-al a-a a-b a-c aaa aab aac aak aal ab- aba abb abc abk abl ac- aca acb acc ack acl aka akb akc akk akl al- ala alb alc alk all baa bab bac bak bal bba bbb bbc bbk bbl bca bcb bcc bck bcl bka bkb bkc bkk bkl bla blb blc blk bll c-- caa cab cac cak cal cba cbb cbc cbk cbl cca ccb ccc cck ccl cka ckb ckc cl- cla clb clc clk cll ka- kaa kab kac kak kal kba kbb kbc kbk kbl kca kcb kcc kck kcl kkb kkc kkk kkl kl- kla klb klc la- laa lab lac lak lal lba lbb lbc lbk lbl lca lcb lcc lck lcl lka lkb lkl lla llb llc llk lll

a-ak aaaa aaab aaac aaal aaba aabb aabc aabl aaca aacb aacc aack aacl aaka aala aalc aall abaa abab abac abak abal abb- abba abbb abca abcb abcc abcl abla acaa acab acac acba acbl acca accc acla aclc akaa akal akca akka alaa alac alak alal alb- alba albc alca alcc alk- alka alkb all- alla alll baaa baak baal baba babb bac- baca bacc back bak- baka bakl bala balc balk ball bbbb bblb bcaa bcbc bcca bccc bccl blaa blab blac blak blkb caaa caab caac caal caba cac- caca cacc cack caka cala calc calk call cbac cbal cbbc cbca cbcc cbcl cbka cbkl cblb cblc ccaa ccab ccac ccba ccbc ccca cccb cccc cccl ccla cclc ckac ckbc ckck ckcl clab kaaa kaab kaak kaal kaba kabb kabc kacb kacc kacl kaka kakc kakk kala kalb kalc kalk kall kbaa kbab kbac kbak kbal kbba kbbb kbbc kbbk kbbl kbca kbcb kbck kbcl kbkb kbkk kbkl kbla kblb kbll kcaa kcab kcac kcal kcba kcbc kcbk kcbl kcca kccb kccc kcck kccl kckc kckk kckl kcla kclc kclk kcll kkaa kkac kkal kkba kkbb kkbl kkcb kkck kkcl kkkk kklb kklc kkll klaa klab klac klak klal klbb klbc klbl klca klcb klcc klck klcl klka klkc klkk klkl klla kllb kllc kllk laaa laac laak laal laba laca lacc lack lacl laka lala lall lbcc lcac lcbc lcca lccc lkab lkal llcc lllc llll

-aaa- aabaa aabba aacbc abaab ababa abaca aback abaka abala aball abbac abccc ablak acaca acacb acack acala acall aclla akaba akala alaba alaca alack alaka alala albac albal alka- allal baalc babak babka bacab bacca back- backa bakal bakka bakla balac balak balal balca balck balka balla bball blaca blacc black c-a-c ca-ca caaba cabal cacak calc- calca calla callb ccccc clack clacl kaaba kaala kabaa kabab kabak kabal kabba kakka kalaa kalab kalac kalba kalca kalka kalla kcalb kcalc la-la labab labak labba lacca lacka lakka lalab lalla lball

aaaaba aaalac aaccla abacab abalak abbala ackack akalla akbaba akkaba akkala al-ala al-bab alakal albala alcala b-ball baabaa babala bacaba bacal bacall backal bakala balaca balaka balcak ballal bbbbbb caala caback cabala caball cakcak calaba calaca calla- callac clacka kaback kabaka kabala kakkak kalaba kalaka kalala kalkal kallal laalaa lablab lalala

ack-ack allball bac-cab bacabal bal-bal balbala ballack bbbbbbb caballa cabback cabbala ka-bala kabbala kacabac kalabak lab-lab

alcabala allblack balabala bbbbbbbb blaablaa blackcab callacab callback kabalaba kalabaka kalakala lakalaka

abakabaka baabaabaa blaa-blaa blackball cackalack call-back

black-ball blackblack blackkcalb

clack-clack

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb ccccccccccccccc