a-a a-b a-t aaa aab aao aat aax ab- aba abb abo abt abx aoa aob aoo aot aox at- ata atb ato att atx ax- axa axo axt axx baa bab bao bat bax bba bbb bbo bbt bbx boa bob boo bot box bta btb bto btt btx bxb bxo bxx oaa oab oao oat oax ob- oba obb obo obt obx oo- ooa oob ooo oot oox ot- ota otb oto ott ox- oxa oxb oxo oxt oxx t-x taa tab tao tat tax tba tbb tbo tbt to- toa tob too tot tox tta ttb tto ttt ttx txt xaa xat xbx xoa xoo xot xox xtx xxo xxx

aaaa aaab aaba aabb aabt aaoo aata aatt abaa abab abat abax abb- abba abbb abbo abbt aboa abob aboo abot abox abta aoba at-t at-x ataa atab atat atax atob atot atta atto axat axo- axoa axto axxo ba-x baaa baat baba babb babo bata bato batt baxt bbbb bbox boab boat boba bobb bobo boob boot boox bota botb boto bott boxa btaa btob bttb obba obbo obot obox ooaa ooba oooo ootb oto- otoo otta otto oxa- oxo- oxox oxxo taa- taat taba tabb tabo taoa tata tatb tato tatt tax- taxa taxo taxt tbox tbta toab toat toba tobo tobt tooa toot tota toto tott tox- toxa toxo toxt ttab ttbb tttt txaa xbox xoxo xxxo xxxx

-aaa- a-box aaata aabaa aabba abaab ababa abbat abbot aboab aboat abobo aboot abott abtaa abtao ataxx atbat atoot atoto atto- baata babax baboo babot batab batat batob batoo batta batto bo-bo booat booba boota bootx botox botta obaba obata ooooo otoba ototo t-box ta-ta taabo tabat tabo- taboo tabot tataa tatao tatoo tatta tatto taxo- tbtbt tobat tobot toto- totoo totta toxo- ttttt x-box xatax xato xotox xoxox

aaaaba abbott at-bat ataaba baabaa baobab batata bbbbbb boabab bobota booboo botota oooooo tabata tabbat taboot taobao taobat taotao tataat tatoba tattat tattoo toatoa tobata toboot tootat tootoo totota toxbot xoxoxo

attatba batabat batboat batoata bbbbbbb boo-boo o-o-a-a obox-ob oxoboxo tat-tat too-too totoaba tototoo xxxxxxx

bbbbbbbb bo-bo-bo toottoot xoxoxoxo

baabaabaa

tat-tat-tat

xxxxxxxxxxxx

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