a-a a-b a-c aaa aab aac aaj aao aas aau ab- aba abb abc abj abo abs abu ac- aca acb acc acj aco acs acu aja ajb ajc ajj ajo ajs aju aoa aob aoc aoj aoo aos aou as- asa asb asc asj aso ass asu au- aua aub auc auj auo aus b-u baa bab bac baj bao bas bau bba bbb bbc bbo bbs bbu bca bcb bcc bcj bco bcs bcu bja bjc bjj bjs bju boa bob boc boj boo bos bou bsa bsb bsc bsj bso bss bsu bua bub buc buj buo bus buu c-- c-j caa cab cac caj cao cas cau cba cbb cbc cbj cbo cbs cbu cca ccb ccc ccj cco ccs ccu cja cjb cjc cjs co- coa cob coc coj coo cos cou csa csb csc csj cso css csu cua cub cuc cuo cus cuu jaa jab jac jaj jao jas jau jba jbc jbj jbo jbs jbu jca jcb jcc jco jcs jcu jja jjb jjc jjj jjs jju joa job joc joj joo jos jou jsa jsb jsc jsj jso jss jsu jub juo jus oaa oab oac oaj oao oas oau ob- oba obb obc obj obo obs obu oc- oca ocb occ ocj oco ocs ocu oja ojb ojc ojo ojs oju oo- ooa oob ooc ooo oos os- osa osb osc osj oso oss osu ou- oua ouc ouo ous saa sab sac saj sao sas sau sba sbb sbc sbj sbo sbs sbu sca scb scc scj sco scs scu sja sjb sjc sjj sjs sju soa sob soc soj soo sos sou ss- ssa ssb ssc ssj sso sss ssu sua sub suc suo sus suu ua- uaa uab uac uaj uao uas uau uba ubb ubc ubo ubs ubu uca ucb ucc ucj uco ucs ucu ujc ujo ujs uoa uob uoc uoj uoo uos usa usb usc usj uso uss usu uua uuc uus uuu

-ous aaaa aaab aaac aaas aaba aabb aabc aaca aacb aacc aaco aacs aacu aaoo aasa aasc aass aasu aaus abaa abab abac abaj abas abau abb- abba abbb abbo abbs abca abcb abcc abcs abjs aboa abob aboo abos abou abs- absa abss absu abua abus acaa acab acac acas acba acca accc acco accs accu acoa acos acou acsa acsc acss acu- acuo acus ajab ajac ajao ajas ajba ajob ajoo ajou ajss aoba aoca aocs aoss aous asaa asab asac asao asas asau asba asbo asbu asc- asca ascb ascc ascj asco asja asob asoc asos asou assa assc asso asss assu asub asus auaa auca auja aujs ausa ausu baaa baas baba babb babo babs babu bac- baca bacc baco bacs baja bajs baju baos basa basc baso bass basu bau- bbas bbau bbbb bbbs bcaa bcas bcbc bcbs bcca bccc bccs bcos bcsa bcsc bcss bcuc bjcc bjoa boab boac boas boba bobb bobo bobs bobu boca boco bocs bocu bojo boju boob booc boos bosa bosc boso boss bosu boua bous bsaa bsac bsas bscs bsos bssc buba bubb bubo bubs bubu buca bucc buco bucs bucu buja bujo buju busa busc buss busu buus c-bo caaa caab caac caas caba cabo cabs cabu cac- caca cacc caco caja caju caos casa casb casc caso cass casu cauc cauo caus cbac cbbc cbbs cbca cbcc cbcs cbcu cbsa cbsc cbus ccaa ccab ccac ccas ccba ccbc ccca cccb cccc cccs cccu ccjo ccob ccoc ccsa ccss ccuc ccus cjbc cjca cjcb cjcj cjcs cjob cjsb cjss coas coba cobb cobo cobs cobu coca coco cocu cojo coob coos cosa cosc coso coss coua coub cous csaa csab csac csao csas cscb cscc csco cscs csob csos cssa csua csus cuau cub- cuba cubb cubs cuca cucc cujo cuju cusa cusb cuso cuss cusu jaas jaba jabo jabs jaca jacc jaco jacs jacu jaja jaju jasa jasc jaso jass jaus jbaa jbob jcbc jccc jcss jjcc joab joao joba jobo jobs jobu joca joco jocu jojo joos josa joso joss jous jsss juab juba jubu juca juco jucu juja juju juss oaau oasc oass obas obba obbo obja obos obss obus ocab ocac ocas ocbc occa occc ocos ocsa ojas ojos ojus ooaa ooba oooo ooos oosa oous osas osba osca oscc osco osoo osos ossa ossb osso ossu ouac oubs oucc ouju ousa ouu- s-os sa-c saab saac saaj saas saba sabb sabc sabo sabs sabu saca sacc saco sacs sacu saja saos saou sasa sasc saso sass saua sauc saus sbaa sbac sbas sbbs sbca sbcc sbcs sbsa sbus scaa scab scac scas scba sccc sccs scob scoo scsa scsc scso scsu scua scub sjab sjac sjcc sjcs sjoa sjsu soas soba sobo sobs sobu soca soco socs soja soju soos sosa soso soss sous ssaa ssab ssac ssao ssas ssau ssca sscc sscs ssoc sssa sssb sssc ssss suas sub- suba subb subj subo subs suc- succ sucs suos sus- susa suso suss susu suus uabc uaca uaoc uasa uaua ubac ubba ubbo ubja uboc ubos ucas ucbc ucca ucos ucsa ucsb ucsc ucsj ucsu ucua uocc us-a usaa usac usas usba usbc usbs usca uscc usco uscs usjc usoc usos ussa ussb ussc usss ussu usua usus uuoc uuuu

-aaa- aaaas aaaoc aaasa aaass aabaa aabba aacbc aacjc aacos aacsa aacsb aacss aacus abaab ababa ababs ababu abaca abaco abacs abaja abajo abasa abass abbac abbaj abbas abbos abbou abcas abccc aboab abobo aboso abous abuja acaca acacb acass acaua accas accub accus acoss acou- acoua acouo acuba acusa ajaja ajoba aoos asaba asabc asaco asasa asbca asbos ascao asco- ascou ascus asocs asosa assab assac assas assoa assoc assos asubs auass aubas aucas aujac aujus aussa b-cas baaja babas babau babbs baboo babos babou babus bacab bacao bacas bacca bacco bacos bacu bajaj bajau bajc bajsa bajus basab basca basco baso- bassa basso bassu basuo baubo bbuss bo-bo boaco bobac boboc bobos bocac bocaj bocao bocas bocca bocoa bocsa bocus booba