a-a a-b a-c aaa aab aac aas aau ab- aba abb abc abs abu ac- aca acb acc acs acu as- asa asb asc ass asu au- aua aub auc aus b-u baa bab bac bas bau bba bbb bbc bbs bbu bca bcb bcc bcs bcu bsa bsb bsc bss bsu bua bub buc bus buu c-- caa cab cac cas cau cba cbb cbc cbs cbu cca ccb ccc ccs ccu csa csb csc css csu cua cub cuc cus cuu saa sab sac sas sau sba sbb sbc sbs sbu sca scb scc scs scu ss- ssa ssb ssc sss ssu sua sub suc sus suu ua- uaa uab uac uas uau uba ubb ubc ubs ubu uca ucb ucc ucs ucu usa usb usc uss usu uua uuc uus uuu

aaaa aaab aaac aaas aaba aabb aabc aaca aacb aacc aacs aacu aasa aasc aass aasu aaus abaa abab abac abas abau abb- abba abbb abbs abca abcb abcc abcs abs- absa abss absu abua abus acaa acab acac acas acba acca accc accs accu acsa acsc acss acu- acus asaa asab asac asas asau asba asbu asc- asca ascb ascc assa assc asss assu asub asus auaa auca ausa ausu baaa baas baba babb babs babu bac- baca bacc bacs basa basc bass basu bau- bbas bbau bbbb bbbs bcaa bcas bcbc bcbs bcca bccc bccs bcsa bcsc bcss bcuc bsaa bsac bsas bscs bssc buba bubb bubs bubu buca bucc bucs bucu busa busc buss busu buus caaa caab caac caas caba cabs cabu cac- caca cacc casa casb casc cass casu cauc caus cbac cbbc cbbs cbca cbcc cbcs cbcu cbsa cbsc cbus ccaa ccab ccac ccas ccba ccbc ccca cccb cccc cccs cccu ccsa ccss ccuc ccus csaa csab csac csas cscb cscc cscs cssa csua csus cuau cub- cuba cubb cubs cuca cucc cusa cusb cuss cusu sa-c saab saac saas saba sabb sabc sabs sabu saca sacc sacs sacu sasa sasc sass saua sauc saus sbaa sbac sbas sbbs sbca sbcc sbcs sbsa sbus scaa scab scac scas scba sccc sccs scsa scsc scsu scua scub ssaa ssab ssac ssas ssau ssca sscc sscs sssa sssb sssc ssss suas sub- suba subb subs suc- succ sucs sus- susa suss susu suus uabc uaca uasa uaua ubac ubba ucas ucbc ucca ucsa ucsb ucsc ucsu ucua us-a usaa usac usas usba usbc usbs usca uscc uscs ussa ussb ussc usss ussu usua usus uuuu

-aaa- aaaas aaasa aaass aabaa aabba aacbc aacsa aacsb aacss aacus abaab ababa ababs ababu abaca abacs abasa abass abbac abbas abcas abccc acaca acacb acass acaua accas accub accus acuba acusa asaba asabc asasa asbca ascus assab assac assas asubs auass aubas aucas aussa b-cas babas babau babbs babus bacab bacas bacca bacu basab basca bassa bassu bbuss bsaba bubas bubba bucca bucsa bucsu busaa busca bussa bussu busua busuu c-a-c c-bus ca-ca caaba cabas cabus cacas cacau cacu cacus casas casca casus cauac cauas cauca causa ccass ccccc csaba cuaba cubas cubub s-bus saaba saabs saasa saasu sabac sabas sabau sabca sabsa sabus sacas sacc- sacca sacsa sasca sassa sauba sauca scabs sccbc scsaa scuba scusa sscac sssss suasa subba subbu subss sucua susac susus us-sc usaas usabc ussac usuba uuuuu

aaaaba ababsa abacab abacas abacus abassa abbasa abbass abscss abubus abusua acacus acasa assacu aucuba ausbbs aussac baabaa babacu bacaba bacau baccus bassac bassus baucau bbbbbb bubbas bububu busaca bussac cabasa cabucu casaba casbaa cascas cassab caucas caucus causus cuscus cussac sabbac sabbas sacaba sacasa saccus sacsac sascab sass-c scubas ssabsa succus sussac uacaba ubussu ucuuba usausa ususau

aaasuss abacua abusuas asaccus aucubas babassu bac-cab bau-bau bbbbbbb bcaucus busauca casabas cassaba cauaua cuscusu sssssss subbass succuba succuss

abbassus babassus bbbbbbbb bu-ba-bu cassabas caucasus sassacus sub-bass succubus

abbabubba baabaabaa cuss-cuss usausausa

casabababa

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb ccccccccccccccc