a-a a-b a-t aaa aab aao aat aav ab- aba abb abo abt abv aoa aob aoo aot aov at- ata atb ato att atv av- ava avb avo avt baa bab bao bat bav bba bbb bbo bbt boa bob boo bot bov bta btb bto btt btv bva bvb bvo bvt bvv oaa oab oao oat oav ob- oba obb obo obt obv oo- ooa oob ooo oot oov ot- ota otb oto ott otv ov- ova ovb ovo ovv taa tab tao tat tav tba tbb tbo tbt tbv to- toa tob too tot tov tta ttb tto ttt ttv tva tvb tvo tvt v-a vaa vab vao vat vav vba vbo vbv voa vob voo vot vov vta vtb vto vtt vtv vva vvb vvo vvt vvv

aaaa aaab aaav aaba aabb aabt aaoo aata aatt aava abaa abab abat abb- abba abbb abbo abbt aboa abob aboo abot abov abta abva aoba at-t ataa atab atat atob atot atta atto avab avao avat avot avva avvo baaa baat baba babb babo bata bato batt bava bbbb boab boat boba bobb bobo boob boot bota botb boto bott bova bovo btaa btob bttb obba obbo obot ooaa ooba oooo ootb oto- otoo otov otta otto ovo- ovoo ovot taa- taat taba tabb tabo taoa tata tatb tato tatt tatv tava tavo tbta toab toat toba tobo tobt tooa toot tota toto tott tova tovo ttab ttbb tttt tvtv vaat vata vato vatt vava voat voot vota voto vvob vvvv

-aaa- aaata aabaa aabba abaab ababa abava abbat abbot aboab aboat abobo aboot abott abovo abtaa abtao atbat atoot atoto atto- avato baata baava baboo babot batab batat batob batoo batov batta batto bo-bo bobov booat booba boota botta obaba obata obava ooooo oovoo otava otoba ototo ottov ovata ta-ta taabo tabat tabo- taboo tabot tataa tatao tatoo tatta tatto tbtbt tobat tobot toto- totoo totta ttttt v-bob vatav vatoa vatta vatva votto

aaaaba abbott at-bat ataaba avtovo baabaa babovo baobab batata batova batovo bbbbbb boabab bobota bobova bobovo booboo botota botovo oooooo ottava ovato- tabata tabbat taboot taobao taobat taotao tataat tatoba tattat tattoo tattva toatoa tobata toboot tootat tootoo totota tovata v-boat vaovao vatava vatvat votava vvvvvv

attatba batabat batboat batoata bbbbbbb boo-boo bottovo o-o-a-a tat-tat too-too totoaba tototoo

bbbbbbbb bo-bo-bo obovato- toottoot

baabaabaa

tat-tat-tat

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb