a-a a-b a-c a-z aaa aab aac aak aan aaz ab- aba abb abc abk abn abz ac- aca acb acc ack acn acz aka akb akc akk akn an- ana anb anc ank ann anz az- aza azb azn azz baa bab bac bak ban baz bba bbb bbc bbk bbn bca bcb bcc bck bcn bcz bka bkb bkc bkk bkn bna bnb bnc bnk bnn bnz bza bzn bzz c-- caa cab cac cak can caz cba cbb cbc cbk cbn cbz cca ccb ccc cck ccn ccz cka ckb ckc cn- cna cnb cnc cnn cz- czc czk k-z ka- kaa kab kac kak kan kaz kba kbb kbc kbk kbn kbz kca kcb kcc kck kcn kkb kkc kkk kkn kn- kna knc knk knn naa nab nac nak nan naz nba nbb nbc nbk nbn nca ncb ncc nck ncn nka nkc nkk nkn nna nnb nnc nnk nnn nnz nzb nzz zaa zab zac zak zan zaz zbb zbc zka znc znn zzz

-ana a-ak aaaa aaab aaac aaan aaba aabb aabc aaca aacb aacc aack aacn aaka aana abaa abab abac abak aban abb- abba abbb abca abcb abcc abcn abza acaa acab acac acan acba acca accc akaa akan akca akka akna ana- anaa anab anac anak anan anaz anba anbb anca ancc ank- anka anna annb anza aza- azab azan azaz azca azna azza baaa baak baan baaz baba babb bac- baca bacc back bacn bacz bak- baka bana banc bank bann banz baza bbbb bcaa bcbc bcca bccc bzzz caaa caab caac caan caba cac- caca cacc cack caka cana canc cank cann canz caza cbac cbbc cbca cbcc cbcn cbka cbkn cbna ccaa ccab ccac ccba ccbc ccbn ccca cccb cccc ccna ccnb ccnc ckac ckan ckbc ckck cknb cknc cnaa cnac cnbc cnna cnnz kaaa kaab kaak kaan kaba kabb kabc kabz kacb kacc kacz kaka kakc kakk kakn kana kanb kann kanz kaza kazc kazn kazz kbaa kbab kbac kbak kbaz kbba kbbb kbbc kbbk kbbz kbca kbcb kbck kbcz kbkb kbkk kbkz kbna kbnn kbzc kbzn kbzz kcaa kcab kcac kcba kcbc kcbk kcca kccb kccc kcck kckc kckk kckn kckz kcnb kcnz kczz kkaa kkac kkan kkba kkbb kkbn kkbz kkcb kkck kkcn kkkk kknb kknn kkzn kkzz knaa knab knac knan knaz knba knbb knbc knbn knbz knca kncb knck kncn knkk knnb knnk knnz knz knza knzz kzan kzaz kzbb kzbk kzbz kzkz kzna kznb kznc kznk kznn kzza kzzb kzzk kzzn kzzz naaa naab naac naan naba nabc nabk naca nacc nack naka nan- nana nanb nann naza nazz nbaa nbak nbbc nbca nbcc ncaa ncac ncba ncbc ncca nccc nccn ncna ncnc nnnn nzcc zaan zaba zaca zack zaka zakk zana zann zaza znak zzzz

-aaa- aabaa aabba aacbc abaab ababa abaca aback abaka abana abanc abank abann abaza abbac abban abcan abccc abnak abzac abzan acaca acacb acack acana akaba akana akaza akban anaba anack anaka anana anban ankaa annan anzab anzac anzan anzca azaca azaka azana aznab babak baban babka bacab bacca back- backa backn bacza bakan bakka banak banan banaz banba banca banck banka banna banza bazac bazan bazna c-a-c ca-ca caaan caaba caban cacak canan canna cazaa cazac ccccc cnnnn kaaba kabaa kabab kabak kaban kabba kakan kakka kanab kanak kanka kanna kazaa kazak kazan kazaz kbank knack naaak naban nabba nacaa nacac nacba naccc nacka nacna nakaz nakba nanak nanan nanka nann- nanna nazak nazan nazca nazza nkana za-za zabak zaban zabka zakan zakka zanac zanka zanna zanza zzzzz

aaaaba aaaanz aazaan abaana abacab abakan abanca abbana ackack akbaba akbank akkaba anaana anabaa ananab annaba azanak azzaba azzana baabaa babana bacaba banaba banana bannan bazana bbbbbb c-anca cabaan caback cabana cabban cakcak canaa canaan canaba cancan cannan cazcan cazzan k-bank kaakan kaback kabaka kabana kabzaa kaczka kakana kakkak kana-a kanaan kanaka kanana kanban kank-a kankan kannan kazann kazkan kaznac kazzaz n-back nacnac nakkna naknak nanaka nanana nanban nannan nanzan naznaz nzanza zabaan zababa zabaka zabana zanana zanzan zazaca zazana

ack-ack an-naba annbank azkaban babakan babanka bac-cab bananaz bancabc bannack bannana bbbbbbb cabanac cabback can-can cazaban kacabac kacanka kakaban kanacka kazanka nabanna nan-nan nanbaka zanzack

bakbakan bbbbbbbb kanakkan nananana zannanza

abakabaka abba-zaba baabaabaa

na-nana-na

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb bzzzzzzzzzzzzzz ccccccccccccccc