a-a a-b a-c aaa aab aac aaf aan ab- aba abb abc abf abn ac- aca acb acc acf acn af- afa afb afc aff afn an- ana anb anc anf ann baa bab bac baf ban bba bbb bbc bbf bbn bca bcb bcc bcf bcn bfa bfb bfc bff bfn bna bnb bnc bnf bnn c-- caa cab cac caf can cba cbb cbc cbf cbn cca ccb ccc ccf ccn cfa cfb cfc cff cfn cn- cna cnb cnc cnf cnn faa fab fac faf fan fba fbb fbc fbf fbn fca fcb fcc fcf fcn ffa ffc fff ffn fna fnb fnc fnf fnn naa nab nac naf nan nba nbb nbc nbf nbn nca ncb ncc ncf ncn nfa nfb nfc nff nfn nna nnb nnc nnf nnn

-ana aaaa aaab aaac aaaf aaan aaba aabb aabc aaca aacb aacc aacf aacn aafa aafb aafc aaff aana abaa abab abac abaf aban abb- abba abbb abca abcb abcc abcf abcn abff acaa acab acac acan acba acca accc accf acfc afaa afan afca afcb afcc affa affc ana- anaa anab anac anan anba anbb anca ancc anfa anna annb baaa baaf baan baba babb bac- baca bacc bacn bafc baff bana banc bann bbbb bbfc bbfn bcaa bcbc bcca bccc bcfc bfca caaa caab caac caaf caan caba cabf cac- caca cacc cafa cafb cafc caff cana canc cann cbac cbbc cbca cbcc cbcn cbfb cbfc cbna ccaa ccab ccac ccaf ccba ccbc ccbn ccca cccb cccc cccf ccfa ccfc ccff ccna ccnb ccnc ccnf cfaa cfab cfac cfbc cfbn cfca cfcb cfcf cfcn cffb cfnb cnaa cnac cnbc cnfa cnna faaa faac faan faba faca facc fafa fafc faff fana fanc fcab fcba fcca fccf ffcc ffff fnac naaa naab naac naan naba nabc nabf naca nacc nacf nafa nafc naff nan- nana nanb nann nbaa nbaf nbbc nbca nbcc nbfa nbfc ncaa ncac ncba ncbc ncca nccc nccf nccn ncfc ncna ncnc nfaa nfff nnnn

-aaa- aabaa aabba aacbc abaab ababa abaca abana abanc abann abbac abban abcan abccc abfab acaca acacb acana acnff afanc afnan anaba anana anban annan baban bacab bacca bafan baffa bafna banaf banan banba banca banfa banff banna c-a-c ca-ca caaan caaba caban caffa canan canna ccccc cnnfn cnnnn fanaa fanac fanca fancf fanna fcaca naban nabba nacaa nacac nacba naccc nacfc nacna nafca nanan nann- nanna nnfcc

aaaaba abaana abacab abanca abbana anaana anabaa ananab annaba baabaa babana bacaba bafana banaba banana bannan bbbbbb c-anca cabaan cabana cabban cafcaf canaa canaan canaba cancan cannan fanfan nacnac nafana nanana nanban nannan

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

bbbbbbbb nananana

baabaabaa

na-nana-na

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb ccccccccccccccc