a-a a-b a-c a-t aaa aab aac aae aak aat ab- aba abb abc abe abk abt ac- aca acb acc ace ack act aea aeb aec aee aek aet aka akb akc ake akk at- ata atb atc ate att baa bab bac bae bak bat bba bbb bbc bbe bbk bbt bca bcb bcc bce bck bct be- bea beb bec bee bek bet bka bkb bkc bke bkk bkt bta btb btc bte btk btt c-- caa cab cac cae cak cat cba cbb cbc cbe cbk cbt cca ccb ccc cce cck cct ce- cea ceb cec cee cek cet cka ckb ckc ckt cta ctb ctc cte ctk ctt eaa eab eac eae eak eat eba ebb ebc ebe ebk ebt ec- eca ecb ecc ece eck ect eea eeb eec eee eek eet eka ekb ekc eke ekt eta etb etc ete etk ett k-t ka- kaa kab kac kae kak kat kba kbb kbc kbe kbk kca kcb kcc kce kck kct ke- kea keb kec kee kek ket kkb kkc kke kkk kkt kta ktb ktc kte ktk ktt taa tab tac tae tak tat tba tbb tbc tbe tbk tbt tca tcb tcc tce tck tct te- tea teb tec tee tek tet tka tkb tkc tke tkk tkt tta ttb ttc tte ttk ttt

a-ak a-be aaaa aaab aaac aaae aaba aabb aabc aabt aaca aacb aacc aace aack aact aaea aaec aaka aake aata aatc aatk aatt abaa abab abac abae abak abat abb- abba abbb abbe abbt abca abcb abcc abct abec abee abet abta ac-t acaa acab acac acae acat acba acca accc acce acct ace- acea acec acek acet acke acta actc acte actt aeac aecb aect aeka aeta aetc aett akaa akae akca akee akka akte at-t ataa atab atac atae atak atat atca atcc atck atea atec atee atka atkt atta atte baaa baak baat baba babb babe bac- baca bacc bace back bact baek bak- baka bake bakt bata batc bate batt bbbb bbeb bbet bcaa bcat bcbc bcca bccc bcec bcet bctc beak beat beba bebb bebe beca beck beeb beek beet beka beke beta betc bete bett btaa btcc btec btek bttb caaa caab caac caat caba cabe cac- caca cacc cace cack caec caka cake cat- cata catb catc cate catt cbac cbat cbbc cbca cbcc cbce cbct cbea cbec cbee cbet cbka cbta cbtc ccaa ccab ccac ccat ccba ccbc ccca cccb cccc ccee cctb cctc cctt ceac ceat ceba cec- ceca cece cect ceeb ceec ceke cet- ceta cete ckac ckat ckbc ckbe ckck cktb ctab ctae ctba ctca ctec ctta eaba eaca eacc eaec eata eate ebac ebba ebbc ebcc ecaa ecac ecat ecbc ecbe ecca eccb eccc ecce ecct ecka ect- ecta ectc eeca eeea eeee eeka eeke eeta eetc eete eka- ekab ekeb ekek eket ekka ekta etak etat etbc etcc etec etee etka etta ette kaaa kaab kaak kaat kaba kabb kabc kabe kacb kacc kace kact kaet kaka kakc kake kakk kakt kat- kata katb katc kate katk katt kbaa kbab kbac kbae kbak kbat kbba kbbb kbbc kbbe kbbk kbbt kbca kbcb kbce kbck kbct kbeb kbec kbee kbek kbet kbkb kbkk kbta kbtb kbtc kbte kbtk kbtt kcaa kcab kcac kcat kcba kcbc kcbk kcca kccb kccc kcck kcct kcea kceb kcec kcee kcet kckc kckk kcta kctb kctc kcte kea- keak keat keba kebb kebc kebe kebt keca keck keek keet keka kekb kekc keke ket- keta ketc kete ketk kett kkaa kkac kkat kkba kkbb kkbe kkbt kkcb kkck kkct kkea kkkk kktc kktk ktaa ktae ktak ktat ktba ktbb ktbc ktbt ktcc ktce ktck ktea ktec ktee ktek ktkb ktkc ktke ktkk ktkt kttc kttk kttt taa- taat taba tabb tabc tabe taca tacc tace tack tact taec taka take takk takt tata tatb tate tatt tbca tbcb tbcc tbce tbta tcca tccc tctc teac teak teat teba teca teck tect teec teek teet teka teke teta tete tett tkac ttab ttbb tttt

-aaa- aaace aaaee aaata aabaa aabba aacbc aacte abaab ababa ababe abaca aback abaka abake abate abbac abbat abbet abccc abeat abeba abebe abece abeet abtaa acaca acacb acack acake acate aceae acet- aceta ackee aeaea aebbe aetat aka-e akaba akata akce aketa akete atack ataka atake atbat ateat ateca atete attak attea baabe baake baata baate babak babec babee babek babka bacab bacca bacea back- backa backe bacta bakea bakka bakke batab batac batak batat batea batek batka batta batte bbbee bccat beack beata beate bebat bebek becak becca becke becta beeac beebe beeke beete bekaa bekka bekke betee betke bett- betta bette btc-e c-a-c c-tec ca-ca caaba cabet cacak caec- caeca cata- catak catta ccccc ccett ceace cebec cecka ceeac cetac cetea cette cttee e-act eaket eatat ebate ebbet ecatt eecca eecke eeeee ekata etaac etate eteke etete k-t-b k-tab kaaba kabaa kabab kabak kabat kabba kabta kacee kakae kakka kakke kata- katak katat kateb katee katek katta keate kebab kebbe kebek kecak kekec ketek kette t-cat ta-ta taaka taake tabac tabae tabak tabat tabet tacca tacet takab take- takea takec taket takke tataa tatce tatee tatta tbeca tbtbt teaba teaca teact tebat tebet tecat tecka tecta tectb tekab tekat teket tekka tekke tetea tette ttttt

aaaaba abacab abaete abatee abatte abbace abbate abbett ackack actaea actaee aeacea aetate akatea akatek akbaba akeake akkaba at-bat ataaba atabae atabek atacta attack attaea baabaa bababe babeta bacaba baceta backet baekke bakata bakebe bataka batata batcat batete battak bbbbbb bbbeat beatae beatat beatee beback becket beebea beebee betaab betake beteta betete bettee caback cabeca caete cakate cakcak catcat catete ccaatt ccatca ce-ata ceatec ceatta ceecee cetate ecabet ecbacc etaeta etaket etcetc k-beta kaback kabaka kabate kabete kakata kakkak kataba kataka katete ketate t-babe t-bake tabata tabbat tacata tacket takaba takaka takata takate takete tataat tataee tataka tatbeb tattat tattee teaact tecate teeack teebee teetee tetake tetete tkatka

abacate abatete abecket abettee acetate ack-ack aka-bea akeback atecake