a-a a-b a-c aaa aab aac aag aak aam aao aas ab- aba abb abc abg abk abm abo abs ac- aca acb acc acg ack acm aco acs ag- aga agb agc agg agk agm ago ags aka akb akc akg akk akm ako aks ama amb amc amg amk amm amo ams aoa aob aoc aog aok aom aoo aos as- asa asb asc asg ask asm aso ass baa bab bac bag bak bam bao bas bba bbb bbc bbg bbk bbm bbo bbs bca bcb bcc bcg bck bcm bco bcs bga bgb bgc bgg bgk bgm bgo bgs bka bkb bkc bkg bkk bkm bko bks bma bmb bmc bmg bmk bmm bmo bms boa bob boc bog bok bom boo bos bsa bsb bsc bsg bsk bsm bso bss c-- caa cab cac cag cak cam cao cas cba cbb cbc cbg cbk cbm cbo cbs cca ccb ccc ccg cck ccm cco ccs cga cgb cgc cgg cgm cgo cgs cka ckb ckc ckm cko cks cma cmb cmc cmg cmk cmm cmo cms co- coa cob coc cog cok com coo cos csa csb csc csg csk csm cso css gaa gab gac gag gak gam gao gas gba gbc gbg gbk gbm gbo gbs gca gcb gcc gcg gck gcm gco gcs gga ggb ggc ggg ggm ggo ggs gka gkb gkm gko gks gma gmb gmc gmg gmm gmo gms goa gob goc gog gok gom goo gos gsa gsb gsc gsg gsk gsm gso gss ka- kaa kab kac kag kak kam kao kas kba kbb kbc kbk kbm kbo kbs kca kcb kcc kcg kck kcm kcs kga kgb kgc kgm kgo kgs kkb kkc kkk kkm kks kma kmb kmc kmg kmk kmm kmo kms koa kob koc kog kok kom koo kos ksa ksb ksc ksg ksk ksm kso kss m-o maa mab mac mag mak mam mao mas mba mbb mbc mbg mbk mbm mbo mbs mc- mca mcb mcc mcg mck mcm mco mcs mga mgb mgc mgk mgm mgo mgs mka mkb mkc mkg mkk mkm mko mks mma mmb mmc mmg mmk mmm mmo mms moa mob moc mog mok mom moo mos msa msb msc msg msk msm mso mss oaa oab oac oag oak oam oao oas ob- oba obb obc obg obk obm obo obs oc- oca ocb occ ocg ock ocm oco ocs oga ogc ogg ogo ogs oka okb okc okg okk oko oks om- oma omb omc omg omm omo oms oo- ooa oob ooc oog ook oom ooo oos os- osa osb osc osg osk osm oso oss saa sab sac sag sak sam sao sas sba sbb sbc sbg sbk sbm sbo sbs sca scb scc scg sck scm sco scs sga sgb sgc sgg sgk sgm sgo sgs sk- ska skb skc skg skk skm sko sks sma smb smc smg smk smm smo sms soa sob soc sog sok som soo sos ss- ssa ssb ssc ssg ssk ssm sso sss

a-ak a-ok aaaa aaab aaac aaam aaas aaba aabb aabc aabm aaca aacb aacc aack aacm aaco aacs aaka aama aamb aamc aamo aams aaoo aasa aasc aasm aass abaa abab abac abag abak abam abas abb- abba abbb abbo abbs abca abcb abcc abcs abma abmb abmc abms aboa abob abok aboo abos abs- absa abss acaa acab acac acag acas acba acca accc accm acco accs acga acgs acks acma acmc acmg acms acoa acog acom acos acsa acsc acsm acss ag-o agac agag agam agao agas agba agbo agca agcc agco agga agma agmc agms agob agog agoo agos agsa agsg agsm akaa akam akao akas akca akka akko akok akom akos aksa amaa amac amag amam amas amb- amba ambo ambs amca amcc amco amcs amga amka amm- amma ammo amob amoc amog amok amoo amos amsa amsc amso amss aoba aoca aocs aogm aoks aoma aomg aoss asaa asab asac asag asak asam asao asas asba asbm asbo asc- asca ascb ascc asco aska asko asks asma asmm asms asob asoc asog asok asom asos assa assc assk asso asss baaa baak baam baas baba babb babm babo babs bac- baca bacc back baco bacs baga bagg bago bags bak- baka bako baks bama bamb bamc bamm bams baos basa basc bask baso bass bbas bbbb bbbs bbcm bbga bbgm bbmg bcaa bcam bcas bcbc bcbg bcbs bcca bccc bccm bccs bcgs bcma bcms bcos bcsa bcsc bcsm bcss bgca bggs bmaa bmag bmgs bmoc boab boac boag boak boas boba bobb bobo bobs boca bock bocm boco bocs boga bogg bogo bogs boka boko boks boma bomb boms boob booc boog book boom boos bosa bosc bosk bosm boso boss bsaa bsac bsam bsas bscs bsgs bsms bsos bssc bssm c-bo caaa caab caac caam caas caba cabg cabo cabs cac- caca cacc cack cacm caco caga cagg cago cags caka cama camb camc camk camm camo cams caos casa casb casc cask casm caso cass cbac cbbc cbbs cbca cbcc cbcm cbcs cbga cbgb cbka cbkg cbkm cbko cbms cbsa cbsc cbsm ccaa ccab ccac ccag ccam ccas ccba ccbc ccca cccb cccc cccm cccs ccga ccgc ccgs cckm ccma ccmb ccmc ccmm ccms ccob ccoc ccom ccsa ccsg ccss cgac cgas cgcc cgcg cggs cgmc cgsb cgsm cgss ckac ckbc ckck ckcm ckco ckcs ckga ckgm ckgo ckmo ckoa ckob ckoc ckom ckoo ckos cksa cksb ckso cmaa cmac cmas cmba cmbc cmbs cmcc cmcs cmmb cmmc cmms cmoc cmos cmsa cmsc coag coak coas coba cobb cobo cobs coca cock coco cogo cogs cok- coka coko com- coma comb comc comm como coms coob cook coom coos cosa cosc cosm coso coss csaa csab csac csak csao csas csbm cscb cscc csco cscs cska csks csma csmc csob csom csos cssa cssm gaas gaba gabb gabo gabs gack gaga gagg gago gags gam- gama gamb gamm gamo gams gaos gasa gasb gasc