby cac- caca cacc cace caec caes cafa cafb cafc cafe caff cafs casa casb casc case cass caye cays cbac cbbc cbbs cbca cbcc cbce cbcs cbea cbec cbee cbef cbfb cbfc cbsa cbsc cbse ccaa ccab ccac ccaf ccas ccba ccbc ccca cccb cccc cccf cccs ccee ccfa ccfc ccff ccsa ccsf ccss ceac ceas ceba cebs cec- ceca cece cecs ceeb ceec cees cef- cefa cefc cesa cesc cese cess ceys cfaa cfab cfac cfae cfbc cfbs cfca cfcb cfcf cfcs cfcy cffb cfsa cfse csaa csab csac csas csbf cscb cscc csce cscf cscs csea csec csee csfc cssa csse csys cya- cyaa cyba cybb cybc cyc- cyca cycb cycc cycs cyfe cyfs cyse cyy- cyyc eaaf eaba eaca eacc eaec eafb easa ease easy ebac ebay ebba ebbc ebbs ebby ebcc ebes ebfc ebsa ebya ecaa ecac ecbc ecbe ecca eccb eccc ecce ecef eces ecfa ecfc ecfs ecsa ecsc ecse ecss eeby eeca eecs eeea eeee eees eefa eefe eese eesy efab efas efca efes effa effs effy efsa efya esab esac esas esba esbs esca escb esce escs esea esee eses esfs essa esse essy eyas eyeb eyec eyes eyey eyse faaa faac faas faba fabe fabs faca facc face facs facy faeb faes fafa fafc fafe faff fasa fasc fase fass faya faye fays fcab fcas fcba fcbs fcca fccf fces fcsc feaf feas feba febs fece feeb fees fefc fefe feff fesa fese fess feys ffcc ffee ffff ffsa ffss fsas fscb fscc fsec fssa fssc fssf fyce fyfe sa-c saab saac saae saaf saas saba sabb sabc sabe sabs saca sacc sace sacs sacy saeb saes safa safb safc safe saff sasa sasc sase sasf sass saya saye says sbaa sbac sbas sbbs sbca sbcc sbcs sbef sbfc sbsa sbse scaa scab scac scaf scas scay scba sccc scce sccs sccy scea scec scee scey scfa scfc scfe scsa scsc scye se-c se-e se-f se-s se-y seaa seab seac seaf seas seay seba sebe sebs seby sec- seca secc sece secs secy seea seeb seec seef sees seey sefa seff sesa sesc sese sess seye seyf seys sfas sfba sfbc sfca sfcc sfcs sffc sfss ssaa ssab ssac ssas ssby ssca sscc ssce sscs ssec ssee sses ssfc sssa sssb sssc sssf ssss syce syes syfe syff syfy syse syss yaaf yaas yaba yacc yacy yafa yafc yafe yaff yasa yass yaya yays ybas ybbs ycab yccc ycee ycsb yeaf yeas yees yefe yeff yesa yess yeye ysay ysby ysee yses