a-a a-b a-c a-t aaa aab aac aar aat ab- aba abb abc abr abt ac- aca acb acc acr act ar- ara arb arc arr art at- ata atb atc atr att baa bab bac bar bat bba bbb bbc bbr bbt bca bcb bcc bcr bct bra brb brr brt bta btb btc btr btt c-- caa cab cac car cat cba cbb cbc cbr cbt cca ccb ccc ccr cct cra crb crc crr crt cta ctb ctc ctr ctt ra- raa rab rac rar rat rba rbb rbc rbr rbt rca rcb rcc rcr rct rra rrb rrc rrr rrt rta rtb rtc rtr rtt taa tab tac tar tat tba tbb tbc tbr tbt tca tcb tcc tcr tct tra trb trc trr trt tta ttb ttc ttr ttt

aaaa aaab aaac aaar aaba aabb aabc aabt aaca aacb aacc aacr aact aara aarc aart aata aatc aatt abaa abab abac abar abat abb- abba abbb abbr abbt abca abcb abcc abcr abct abra abrc abta ac-t acaa acab acac acar acat acba acca accc acct acr- acra acrc acrr acta actc actt arab arac arar arat arba arc- arca arct arr- arra arrc arrr arrt arta artc artr at-t ataa atab atac atar atat atca atcc atcr atra atrc atta attr baaa baar baat baba babb babr bac- baca bacc bact bar- bara barb barc barr bart bata batc batt bbbb bbrc bcaa bcar bcat bcbc bcca bccc bcra bctc brab brac brat brca brcb brrr brtc btaa btcc btrc btrt bttb caaa caab caac caat caba cac- caca cacc cacr cara carb carc carr cart cat- cata catb catc catt cbac cbar cbat cbbc cbca cbcc cbcr cbct cbrt cbta cbtc ccaa ccab ccac ccar ccat ccba ccbc ccca cccb cccc ccra ccrc ccrt cctb cctc cctt crab crac crar crat crbc crca crcc crcr crrt crtc ctab ctba ctca ctrc ctta raab raat raba rabb rac- raca racc ract rara rarb rata ratt rbbb rbbr rcac rcbc rccb rccc rctc rrat rrrr rtca rtcc taa- taar taat taba tabb tabc taca tacc tact tara tarb tarc tarr tart tata tatb tatr tatt tbar tbca tbcb tbcc tbrb tbta tcca tccc tctc traa trab trac trat trca trcc trra trtc trtr ttab ttbb tttt

-aaa- aaarc aaata aabaa aabba aabra aacbc abaab ababa abaca abara abbac abbar abbat abccc abrac abrar abtaa abtar acaca acacb acar- acara accra acrab act-r actar actra ar-ab ara-c araat arab- araba araca arara arata arbab arbar arbat arct- artar artat atara atbar atbat atrab attar attra baart baata babar babra bacab bacar bacca bacta baraa barab barac barar barat barba barca barra barta batab batac batar batat batra batta bbart bccat braat braca bracc bract bratt brrar brrrr btr-t c-a-c c-rat ca-ca caaba cabra caraa carab carac carat carb- carra carrt carta cata- catra catta ccccc craba crabb ra-ra raaba rabab rabac rabat rabba rabta racta ratba ratra ratta rccar t-ara t-bar t-cat t-rac ta-ra ta-ta taart tabac tabar tabat tabra tacca tarac tarar tarat tarra tarta tartt tataa tatar tatra tatta tbtbt tcart traac traba tract trata tratt ttttt

aaaaba abacab abarat abarca abarta abatar accara acrata aracar ararat aratta arbra arcata arraba artcar at-bat ataaba atacta atarba atarra atbara atrata baabaa baabar baatar babarc babbar bacaba baccar bactra baraat baraca barara barata barbar barbat barbra barcar barrat bartab bartra batara batata batcat bbbbbb bracca bratac bratca cabar cabara cabarr cabart caraca caract carara carcar carcat carrat catcat ccaatt ccatca crabat cracca raabta rababa rabbat ratata ratbat ratcat rattar rattat t-barb taarab tabara tabata tabbat tacata taraba tarara tarata tarcat tarrar tartar tartr- tataat tatara tattat tra-ra tracta

arabata arataca attacca attatba attract baabarr babacar babbart bac-cab bacara bacarra baccara baccata barabra baratca barbara barbata barcart barratt barrtab batabat bbbbbbb caracca carraca carract carrara cra-cra crabbat rat-tat ratatat tabarca tabarra tac-tac tacaca tat-tat

attracta bar-abba barabara batatara bbbbbbbb brattata caracara cararara cataract catarata ra-ta-ta taratata tatarca

aracataca baabaabaa battabara rat-a-tat

carratraca ratatattat

rat-tat-tat tat-tat-tat

tatararatata tattarrattat

rat-a-tat-tat

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb ccccccccccccccc