a-a a-b a-c a-t aaa aab aac aao aar aas aat aay ab- aba abb abc abo abr abs abt aby ac- aca acb acc aco acr acs act acy aoa aob aoc aoo aor aos aot ar- ara arb arc aro arr ars art ary as- asa asb asc aso asr ass ast asy at- ata atb atc ato atr ats att ay- aya ayc ayo ayr ays ayt baa bab bac bao bar bas bat bay bba bbb bbc bbo bbr bbs bbt bby bca bcb bcc bco bcr bcs bct bcy boa bob boc boo bor bos bot boy bra brb bro brr brs brt bry bsa bsb bsc bso bsr bss bst bsy bta btb btc bto btr bts btt bty by- bya byc byo byr bys byt c-- caa cab cac cao car cas cat cay cba cbb cbc cbo cbr cbs cbt cby cca ccb ccc cco ccr ccs cct co- coa cob coc coo cor cos cot coy cra crb crc cro crr crs crt cry csa csb csc cso csr css cst csy cta ctb ctc cto ctr cts ctt cty cya cyb cyc cyo cyr cys cyt oaa oab oac oao oar oas oat ob- oba obb obc obo obr obs obt oby oc- oca ocb occ oco ocr ocs oct oo- ooa oob ooc ooo oor oos oot or- ora orb orc oro orr ors ort ory os- osa osb osc oso osr oss ost ot- ota otb otc oto otr ots ott oya oyo oys ra- raa rab rac rao rar ras rat ray rba rbb rbc rbo rbr rbs rbt rca rcb rcc rco rcr rcs rct roa rob roc roo ror ros rot roy rra rrb rrc rrr rrs rrt rsa rsb rsc rso rsr rss rst rta rtb rtc rto rtr rts rtt rty ry- rya ryc ryo ryr rys ryy saa sab sac sao sar sas sat say sba sbb sbc sbo sbr sbs sbt sby sca scb scc sco scr scs sct soa sob soc soo sor sos sot soy sr- sra srb src sro srr srs srt sry ss- ssa ssb ssc sso ssr sss sst sta stb stc sto str sts stt sty sy- sya syb syc syr sys syt taa tab tac tao tar tas tat tay tba tbb tbc tbo tbr tbs tbt tca tcb tcc tco tcr tcs tct to- toa tob toc too tor tos tot toy tra trb trc tro trr trs trt try tsa tsb tsc tso tsr tss tst tsy tta ttb ttc tto ttr tts ttt tty tya tyc tyo tyr tys tyt yaa yab yac yao yar yas yat yay ybc ybr ybs yby yca ycc yco ycs ycy yob yoc yoo yor yos yot yoy yra yrc yro yrs yrt ysa ysb ysc yso ysr yss yst ysy yta ytc yto ytr yts ytt yyb yyc yys yyt yyy

a-ya a-yo aaaa aaab aaac aaar aaas aaba aabb aabc aabt aaby aaca aacb aacc aaco aacr aacs aact aacy aaoo aara aarc aaro aars aart aasa aasc aass aast aata aatc aatt abaa abab abac abar abas abat abay abb- abba abbb abbo abbr abbs abbt abby abca abcb abcc abcr abcs abct aboa abob aboo abor abos abot aboy abra abrc abro abrs abry abs- absa abss abta abts abyc abys abyt abyy ac-t acaa acab acac acar acas acat acba acca accc acco accs acct accy acoa acor acos acot acoy acr- acra acrc acro acrr acrs acry acsa acsc acss acst acta actc acto acts actt aoba aoca aocs aora aorb aors aort aoss aotc arab arac arar aras arat aray arba arbs arby arc- arca arco arcs arct aroa arob aroo aror aros arr- arra arrc arro arrr arrs arrt arry ars- arsa arsc arso arst arsy arta artc arto artr arts arty ary- arya arys asaa asab asac asao asar asas asat asay asba asbo asby asc- asca ascb ascc asco ascr asct asob asoc asor asos asot asra asrc asro asrs assa assc asso assr asss asst assy asta astb astc asto astr asts asty asya at-t ataa atab atac atar atas atat atay atbs atca atcc atco atcr atcs atob atoc ator atos atot atoy atra atrc atro atry atsb atsc atst atta atto attr atts atty atya atys ay-o ayao ayar ayas ayat ayay ayca ayoo ayos ayot ayra ayry ayta ayto ayya baaa baar baas baat baba babb babo babr babs baby bac- baca bacc baco bacs bact baos bar- bara barb barc baro barr bars bart bary basa basc baso bass bast bata batc bato bats batt baty baya bayo bays bayt bbas bbay bbbb bbbs bboy bbrc bbyo bcaa bcar bcas bcat bcbc bcbs bcca bccc bccs bcor bcos bcra bcrs bcsa bcsc bcss bctc bcts boab boac boar boas boat boba bobb bobo bobs boby boca boco bocs boob booc boor boos boot bor- bora boro borr bors bort bory bosa bosc boso boss bost bota botb boto bots bott boty boya boyo boys brab brac brao bras brat bray brca brcb broa brob broc broo bror bros brot brrr brrs brsb brsr brst brtc bry- brya bryo bsaa bsac bsas bsat bscs bsos bsra bssc bsts btaa btcc btcs btob btor btrc btrt btry btss bttb byar byas byoa byob byoc byos byrt bysb byso byss byst bysy byts c-bo caaa caab caac caas caat caba cabo cabs caby cac- caca cacc caco cacr caor caos cara carb carc caro carr cars cart cary casa casb casc caso casr cass cast cat- cata catb catc cato cats catt caty cayo cayr cays cbac cbar cbat cbbc cbbs cbca cbcc cbcr cbcs cbct cbot cbrt cbry cbsa cbsc cbta cbtc cbyt ccaa ccab ccac ccar ccas ccat ccba ccbc ccca cccb cccc cccs ccob ccoc ccra ccrc ccrs ccrt ccsa ccss ccst cctb cctc cctt coas coat coba cobb cobo cobs coby coca coco coct coob coos coot cor- cora