a-a a-b a-c aaa aab aac aav ab- aba abb abc abv ac- aca acb acc acv av- ava avb avc baa bab bac bav bba bbb bbc bca bcb bcc bcv bva bvb bvc bvv c-- caa cab cac cav cba cbb cbc cbv cca ccb ccc ccv cva cvb cvc cvv v-a vaa vab vac vav vba vbc vbv vca vcc vva vvb vvc vvv

-vac aaaa aaab aaac aaav aaba aabb aabc aaca aacb aacc aacv aava abaa abab abac abb- abba abbb abca abcb abcc abva acaa acab acac acba acca accc acvv avab avcc avva baaa baba babb bac- baca bacc bava bbbb bcaa bcbc bcca bccc caaa caab caac caba cac- caca cacc cava cbac cbbc cbca cbcc cbvb ccaa ccab ccac ccba ccbc ccca cccb cccc cccv cvac cvca cvcc vaca vava vbcc vvvv

-aaa- aabaa aabba aacbc abaab ababa abaca abava abbac abccc acaca acacb baava bacab bacca c-a-c ca-ca caaba cavac ccccc vacca

aaaaba abacab baabaa bacaba bbbbbb vvvvvv

bac-cab bbbbbbb

bbbbbbbb

baabaabaa

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb ccccccccccccccc