a-a a-b a-c aaa aab aac aao aav ab- aba abb abc abo abv ac- aca acb acc aco acv aoa aob aoc aoo aov av- ava avb avc avo baa bab bac bao bav bba bbb bbc bbo bca bcb bcc bco bcv boa bob boc boo bov bva bvb bvc bvo bvv c-- caa cab cac cao cav cba cbb cbc cbo cbv cca ccb ccc cco ccv co- coa cob coc coo cov cva cvb cvc cvo cvv oaa oab oac oao oav ob- oba obb obc obo obv oc- oca ocb occ oco ocv oo- ooa oob ooc ooo oov ov- ova ovb ovc ovo ovv v-a vaa vab vac vao vav vba vbc vbo vbv vca vcc vco voa vob voc voo vov vva vvb vvc vvo vvv

-vac aaaa aaab aaac aaav aaba aabb aabc aaca aacb aacc aaco aacv aaoo aava abaa abab abac abb- abba abbb abbo abca abcb abcc aboa abob aboo abov abva acaa acab acac acba acca accc acco acoa acvv aoba aoca avab avao avcc avco avva avvo baaa baba babb babo bac- baca bacc baco bava bbbb bcaa bcbc bcca bccc bcvo boab boac boba bobb bobo boca boco boob booc bova bovo c-bo caaa caab caac caba cabo cac- caca cacc caco cava cavo cbac cbbc cbca cbcc cbva cbvb ccaa ccab ccac ccba ccbc ccca cccb cccc cccv ccob ccoc ccvo coba cobb cobo coca coco coob cova covo cvac cvca cvcc obba obbo ocab ocac ocbc occa occc ooaa ooba oooo ovo- ovoo vaca vaco vava vbcc voca vooc vvob vvvv

-aaa- aaaoc aabaa aabba aacbc abaab ababa abaca abaco abava abbac abccc aboab abobo abovo acaca acacb avoca baava baboo bacab bacao bacca bacco bo-bo boaco bobac boboc bobov bocac bocao bocca bocoa booba booco c-a-c ca-ca caaba cabob caboc cacao caco- cacoa caoba cavac ccccc co-bo co-co coava cocao cocc- cocco cocoa cooba obaba obava obcov ocova ooooo oovoo ovca ovoca v-bob vacca vacoa vacov vocab vocca

aaaaba abacab baabaa babaco babovo bacaba baobab bbbbbb boabab bobova bobovo boccob bococa booboo caccao cavaco cobbob cocco- cococo coocoo oooooo vaovao vvvvvv

bac-cab bbbbbbb bobovac boo-boo cavacoa o-o-a-a

bbbbbbbb bo-bo-bo

baabaabaa

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb ccccccccccccccc