a-a a-b a-t aaa aab aar aat ab- aba abb abr abt ar- ara arb arr art at- ata atb atr att baa bab bar bat bba bbb bbr bbt bra brb brr brt bta btb btr btt ra- raa rab rar rat rba rbb rbr rbt rra rrb rrr rrt rta rtb rtr rtt taa tab tar tat tba tbb tbr tbt tra trb trr trt tta ttb ttr ttt

aaaa aaab aaar aaba aabb aabt aara aart aata aatt abaa abab abar abat abb- abba abbb abbr abbt abra abta arab arar arat arba arr- arra arrr arrt arta artr at-t ataa atab atar atat atra atta attr baaa baar baat baba babb babr bar- bara barb barr bart bata batt bbbb brab brat brrr btaa btrt bttb raab raat raba rabb rara rarb rata ratt rbbb rbbr rrat rrrr taa- taar taat taba tabb tara tarb tarr tart tata tatb tatr tatt tbar tbrb tbta traa trab trat trra trtr ttab ttbb tttt

-aaa- aaata aabaa aabba aabra abaab ababa abara abbar abbat abrar abtaa abtar ar-ab araat arab- araba arara arata arbab arbar arbat artar artat atara atbar atbat atrab attar attra baart baata babar babra baraa barab barar barat barba barra barta batab batar batat batra batta bbart braat bratt brrar brrrr btr-t ra-ra raaba rabab rabat rabba rabta ratba ratra ratta t-ara t-bar ta-ra ta-ta taart tabar tabat tabra tarar tarat tarra tarta tartt tataa tatar tatra tatta tbtbt traba trata tratt ttttt

aaaaba abarat abarta abatar ararat aratta arbra arraba at-bat ataaba atarba atarra atbara atrata baabaa baabar baatar babbar baraat barara barata barbar barbat barbra barrat bartab bartra batara batata bbbbbb raabta rababa rabbat ratata ratbat rattar rattat t-barb taarab tabara tabata tabbat taraba tarara tarata tarrar tartar tartr- tataat tatara tattat tra-ra

arabata attatba baabarr babbart barabra barbara barratt barrtab batabat bbbbbbb rat-tat ratatat tabarra tat-tat

bar-abba barabara batatara bbbbbbbb brattata ra-ta-ta taratata

baabaabaa battabara rat-a-tat

ratatattat

rat-tat-tat tat-tat-tat

tatararatata tattarrattat

rat-a-tat-tat

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb