-al a-a a-b a-c a-z aaa aab aac aal aaz ab- aba abb abc abl abz ac- aca acb acc acl acz al- ala alb alc all alz az- aza azb azz baa bab bac bal baz bba bbb bbc bbl bca bcb bcc bcl bcz bla blb blc bll blz bza bzz c-- caa cab cac cal caz cba cbb cbc cbl cbz cca ccb ccc ccl ccz cl- cla clb clc cll clz cz- czc la- laa lab lac lal laz lba lbb lbc lbl lca lcb lcc lcl lla llb llc lll llz zaa zab zac zaz zbb zbc zbl zcl zla zzz

aaaa aaab aaac aaal aaba aabb aabc aabl aaca aacb aacc aacl aala aalc aall abaa abab abac abal abb- abba abbb abca abcb abcc abcl abla abza acaa acab acac acba acbl acca accc acla aclc alaa alac alal alaz alb- alba albc alca alcc all- alla alll alza aza- azab azal azaz azca azza baaa baal baaz baba babb bac- baca bacc bacz bala balc ball baza bbbb bblb bcaa bcbc bcca bccc bccl blaa blab blac blaz bzzz caaa caab caac caal caba cac- caca cacc cala calc call caza cbac cbal cbbc cbca cbcc cbcl cblb cblc ccaa ccab ccac ccba ccbc ccca cccb cccc cccl ccla cclc clab laaa laac laal laba laca lacc lacl lala lall laza lbcc lcac lcbc lcca lccc llcc lllc llll zaal zaba zaca zal zala zaza zzzz

-aaa- aabaa aabba aacbc abaab ababa abaca abala aball abaza abbac abccc abzac abzal acaca acacb acala acall aclla alaba alaca alala albac albal allal azaca azala baalc bacab bacca bacza balac balal balaz balca balla ballz balza bazac bball blaaz blaca blacc c-a-c ca-ca caaba cabal calc- calca calla callb calza cazaa cazac cazal ccccc clacl la-la labab labaz labba lacca lacza lalab lalla lazac lball za-za zalla zzzzz

aaaaba aaalac aaccla abacab abbala al-ala al-bab albala alcala azzaba b-ball baabaa babala bacaba bacal bacall balaca ballal bbbbbb caala cabala caball calaba calaca calla- callac laalaa lablab lalala zababa zabala zalaba zalaca zazaca

allball bac-cab bacabal bal-bal balbala bbbbbbb caballa cabbala lab-lab lazzaza zabalza zalzala

alcabala alcazaba balabala bbbbbbbb blaablaa calabaza callacab zabalaza

abba-zaba baabaabaa blaa-blaa

az-zalzala

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb bzzzzzzzzzzzzzz ccccccccccccccc