a-a a-b a-t aaa aab aap aar aat ab- aba abb abp abr abt ap- apa apb app apr apt ar- ara arb arp arr art at- ata atb atp atr att b-p baa bab bap bar bat bba bbb bbp bbr bbt bpa bpb bpp bpr bpt bra brb brp brr brt bta btb btp btr btt p-p paa pab pap par pat pba pbb pbp pbr pbt ppa ppb ppp ppr ppt pra prb prp prr prt pt- pta ptb ptp ptr ptt ra- raa rab rap rar rat rba rbb rbp rbr rbt rpa rpb rpp rpr rpt rra rrb rrp rrr rrt rta rtb rtp rtr rtt taa tab tap tar tat tba tbb tbp tbr tbt tpa tpb tpp tpr tpt tra trb trp trr trt tta ttb ttp ttr ttt

aaaa aaab aaap aaar aaba aabb aabp aabt aapa aapt aara aarp aart aata aatt abaa abab abap abar abat abb- abba abbb abbr abbt abpa abpp abpr abra abta apap apar apat apba apbr appa appr appt apra aprt apta aptt arab arap arar arat arba arpa arr- arra arrr arrt arta artr at-t ataa atab atap atar atat atpr atra atrp atta attp attr baaa baar baat baba babb babr bapa bapp bapt bar- bara barb barr bart bata batt bbbb bbpr brab brat brrr btaa btbp btrt bttb paap paar paat paba pabt papa papb papp papr par- para parp parr part pata patr patt pbar pbpa ppap ppar pppa pppp ppta pptt prar prat prtp prtr ptab raab raat raba rabb rapa rapp rapt rara rarb rata ratp ratt rbbb rbbr rpta rrat rrrr rtpa rttp taa- taar taat taba tabb tapa tapp tapr tapt tara tarb tarp tarr tart tata tatb tatr tatt tbar tbrb tbta tbtp tpap tppa tppp tppr tptp tptr traa trab trap trat trpa trpp trra trtr ttab ttbb tttt

-aaa- a-a-p aaata aabaa aabba aabra abaab ababa abara abbar abbat abrar abtaa abtar apapa apar- apara apart apata apatt appar ar-ab araat arab- araba arara arata arbab arbar arbat arpar artar artat atapr atara atbar atbat atpar atrab atrap attap attar attra baart baata babar babra bapat bapta baraa barab barar barat barba barra barta batab batar batat batra batta bbart braat bratt brrar brrrr btr-t paara paarp paart pabra papa- papar papat pappa para- parat parr- parra parta partb patr- patra patta praat prata pratt ptpra ptprb ptprr ptprt ptrap ra-ra raaba rabab rabap rabat rabba rabta rapar rapat rappa raptr ratba ratra ratta t-ara t-bar ta-ra ta-ta taart tabar tabat tabra tapat tappa tappr tarap tarar tarat tarpa tarpt tarra tarta tartt tataa tatar tatra tatta tbtbt traba trapa trapp trapt trata tratt ttrap ttttt

aaaaba aaptar abarat abarta abatar aparat apatar appart aptara ararat aratta arbra arraba at-bat ataaba atarba atarra atbara atrata attrap baabaa baabar baatar babbar bapara baraat barara barata barbar barbat barbra barrat bartab bartra batara batata bbbbbb papara paprat paraba parata parbat parrat patara patart patata pppppp raabta rababa rabbat ratata ratbat rattar rattat t-barb taarab tabara tabata tabbat taptap taraba tarara tarata tarrar tartar tartr- tataat tatara tattat tra-ra

apparat arabata arapata atarapa attatba baabarr babbart barabra barbara barbata barratt barrtab batabat batpart bbbbbbb parapat parratt pattara pratapa rap-tap rat-tat ratatat rattrap tabarra tap-tap tappara tat-tat

bar-abba barabara batatara bbbbbbbb brattata papapapa paparara parapaar parapara parbatta praparat ra-ta-ta rat-trap taraptar taratata

baabaabaa barbapapa battabara rat-a-tat

ratatattat

rat-tat-tat tat-tat-tat

tatararatata tattarrattat

rat-a-tat-tat

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb