a-a a-b aaa aab aag aah aam aao aar aas ab- aba abb abg abh abm abo abr abs ag- aga agb agg agh agm ago agr ags aha ahb ahg ahh ahm aho ahr ahs ama amb amg amh amm amo amr ams aoa aob aog aoh aom aoo aor aos ar- ara arb arg arh arm aro arr ars as- asa asb asg ash asm aso asr ass baa bab bag bah bam bao bar bas bba bbb bbg bbh bbm bbo bbr bbs bga bgb bgg bgh bgm bgo bgr bgs bha bhb bhg bhh bhm bho bhr bhs bma bmb bmg bmh bmm bmo bmr bms boa bob bog boh bom boo bor bos bra brb brg brh brm bro brr brs bsa bsb bsg bsh bsm bso bsr bss gaa gab gag gah gam gao gar gas gba gbg gbh gbm gbo gbr gbs gga ggb ggg ggh ggm ggo ggr ggs gha ghb ghg ghh gho ghr ghs gma gmb gmg gmh gmm gmo gmr gms goa gob gog goh gom goo gor gos gra grb grg grh grm gro grr grs gsa gsb gsg gsm gso gsr gss haa hab hag hah ham hao har has hba hbb hbg hbh hbm hbo hbr hbs hga hgb hgg hgh hgm hgo hgr hgs hha hhb hhg hhh hhm hho hhr hhs hma hmb hmg hmh hmm hmo hmr hms hoa hob hog hoh hom hoo hor hos hr- hra hrb hrg hrh hrm hro hrr hrs hsa hsb hsg hsh hsm hsr hss m-o m-r maa mab mag mah mam mao mar mas mba mbb mbg mbh mbm mbo mbr mbs mga mgb mgh mgm mgo mgr mgs mha mhg mhh mhm mho mhr mhs mma mmb mmg mmh mmm mmo mmr mms moa mob mog moh mom moo mor mos mra mrb mrg mrh mrm mro mrr mrs msa msb msg msh msm mso msr mss oaa oab oag oah oam oao oar oas ob- oba obb obg obh obm obo obr obs oga ogg ogh ogo ogs oha ohg ohh ohm oho ohr ohs om- oma omb omg omh omm omo omr oms oo- ooa oob oog ooh oom ooo oor oos or- ora orb org orh orm oro orr ors os- osa osb osg osh osm oso osr oss ra- raa rab rag rah ram rao rar ras rba rbb rbg rbh rbm rbo rbr rbs rga rgb rgg rgh rgo rgr rgs rh- rha rhb rhg rhh rhm rho rhr rhs rma rmb rmg rmh rmm rmo rmr rms roa rob rog roh rom roo ror ros rra rrb rrg rrh rrm rrr rrs rsa rsb rsg rsh rsm rso rsr rss saa sab sag sah sam sao sar sas sba sbb sbg sbh sbm sbo sbr sbs sga sgb sgg sgh sgm sgo sgr sgs sh- sha shb shg shh shm sho shr shs sma smb smg smh smm smo smr sms soa sob sog soh som soo sor sos sr- sra srb srg srh srm sro srr srs ss- ssa ssb ssg ssh ssm sso ssr sss