a-a a-b a-c aaa aab aac aak aau ab- aba abb abc abk abu ac- aca acb acc ack acu aka akb akc akk aku au- aua aub auc auk b-u baa bab bac bak bau bba bbb bbc bbk bbu bca bcb bcc bck bcu bka bkb bkc bkk bua bub buc buk buu c-- caa cab cac cak cau cba cbb cbc cbk cbu cca ccb ccc cck ccu cka ckb ckc cua cub cuc cuk cuu ka- kaa kab kac kak kau kba kbb kbc kbk kbu kca kcb kcc kck kcu kkb kkc kkk kku kub kuc kuk kuu ua- uaa uab uac uak uau uba ubb ubc ubk ubu uca ucb ucc uck ucu uka ukb ukc ukk uku uua uuc uuu

a-ak aaaa aaab aaac aaba aabb aabc aaca aacb aacc aack aacu aaka aaku abaa abab abac abak abau abb- abba abbb abca abcb abcc abua abuk acaa acab acac acba acca accc accu acu- akaa akca akka akku akua auaa auca baaa baak baba babb babu bac- baca bacc back bak- baka baku bau- bauk bbau bbbb bcaa bcbc bcca bccc bcuc buba bubb bubu buca bucc buck bucu buka bukk buku caaa caab caac caba cabu cac- caca cacc cack caka cauc cauk cbac cbbc cbca cbcc cbcu cbka ccaa ccab ccac ccba ccbc ccca cccb cccc cccu ccuc ckac ckbc ckck cuau cub- cuba cubb cuca cucc cuck cuk- cuka kaaa kaab kaak kaba kabb kabc kabu kacb kacc kacu kaka kakc kakk kaku kau- kaub kauc kauk kbaa kbab kbac kbak kbba kbbb kbbc kbbk kbbu kbca kbcb kbck kbcu kbkb kbkk kbua kbub kbuc kbuk kbuu kcaa kcab kcac kcau kcba kcbc kcbk kcbu kcca kccb kccc kcck kccu kckc kckk kcua kcub kcuk kkaa kkac kkba kkbb kkcb kkck kkkk kkua kkuu kuac kuau kuba kubb kubc kubu kuca kucb kucc kuka kukk kuku kuub kuuk kuuu uabc uaca uaua ubac ubba ucak ucbc ucca ucka ucua ukba ukcc uuuu

-aaa- aabaa aabba aacbc abaab ababa ababu abaca aback abaka abbac abccc acaca acacb acack acaua accub acuba akaba akbuk akkub akuku babak babau babka bacab bacca back- backa bacu bakau bakka bubba bubka bucak bucca bucku bukac bukk- c-a-c ca-ca caaba cacak cacau cacu cauac cauca ccccc cuaba cubub cucuk kaaba kaabu kabaa kabab kabak kabba kabua kakau kakka kakku kuaka kubau kubba kucuk kukak kukka kukua uuuuu

aaaaba abacab ackack akbaba akkaba akuaba akuaku aucuba baabaa babacu bacaba bacau baucau bbbbbb buback bububu buckau bukaua caback cabucu cakcak kaback kabaka kabuku kakkak kaukau kubaba uacaba ucuuba

abacua abakua ack-ack aku-aku bac-cab bau-bau bbbbbbb cabback cauaua cubukcu kacabac kaukaba

bbbbbbbb bu-ba-bu buckbuck kakababu kukukuku

abakabaka abbabubba baabaabaa

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb ccccccccccccccc