a-a a-b a-c a-z aaa aab aac aar aas aau aay aaz ab- aba abb abc abr abs abu aby abz ac- aca acb acc acr acs acu acy acz ar- ara arb arc arr ars aru ary arz as- asa asb asc asr ass asu asy asz au- aua aub auc aur aus auz ay- aya ayc ayr ays ayu ayz az- aza azb azs azu azy azz b-u baa bab bac bar bas bau bay baz bba bbb bbc bbr bbs bbu bby bca bcb bcc bcr bcs bcu bcy bcz bra brb brr brs bru bry brz bsa bsb bsc bsr bss bsu bsy bua bub buc bur bus buu buy buz by- bya byc byr bys byu byz bza bzr bzs bzu bzz c-- caa cab cac car cas cau cay caz cba cbb cbc cbr cbs cbu cby cbz cca ccb ccc ccr ccs ccu ccz cra crb crc crr crs cru cry crz csa csb csc csr css csu csy csz cua cub cuc cur cus cuu cuy cuz cya cyb cyc cyr cys cz- czc ra- raa rab rac rar ras rau ray raz rba rbb rbc rbr rbs rbu rca rcb rcc rcr rcs rcu rra rrb rrc rrr rrs rru rsa rsb rsc rsr rss rsu rua rub ruc rur rus ruu ruy ruz ry- rya ryc ryr rys ryu ryy ryz rza rzb rzy saa sab sac sar sas sau say saz sba sbb sbc sbr sbs sbu sby sca scb scc scr scs scu sr- sra srb src srr srs sry ss- ssa ssb ssc ssr sss ssu ssz sua sub suc sur sus suu suy suz sy- sya syb syc syr sys syu sza szr szu ua- uaa uab uac uar uas uau uay uaz uba ubb ubc ubr ubs ubu uby uca ucb ucc ucr ucs ucu ur- ura urb urc urr urs uru ury urz usa usb usc usr uss usu usz uua uuc uur uus uuu uyc uys uyu uza uzb uzu yaa yab yac yar yas yau yay yaz ybc ybr ybs yby ybz yca ycc ycs ycu ycy yra yrc yrs yru ysa ysb ysc ysr yss ysu ysy ysz yua yur yus yuu yuy yyb yyc yys yyu yyy yyz yzb yzr yzu yzy zaa zab zac zar zas zay zaz zbb zbc zbr zbs zby zcs zrs zsa zsu zsz zub zuc zur zus zuz zzr zzs zzy zzz

a-ya aaaa aaab aaac aaar aaas aaba aabb aabc aaby aaca aacb aacc aacr aacs aacu aacy aara aarc aars aaru aasa aasc aass aasu aaus abaa abab abac abar abas abau abay abb- abba abbb abbr abbs abby abca abcb abcc abcr abcs abra abrc abrs abry abs- absa abss absu abua abus abuy abyc abys abyy abza abzu acaa acab acac acar acas acba acca accc accs accu accy acr- acra acrc acrr acrs acry acsa acsc acss acu- acur acus arab arac arar aras arau aray arba arbs arby arc- arca arcs arr- arra arrc arrr arrs arru arry ars- arsa arsc arsu arsy arua arub ary- arya arys arza arzu asaa asab asac asar asas asau asay asba asbu asby asc- asca ascb ascc ascr asra asrc asrs asru assa assc assr asss assu assy asub asur asus asya auaa auby auca aur- aura ausa ausu ayar ayas ayay ayaz ayca ayra ayry aysu ayub ayur ayya aza- azab azar azas azay azaz azca azra azua azur azza baaa baar baas baaz baba babb babr babs babu baby bac- baca bacc bacs bacz bar- bara barb barc barr bars baru bary barz basa basc bass basu bau- baur baya bays bayu bayz baza bazy bbas bbau bbay bbbb bbbs bbrc bcaa bcar bcas bcbc bcbs bcca bccc bccs bcra bcrs bcru bcsa bcsc bcss bcuc brab brac bras brau bray braz brca brcb brrr brrs brsb brsr bruc brus bruz bry- brya brza bsaa bsac bsas bscs bsra bssc buar buba bubb bubs bubu buca bucc bucs bucu bucz bur- bura burb burr burs buru bury burz busa busc buss busu busy buus buuz buys buyu buza buzy buzz byar byas bysb byss bysy bzyb bzzz caaa caab caac caas caba cabs cabu caby cac- caca cacc cacr cara carb carc carr cars cary casa casb casc casr cass casu cauc caus cayr cays caza cazy cbac cbar cbbc cbbs cbca cbcc cbcr cbcs cbcu cbry cbsa cbsc cbus ccaa ccab ccac ccar ccas ccba ccbc ccca cccb cccc cccs cccu ccra ccrc ccrs ccsa ccss ccuc ccus crab crac crar cras crau cray crbc crbu crca crcc crcr crcz crsa crss crub crus cruz cry- crya cryb crys cryz csaa csab csac csar csas cscb cscc cscr cscs csra csrc csrs cssa cssr csua csur csus csys cuau cub- cuba cubb cubs cuby cuca cucc cura curb curr curs cury cusa cusb cuss cusu cusy cuy- cuyr cuzy cya- cyaa cyar cyba cybb cybc cyc- cyca cycb cycc cycs cyra cyrs cyy- cyyc czar czyz raab raas raaz raba rabb rabs rabu raby rac- raca racc racs racu racy rara rarb rars rary rarz rasa rasc rass rasu rasy raua raub rauc raus raya rayr rays rayu raza razr razy razz rbbb rbbr rbbs rbss rcac rcas rcbc rccb rccc rccs rcsa rcsc rcss rcyc rras rrrr rsaa rscc rscs rscy rssa rsua ruas ruba rubb rubs rubu ruby ruca rura rurc rurs ruru rusa russ rusu rusy ruya ruys ruza ryas ryba rysy rzab sa-c saab saac saar saas saaz saba sabb sabc sabr sabs sabu sabz saca sacc sacr sacs sacu sacy sara sarc sarr sars saru sary sarz sasa sasc sass saua sauc saur saus saya sayr says saza sbaa sbac sbar sbas sbbs sbca sbcc sbcs sbsa sbus scaa scab scac scar scas scay scba sccc sccs sccy scr- scra scrc scrs scry scsa scsc scsr scsu scua scub scur sras srbc srby srcc srub srzu ssaa ssab ssac ssas ssau ssbr ssby