a-a a-b a-c a-t aaa aab aac aak aao aat aay ab- aba abb abc abk abo abt aby ac- aca acb acc ack aco act acy aka akb akc akk ako aoa aob aoc aok aoo aot at- ata atb atc ato att ay- aya ayc ayk ayo ayt baa bab bac bak bao bat bay bba bbb bbc bbk bbo bbt bby bca bcb bcc bck bco bct bcy bka bkb bkc bkk bko bkt boa bob boc bok boo bot boy bta btb btc btk bto btt bty by- bya byc byk byo byt c-- caa cab cac cak cao cat cay cba cbb cbc cbk cbo cbt cby cca ccb ccc cck cco cct cka ckb ckc cko ckt cky co- coa cob coc cok coo cot coy cta ctb ctc ctk cto ctt cty cya cyb cyc cyk cyo cyt k-t ka- kaa kab kac kak kao kat kay kba kbb kbc kbk kbo kca kcb kcc kck kct kkb kkc kkk kkt kky koa kob koc kok koo kot koy kta ktb ktc ktk kto ktt kya kyc kyo kyt oaa oab oac oak oao oat ob- oba obb obc obk obo obt oby oc- oca ocb occ ock oco oct oka okb okc okk oko oo- ooa oob ooc ook ooo oot ot- ota otb otc otk oto ott oya oyo taa tab tac tak tao tat tay tba tbb tbc tbk tbo tbt tca tcb tcc tck tco tct tka tkb tkc tkk tko tkt tky to- toa tob toc tok too tot toy tta ttb ttc ttk tto ttt tty tya tyc tyo tyt yaa yab yac yak yao yat yay ybc yby yca ycc yco ycy yka ykk yob yoc yok yoo yot yoy yta ytc ytk yto ytt yyb yyc yyt yyy

a-ak a-ok a-ya a-yo aaaa aaab aaac aaba aabb aabc aabt aaby aaca aacb aacc aack aaco aact aacy aaka aaoo aata aatc aatk aatt abaa abab abac abak abat abay abb- abba abbb abbo abbt abby abca abcb abcc abct aboa abob abok aboo abot aboy abta abyc abyt abyy ac-t acaa acab acac acat acba acca accc acco acct accy acoa acot acoy acta actc acto actt akaa akao akay akca akka akko akok akot aoba aoca aotc at-t ataa atab atac atak atat atay atca atcc atck atco atka atkt atob atoc atok atot atoy atta atto atty atya ay-o ayao ayat ayay ayca ayoo ayot ayta ayto ayya baaa baak baat baba babb babo baby bac- baca bacc back baco bact bak- baka bako bakt bata batc bato batt baty baya bayo bayt bbay bbbb bboy bbyo bcaa bcat bcbc bcca bccc bctc bkcy boab boac boak boat boba bobb bobo boby boca bock boco boka boko boob booc book boot bota botb boto bott boty boya boyo btaa btcc btob bttb byck byoa byob byoc c-bo caaa caab caac caat caba cabo caby cac- caca cacc cack caco caka caky cat- cata catb catc cato catt caty cayo cbac cbat cbbc cbca cbcc cbct cbka cbko cbot cbta cbtc cbyt ccaa ccab ccac ccat ccba ccbc ccca cccb cccc ccob ccoc cctb cctc cctt ckac ckat ckbc ckck ckco ckcy ckoa ckob ckoc ckoo ckot ckoy cktb ckty coak coat coba cobb cobo coby coca cock coco coct cok- coka coko coky coob cook coot cota cotb cotc coto cott coty coya coyo coyt ctab ctba ctca ctot ctta cya- cyaa cyba cybb cybc cybo cyc- cyca cycb cycc cyoa cyt- cyta cytb cyto cyy- cyyc kaaa kaab kaak kaat kaay kaba kabb kabc kabo kaby kacb kacc kaco kact kacy kaka kakc kakk kako kakt kaoa kaoc kaok kat- kata katb katc katk kato katt katy kaya kayo kayt kbaa kbab kbac kbak kbat kbay kbba kbbb kbbc kbbk kbbo kbbt kbca kbcb kbck kbco kbct kbcy kbkb kbkk kbko kbky kboa kbob kboc kbok kboo kbot kbta kbtb kbtc kbtk kbto kbtt kbya kbyb kbyo kcaa kcab kcac kcat kcba kcbc kcbk kcca kccb kccc kcck kcct kccy kckc kckk kcko kcky kcob kcot kcta kctb kctc kcto kcty kcya kcyk kcyt kcyy kkaa kkac kkat kkay kkba kkbb kkbo kkbt kkcb kkck kkco kkct kkcy kkkk kkoa kkob kkoo kkot kkoy kktc kktk kkty kkya kkyc kkyy koab koac koak koay koba kobb kobc kobk kobo koby koca kocb kock koct koka kokb kokc kokk koko koky koob kooc kook kooo koot kota kotb kotc kotk koto kott koty koya koyo koyt koyy ktaa ktak ktao ktat ktba ktbb ktbc ktbt ktby ktcc ktck ktco ktcy ktkb ktkc ktkk ktko ktkt ktob ktoc ktok ktoo ktot ktoy kttc kttk ktto kttt ktty kyaa kyak kyat kyay kyba kybb kybc kybo kyby kyca kycc kyck kyct kyka kykc kykk kyky kyok kyoo kyot kyoy kytc kyto kytt kyty kyya kyyk kyyo kyyt kyyy oaky oaty obak obay obba obbo obby obkb obok obot oboy ocab ocac ocak ocat ocbc occa occc occt oct- octa octo octy okak okay okby okka okko okok okot okta okto okyo ooaa ooak ooba ooby ooky oooo ootb ooty otac otak otay oto- otok otoo otoy otta otto oyak taa- taat taba tabb tabc tabo taby taca tacc tack taco tact tacy taka takk tako takt taky taoa tata tatb tato tatt taty taya tayk tayo tayt tayy tbca tbcb tbcc tbta tcby tcca tccc tctc tkac to-y toab toat toay toba tobo tobt toby toca tock toco toka toko toky tooa took toot tota totc toto tott toty toya toyb toyo toyt ttab ttbb ttoy tttt tybo tyck tyco tyta tyto tytt tyty yaak yaba yabo yacc yack yaco yacy yaka yako yata yaya yayo ycab ycao ycat yccc yctc ykko ykyt yoak yoba yobo yock yoko yoky yook yoot yota yott yoyo ytak ytay ytky yyyy

-aaa- aaaoc aaata aabaa aabba aacbc aakko abaab ababa ababy abaca aback abaco abaka abako abaya abbac abbat abbay abbot abbyt abbyy abccc abkoo abkot aboab aboat