a-a a-b a-c aaa aab aac aao aas aau aav ab- aba abb abc abo abs abu abv ac- aca acb acc aco acs acu acv aoa aob aoc aoo aos aou aov as- asa asb asc aso ass asu asv au- aua aub auc auo aus auv av- ava avb avc avo avs avu b-u baa bab bac bao bas bau bav bba bbb bbc bbo bbs bbu bca bcb bcc bco bcs bcu bcv boa bob boc boo bos bou bov bsa bsb bsc bso bss bsu bsv bua bub buc buo bus buu bva bvb bvc bvo bvs bvu bvv c-- caa cab cac cao cas cau cav cba cbb cbc cbo cbs cbu cbv cca ccb ccc cco ccs ccu ccv co- coa cob coc coo cos cou cov csa csb csc cso css csu csv cua cub cuc cuo cus cuu cuv cva cvb cvc cvo cvs cvu cvv oaa oab oac oao oas oau oav ob- oba obb obc obo obs obu obv oc- oca ocb occ oco ocs ocu ocv oo- ooa oob ooc ooo oos oov os- osa osb osc oso oss osu osv ou- oua ouc ouo ous ov- ova ovb ovc ovo ovs ovv saa sab sac sao sas sau sav sba sbb sbc sbo sbs sbu sbv sca scb scc sco scs scu scv soa sob soc soo sos sou sov ss- ssa ssb ssc sso sss ssu ssv sua sub suc suo sus suu suv sva svb svc svo svs svu svv ua- uaa uab uac uao uas uau uav uba ubb ubc ubo ubs ubu ubv uca ucb ucc uco ucs ucu ucv uoa uob uoc uoo uos usa usb usc uso uss usu usv uua uuc uus uuu uva uvb uvc uvo uvs uvu uvv v-a vaa vab vac vao vas vau vav vba vbc vbo vbs vbv vca vcc vco vcs vcu voa vob voc voo vos vou vov vsa vsb vsc vso vss vsu vsv vus vuv vva vvb vvc vvo vvs vvv

-ous -vac aaaa aaab aaac aaas aaav aaba aabb aabc aaca aacb aacc aaco aacs aacu aacv aaoo aasa aasc aass aasu aaus aava abaa abab abac abas abau abb- abba abbb abbo abbs abca abcb abcc abcs aboa abob aboo abos abou abov abs- absa abss absu abua abus abva acaa acab acac acas acba acca accc acco accs accu acoa acos acou acsa acsc acss acu- acuo acus acvs acvv aoba aoca aocs aoss aous asaa asab asac asao asas asau asba asbo asbu asc- asca ascb ascc asco asob asoc asos asou assa assc asso asss assu asub asus asva asvs auaa auca ausa ausu auvs avab avao avas avcc avco avos avou avus avva avvo baaa baas baba babb babo babs babu bac- baca bacc baco bacs baos basa basc baso bass basu bau- bava bavu bbas bbau bbbb bbbs bcaa bcas bcbc bcbs bcca bccc bccs bcos bcsa bcsc bcss bcuc bcvo boab boac boas boba bobb bobo bobs bobu boca boco bocs bocu boob booc boos bosa bosc boso boss bosu boua bous bova bovo bsaa bsac bsas bscs bsos bssc buba bubb bubo bubs bubu buca bucc buco bucs bucu busa busc buss busu buus bvsc c-bo caaa caab caac caas caba cabo cabs cabu cac- caca cacc caco caos casa casb casc caso cass casu cauc cauo caus cava cavo cavs cavu cbac cbbc cbbs cbca cbcc cbcs cbcu cbsa cbsc cbus cbva cbvb ccaa ccab ccac ccas ccba ccbc ccca cccb cccc cccs cccu cccv ccob ccoc ccsa ccss ccuc ccus ccvo ccvs coas coba cobb cobo cobs cobu coca coco cocu coob coos cosa cosc coso coss coua coub cous cova covo csaa csab csac csao csas csav cscb cscc csco cscs csob csos cssa csua csus cuau cub- cuba cubb cubs cuca cucc cusa cusb cuso cuss cusu cvac cvas cvbs cvca cvcc cvss oaau oasc oass oavs obas obba obbo obos obss obus obvs ocab ocac ocas ocbc occa occc ocos ocsa ooaa ooba oooo ooos oosa oous osas osba osca oscc osco osoo osos osov ossa ossb osso ossu ouac oubs oucc ousa ouu- ovcs ovo- ovoo s-os sa-c saab saac saas saba sabb sabc sabo sabs sabu saca sacc saco sacs sacu saos saou sasa sasc saso sass saua sauc saus sava savo savs savu sbaa sbac sbas sbbs sbca sbcc sbcs sbsa sbus scaa scab scac scas scba sccc sccs scob scoo scsa scsc scso scsu scua scub soas soba sobo sobs sobu soca soco socs soos sosa soso soss sosv sous sova sovo sovs sovu ssaa ssab ssac ssao ssas ssau ssca sscc sscs ssoc sssa sssb sssc ssss suas sub- suba subb subo subs suc- succ sucs suos sus- susa suso suss susu suus suva suvs svcc svcs svsc uabc uaca uaoc uasa uaua uavs ubac ubba ubbo uboc ubos ucas ucav ucbc ucca ucos ucsa ucsb ucsc ucsu ucua uocc uovo us-a usaa usac usas usba usbc usbs usca uscc usco uscs usoc usos usov ussa ussb ussc usss ussu usua usus uuoc uuuu uv-a uv-b uv-c uvaa uvac uvas uvvu vaas vabs vaca vaco vacs vas- vasa vaso vass vasu vaus vava vavs vbcc voca vooc vosa voso voss vosu vous vssc vuca vuco vvob vvsb vvvv

-aaa- a-vsb aaaas aaaoc aaasa aaass aabaa aabba aacbc aacos aacsa aacsb aacss aacus aacvs abaab ababa ababs ababu abaca abaco abacs abasa abass abava abbac abbas abbos abbou abcas abccc aboab abobo aboso abous abovo acaca acacb acass acaua accas accub accus acoss acou- acoua acouo acuba acusa aoos asaba asabc asaco asasa asava asbca asbos ascao asco- ascou ascus asocs asosa assab assac assas assoa assoc assos asubs asvab auass aubas aucas aussa avoca avous avouu avsa b-cas baava babas babau babbs baboo babos babou babus bacab bacao bacas bacca bacco bacos bacu basab basca basco baso- basov bassa basso bassu basuo baubo bbuss bo-bo boaco bobac boboc bobos bobov bocac bocao bocas