a-a a-b a-c aaa aab aac aan aao aar aas aay ab- aba abb abc abn abo abr abs aby ac- aca acb acc acn aco acr acs acy an- ana anb anc ann ano anr ans any aoa aob aoc aon aoo aor aos ar- ara arb arc arn aro arr ars ary as- asa asb asc asn aso asr ass asy ay- aya ayc ayn ayo ayr ays baa bab bac ban bao bar bas bay bba bbb bbc bbn bbo bbr bbs bby bca bcb bcc bcn bco bcr bcs bcy bna bnb bnc bnn bno bnr bns boa bob boc bon boo bor bos boy bra brb brn bro brr brs bry bsa bsb bsc bsn bso bsr bss bsy by- bya byc byn byo byr bys c-- caa cab cac can cao car cas cay cba cbb cbc cbn cbo cbr cbs cby cca ccb ccc ccn cco ccr ccs cn- cna cnb cnc cnn cno cnr cns cny co- coa cob coc con coo cor cos coy cra crb crc crn cro crr crs cry csa csb csc csn cso csr css csy cya cyb cyc cyn cyo cyr cys naa nab nac nan nao nar nas nay nba nbb nbc nbn nbo nbr nbs nca ncb ncc ncn nco ncr ncs nna nnb nnc nnn nno nns no- noa nob noc non noo nor nos noy nra nrb nrc nrn nro nrr nrs nry nsa nsb nsc nsn nso nsr nss nsy nya nyc nyn nyo nys nyy oaa oab oac oan oao oar oas ob- oba obb obc obn obo obr obs oby oc- oca ocb occ ocn oco ocr ocs on- ona onb onc onn ono onr ons ony oo- ooa oob ooc oon ooo oor oos or- ora orb orc orn oro orr ors ory os- osa osb osc osn oso osr oss oya oyo oys ra- raa rab rac ran rao rar ras ray rba rbb rbc rbn rbo rbr rbs rca rcb rcc rcn rco rcr rcs rna rnb rnc rnn rno rnr rns rny roa rob roc ron roo ror ros roy rra rrb rrc rrn rrr rrs rsa rsb rsc rsn rso rsr rss ry- rya ryc ryn ryo ryr rys ryy saa sab sac san sao sar sas say sba sbb sbc sbn sbo sbr sbs sby sca scb scc scn sco scr scs sna snb snc snn sno snr sns sny soa sob soc son soo sor sos soy sr- sra srb src srn sro srr srs sry ss- ssa ssb ssc ssn sso ssr sss sy- sya syb syc syn syr sys yaa yab yac yan yao yar yas yay ybc ybr ybs yby yca ycc yco ycs ycy yna ynn yns yny yob yoc yon yoo yor yos yoy yra yrc yrn yro yrs ysa ysb ysc yso ysr yss ysy yyb yyc yys yyy

-ana a-ya a-yo aaaa aaab aaac aaan aaar aaas aaba aabb aabc aaby aaca aacb aacc aacn aaco aacr aacs aacy aana aaon aaoo aara aarc aaro aars aasa aasc aass abaa abab abac aban abar abas abay abb- abba abbb abbo abbr abbs abby abca abcb abcc abcn abcr abcs aboa abob abon aboo abor abos aboy abra abrc abro abrs abry abs- absa abss abyc abys abyy acaa acab acac acan acar acas acba acca accc acco accs accy acoa acon acor acos acoy acr- acra acrc acro acrr acrs acry acsa acsc acss ana- anaa anab anac anan anao anar anas anba anbb anbo anca ancc anco ancy anna annb anno anns anny ano- anoa anon anor anos anoy anrc ansa anso anya aoba aoca aocs aonb aono aora aorb aorn aors aoss arab arac aran arar aras aray arba arbs arby arc- arca arco arcs arna arno arns aroa arob aron aroo aror aros arr- arra arrc arro arrr arrs arry ars- arsa arsc arso arsy ary- arya aryn arys asaa asab asac asan asao asar asas asay asba asbo asby asc- asca ascb ascc asco ascr asnc asno asob asoc ason asor asos asra asrc asro asrs assa assc assn asso assr asss assy asya ay-o ayan ayao ayar ayas ayay ayca ayna ayns ayon ayoo ayos ayra ayry ayya baaa baan baar baas baba babb babo babr babs baby bac- baca bacc bacn baco bacs bana banc bann bano banr bans baon baos bar- bara barb barc barn baro barr bars bary basa basc baso bass baya bayo bays bbas bbay bbbb bbbs bboy bbrc bbyo bcaa bcar bcas bcbc bcbs bcca bccc bccs bcor bcos bcra bcrs bcsa bcsc bcsn bcss bnas bnoc bnor bnrr bnss bnya boab boac boan boar boas boba bobb bobo bobs boby boca boco bocs bona bonc bonn bono bons bony boob booc boon boor boos bor- bora born boro borr bors bory bosa bosc bosn boso boss boya boyn boyo boys brab brac bran brao bras bray brca brcb brna brno brns broa brob broc bron broo bror bros brrr brrs brsb brsr bry- brya bryn bryo bsaa bsac bsas bscs bsns bson bsos bsra bssc byan byar byas bync byno byoa byob byoc byon byos byrn bysb byso byss bysy c-bo caaa caab caac caan caas caba cabo cabs caby cac- caca cacc caco cacr cana canc cann cano cans cany caor caos cara carb carc carn caro carr cars cary casa casb casc caso casr cass cayo cayr cays cbac cbar cbbc cbbs cbca cbcc cbcn cbcr cbcs cbna cbrn cbry cbsa cbsc cbsn ccaa ccab ccac ccar ccas ccba ccbc ccbn ccca cccb cccc cccs ccna ccnb ccnc ccnr ccns ccny ccob ccoc ccra ccrc ccrs ccsa ccsn ccss cnaa cnac cnas cnbc cnco cnna cnrc cnrr cnsa cnss coan coas coba cobb cobo cobs coby coca coco con- cona conc conn cono cons cony coob coon coos cor- cora corb corc corn coro corr cors cory cosa cosc coso coss cosy coya coyn coyo coyr coys crab crac cran crar