a-a a-b a-c aaa aab aac aag aao aas aav ab- aba abb abc abg abo abs abv ac- aca acb acc acg aco acs acv ag- aga agb agc agg ago ags agv aoa aob aoc aog aoo aos aov as- asa asb asc asg aso ass asv av- ava avb avc avg avo avs baa bab bac bag bao bas bav bba bbb bbc bbg bbo bbs bca bcb bcc bcg bco bcs bcv bga bgb bgc bgg bgo bgs bgv boa bob boc bog boo bos bov bsa bsb bsc bsg bso bss bsv bva bvb bvc bvg bvo bvs bvv c-- caa cab cac cag cao cas cav cba cbb cbc cbg cbo cbs cbv cca ccb ccc ccg cco ccs ccv cga cgb cgc cgg cgo cgs cgv co- coa cob coc cog coo cos cov csa csb csc csg cso css csv cva cvb cvc cvg cvo cvs cvv gaa gab gac gag gao gas gav gba gbc gbg gbo gbs gbv gca gcb gcc gcg gco gcs gga ggb ggc ggg ggo ggs ggv goa gob goc gog goo gos gov gsa gsb gsc gsg gso gss gsv gva gvb gvc gvg gvo gvs oaa oab oac oag oao oas oav ob- oba obb obc obg obo obs obv oc- oca ocb occ ocg oco ocs ocv oga ogc ogg ogo ogs oo- ooa oob ooc oog ooo oos oov os- osa osb osc osg oso oss osv ov- ova ovb ovc ovo ovs ovv saa sab sac sag sao sas sav sba sbb sbc sbg sbo sbs sbv sca scb scc scg sco scs scv sga sgb sgc sgg sgo sgs sgv soa sob soc sog soo sos sov ss- ssa ssb ssc ssg sso sss ssv sva svb svc svg svo svs svv v-a vaa vab vac vag vao vas vav vba vbc vbg vbo vbs vbv vca vcc vco vcs vga vgc vgg vgo vgs voa vob voc vog voo vos vov vsa vsb vsc vsg vso vss vsv vva vvb vvc vvg vvo vvs vvv

-vac aaaa aaab aaac aaas aaav aaba aabb aabc aaca aacb aacc aaco aacs aacv aaoo aasa aasc aass aava abaa abab abac abag abas abb- abba abbb abbo abbs abca abcb abcc abcs aboa abob aboo abos abov abs- absa abss abva acaa acab acac acag acas acba acca accc acco accs acga acgs acoa acog acos acsa acsc acss acvs acvv ag-o agac agag agao agas agav agba agbo agca agcc agco agga agob agog agoo agos agsa agsg agva aoba aoca aocs aoss asaa asab asac asag asao asas asba asbo asc- asca ascb ascc asco asob asoc asog asos assa assc asso asss asva asvs avab avao avas avcc avco avgo avgs avos avva avvo baaa baas baba babb babo babs bac- baca bacc baco bacs baga bagg bago bags baos basa basc baso bass bava bbas bbbb bbbs bbga bcaa bcas bcbc bcbg bcbs bcca bccc bccs bcgs bcos bcsa bcsc bcss bcvo bgca bggs boab boac boag boas boba bobb bobo bobs boca boco bocs boga bogg bogo bogs boob booc boog boos bosa bosc boso boss bova bovo bsaa bsac bsas bscs bsgs bsos bssc bvsc c-bo caaa caab caac caas caba cabg cabo cabs cac- caca cacc caco caga cagg cago cags caos casa casb casc caso cass cava cavo cavs cbac cbbc cbbs cbca cbcc cbcs cbga cbgb cbsa cbsc cbva cbvb cbvg ccaa ccab ccac ccag ccas ccba ccbc ccca cccb cccc cccs cccv ccga ccgc ccgs ccob ccoc ccsa ccsg ccss ccvo ccvs cgac cgas cgcc cgcg cggs cgsb cgss coag coas coba cobb cobo cobs coca coco cogo cogs coob coos cosa cosc coso coss cova covo csaa csab csac csao csas csav cscb cscc csco cscs csob csos cssa cvac cvas cvbs cvca cvcc cvss gaas gaba gabb gabo gabs gaga gagg gago gags gaos gasa gasb gasc gaso gass gava gbag gbas gbbo gbbs gc-c gcaa gcbc gccc gccs gcoa gcos gcov gcss gggg ggss goas goba gobo gobs goca goga gogo gogs goog goos goso goss govs gsab gsoc gsos gvcs gvvv oasc oass oavs obas obba obbo obos obss obvs ocab ocac ocas ocbc occa occc ocga ocos ocsa ogb ogba ogoa ogog ooaa ooba oooo ooos oosa osag osas osba osca oscc osco osoo osos osov ossa ossb osso ovcs ovo- ovoo s-os sa-c saab saac saag saas saba sabb sabc sabo sabs saca sacc saco sacs saga sagg sago sags saos sasa sasc saso sass sava savo savs sbaa sbac sbas sbbs sbca sbcc sbcs sbsa scaa scab scac scag scas scba sccc sccs scgs scob scog scoo scsa scsc scso sgaa sgac sgca sgcb sgcg sggg sggs sgss sgsv soas soba sobo sobs soca soco socs soga sogo sogs soog soos sosa soso soss sosv sova sovo sovs ssaa ssab ssac ssao ssas ssca sscc sscs ssgs ssoc sssa sssb sssc ssss svcc svcs svsc vaas vabs vaca vaco vacs vag- vaga vagg vags vas- vasa vaso vass vava vavs vbcc vgcc voca voga vooc voog vosa voso voss vssc vvob vvog vvsb vvvv

-aaa- a-vsb aaaas aaaoc aaasa aaass aabaa aabba aabga aacbc aacos aacsa aacsb aacss aacvs abaab ababa ababs abaca abaco abacs abaga abago abasa abass abava abbac abbas abbos abcas abccc aboab abobo aboso abovo acaca acacb acass accas acccg acoss agago agava aggag agogo agoos aooga aoos asaba asabc asaco asaga asasa asava asbca asbos ascao asco- ascog asocs asoga asosa assab assac assas assoa assoc assos asvab avago avgas avoca avsa b-cas baava babas babbs baboo babos bacab bacao bacas bacca bacco bacos bagac bagag bagao bagas bagga baggs basab basca basco basgo baso- basov bassa basso bo-bo boaco bobac boboc bobos bobov bocac bocao bocas bocca bocoa bocsa bogga boggs bogos booba boobs booco boosa bosas bosco boscs bossa bosso bsaba bscco c-a-c c-gas ca-ca caaba cabas cabob caboc cabos cabov cacao cacas caco- cacoa cacso caoba casas