a-a a-b a-c aaa aab aac aau aax ab- aba abb abc abu abx ac- aca acb acc acu acx au- aua aub auc aux ax- axa axx b-u baa bab bac bau bax bba bbb bbc bbu bbx bca bcb bcc bcu bcx bua bub buc buu bux bxb bxx c-- caa cab cac cau cax cba cbb cbc cbu cbx cca ccb ccc ccu ccx cua cub cuc cuu cxc cxx ua- uaa uab uac uau uba ubb ubc ubu ubx uca ucb ucc ucu uua uuc uuu uxb uxc uxu xaa xac xau xbc xbx xcb xcx xxx

aaaa aaab aaac aaba aabb aabc aaca aacb aacc aacu abaa abab abac abau abax abb- abba abbb abca abcb abcc abua acaa acab acac acba acca accc accu acu- auaa auca auxa ba-x baaa baba babb babu bac- baca bacc bau- baux bbau bbbb bcaa bcbc bcca bccc bcuc buba bubb bubu buca bucc bucu buxa caaa caab caac caba cabu cac- caca cacc cauc caux caxa cbac cbax cbbc cbca cbcc cbcu cbux cbxa ccaa ccab ccac ccba ccbc ccca cccb cccc cccu ccuc cuau cub- cuba cubb cuca cucc cxxx uabc uaca uaua ubac ubba ucbc ucca ucua uuuu xuxa xuxu xxxx

-aaa- aabaa aabba aacbc abaab ababa ababu abaca abbac abccc acaca acacb acaua accub acuba auaxa babau babax bacab bacax bacca bacu bubba bucca c-a-c ca-ca caaba cacau cacu cauac cauca ccccc cuaba cubub uuuuu xucau

aaaaba abacab aucuba baabaa babacu bacaba bacau baucau bbbbbb bububu cabucu caxaca uacaba ucuuba

abacua bac-cab bau-bau bbbbbbb cauaua xxxxxxx

bbbbbbbb bu-ba-bu

abbabubba baabaabaa

xxxxxxxxxxxx

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb ccccccccccccccc