a-a a-b a-c a-t aaa aab aac aak aao aat ab- aba abb abc abk abo abt ac- aca acb acc ack aco act aka akb akc akk ako aoa aob aoc aok aoo aot at- ata atb atc ato att baa bab bac bak bao bat bba bbb bbc bbk bbo bbt bca bcb bcc bck bco bct bka bkb bkc bkk bko bkt boa bob boc bok boo bot bta btb btc btk bto btt c-- caa cab cac cak cao cat cba cbb cbc cbk cbo cbt cca ccb ccc cck cco cct cka ckb ckc cko ckt co- coa cob coc cok coo cot cta ctb ctc ctk cto ctt k-t ka- kaa kab kac kak kao kat kba kbb kbc kbk kbo kca kcb kcc kck kct kkb kkc kkk kkt koa kob koc kok koo kot kta ktb ktc ktk kto ktt oaa oab oac oak oao oat ob- oba obb obc obk obo obt 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 taa tab tac tak tao tat tba tbb tbc tbk tbo tbt tca tcb tcc tck tco tct tka tkb tkc tkk tko tkt to- toa tob toc tok too tot tta ttb ttc ttk tto ttt

a-ak a-ok aaaa aaab aaac aaba aabb aabc aabt aaca aacb aacc aack aaco aact aaka aaoo aata aatc aatk aatt abaa abab abac abak abat abb- abba abbb abbo abbt abca abcb abcc abct aboa abob abok aboo abot abta ac-t acaa acab acac acat acba acca accc acco acct acoa acot acta actc acto actt akaa akao akca akka akko akok akot aoba aoca aotc at-t ataa atab atac atak atat atca atcc atck atco atka atkt atob atoc atok atot atta atto baaa baak baat baba babb babo bac- baca bacc back baco bact bak- baka bako bakt bata batc bato batt bbbb bcaa bcat bcbc bcca bccc bctc boab boac boak boat boba bobb bobo boca bock boco boka boko boob booc book boot bota botb boto bott btaa btcc btob bttb c-bo caaa caab caac caat caba cabo cac- caca cacc cack caco caka cat- cata catb catc cato catt cbac cbat cbbc cbca cbcc cbct cbka cbko cbot cbta cbtc ccaa ccab ccac ccat ccba ccbc ccca cccb cccc ccob ccoc cctb cctc cctt ckac ckat ckbc ckck ckco ckoa ckob ckoc ckoo ckot cktb coak coat coba cobb cobo coca cock coco coct cok- coka coko coob cook coot cota cotb cotc coto cott ctab ctba ctca ctot ctta kaaa kaab kaak kaat kaba kabb kabc kabo kacb kacc kaco kact kaka kakc kakk kako kakt kaoa kaoc kaok kat- kata katb katc katk kato katt kbaa kbab kbac kbak kbat kbba kbbb kbbc kbbk kbbo kbbt kbca kbcb kbck kbco kbct kbkb kbkk kbko kboa kbob kboc kbok kboo kbot kbta kbtb kbtc kbtk kbto kbtt kcaa kcab kcac kcat kcba kcbc kcbk kcca kccb kccc kcck kcct kckc kckk kcko kcob kcot kcta kctb kctc kcto kkaa kkac kkat kkba kkbb kkbo kkbt kkcb kkck kkco kkct kkkk kkoa kkob kkoo kkot kktc kktk koab koac koak koba kobb kobc kobk kobo koca kocb kock koct koka kokb kokc kokk koko koob kooc kook kooo koot kota kotb kotc kotk koto kott ktaa ktak ktao ktat ktba ktbb ktbc ktbt ktcc ktck ktco ktkb ktkc ktkk ktko ktkt ktob ktoc ktok ktoo ktot kttc kttk ktto kttt obak obba obbo obkb obok obot ocab ocac ocak ocat ocbc occa occc occt oct- octa octo okak okka okko okok okot okta okto ooaa ooak ooba oooo ootb otac otak oto- otok otoo otta otto taa- taat taba tabb tabc tabo taca tacc tack taco tact taka takk tako takt taoa tata tatb tato tatt tbca tbcb tbcc tbta tcca tccc tctc tkac toab toat toba tobo tobt toca tock toco toka toko tooa took toot tota totc toto tott ttab ttbb tttt

-aaa- aaaoc aaata aabaa aabba aacbc aakko abaab ababa abaca aback abaco abaka abako abbac abbat abbot abccc abkoo abkot aboab aboat abobo abook aboot abott abtaa abtao acaca acacb acack acoat acock acook acoot actto akaba akabo akaoa akata akbot akobo akoka akoko akota akoto atack ataco ataka atbat atkot atoka atoot atoto attak atto- baata babak babka baboo babot bacab bacao bacca bacco back- backa bacot bacta bakka bakoa bakot batab batac batak batat batco batka batko batob batoo batta batto bbook bccat bcock bo-bo boaco bobac bobak bobko boboc bobok bocac bocao bocat bocca bocka bocoa bokaa bokat bokko bokok booat booba boock booco booko boota botok botta c-a-c ca-ca caaba cabob caboc cabok cabot cacak cacao caco- cacoa caoba cata- catak catco cato- catta catto ccccc co-bo co-co coact coatc cobot cocao cocc- cocco cocka cockt cocoa cocto cokak cokk- cokot cooba cookt cott- cotta cotto k-a-o k-t-b k-tab kaaba kabaa kabab kabak kabat kabba kabob kabta kakao kakka kakko kako- kaooa kata- katak katat katoa katok katta ko-ko koata kocab kocak kokab kokak kokka kokko kokot kooba kooka kotak kotka kotta kotto obaba obata obock octa- octo- okaka okato okobo okoc ooooo otaka otcbb otoba otoka ototo t-cat ta-ta taabo taaka tabac tabak tabat tabo- tabok taboo tabot tacca tacco takab takao takob tataa tatao tatoo tatta tatto tbtbt tcoat tcobb toact tobac tobat tobot tocak tocco toco- tocoa tokat tokko toko- tooka totak toto- totok totoo totta ttttt

aaaaba abacab abacot abbott abcott accott ackack aka-bo akbaba akkaba at-bat ataaba atacta attack attock baabaa babaco bacaba bakata bakoca bakota baobab bataka batata batcat batoko battak bbbbbb boabab boback bobcat bobota boccob bococa bocock booboo botoko botota caback cabook caccao cakcak catcat ccaatt ccatca cobbob cocco- cockta cococo cocota cocto- cokato coocoo cookoo kaback kabaka kabook kakata kakkak kataba kataka katoka koakoa kobaco kobako kobato koboko kokako kokota kokott kookoo kootoo kotoka kotoko kottak oooooo otocka tabaco tabata tabbat taboot tacata