a-a a-b a-c a-z aaa aab aac aan aaz ab- aba abb abc abn abz ac- aca acb acc acn acz an- ana anb anc ann anz az- aza azb azn azz baa bab bac ban baz bba bbb bbc bbn bca bcb bcc bcn bcz bna bnb bnc bnn bnz bza bzn bzz c-- caa cab cac can caz cba cbb cbc cbn cbz cca ccb ccc ccn ccz cn- cna cnb cnc cnn cz- czc naa nab nac nan naz nba nbb nbc nbn nca ncb ncc ncn nna nnb nnc nnn nnz nzb nzz zaa zab zac zan zaz zbb zbc znc znn zzz

-ana aaaa aaab aaac aaan aaba aabb aabc aaca aacb aacc aacn aana abaa abab abac aban abb- abba abbb abca abcb abcc abcn abza acaa acab acac acan acba acca accc ana- anaa anab anac anan anaz anba anbb anca ancc anna annb anza aza- azab azan azaz azca azna azza baaa baan baaz baba babb bac- baca bacc bacn bacz bana banc bann banz baza bbbb bcaa bcbc bcca bccc bzzz caaa caab caac caan caba cac- caca cacc cana canc cann canz caza cbac cbbc cbca cbcc cbcn cbna ccaa ccab ccac ccba ccbc ccbn ccca cccb cccc ccna ccnb ccnc cnaa cnac cnbc cnna cnnz naaa naab naac naan naba nabc naca nacc nan- nana nanb nann naza nazz nbaa nbbc nbca nbcc ncaa ncac ncba ncbc ncca nccc nccn ncna ncnc nnnn nzcc zaan zaba zaca zana zann zaza zzzz

-aaa- aabaa aabba aacbc abaab ababa abaca abana abanc abann abaza abbac abban abcan abccc abzac abzan acaca acacb acana anaba anana anban annan anzab anzac anzan anzca azaca azana aznab baban bacab bacca bacza banan banaz banba banca banna banza bazac bazan bazna c-a-c ca-ca caaan caaba caban canan canna cazaa cazac ccccc cnnnn naban nabba nacaa nacac nacba naccc nacna nanan nann- nanna nazan nazca nazza za-za zaban zanac zanna zanza zzzzz

aaaaba aaaanz aazaan abaana abacab abanca abbana anaana anabaa ananab annaba azzaba azzana baabaa babana bacaba banaba banana bannan bazana bbbbbb c-anca cabaan cabana cabban canaa canaan canaba cancan cannan cazcan cazzan nacnac nanana nanban nannan nanzan naznaz nzanza zabaan zababa zabana zanana zanzan zazaca zazana

an-naba bac-cab bananaz bancabc bannana bbbbbbb cabanac can-can nabanna nan-nan

bbbbbbbb nananana zannanza

abba-zaba baabaabaa

na-nana-na

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb bzzzzzzzzzzzzzz ccccccccccccccc