-er a-a a-c aaa aac aae aag aah aam aao aar aas ac- aca acc ace acg ach acm aco acr acs aea aec aee aeg aeh aem aeo aer aes ag- aga agc age agg agh agm ago agr ags aha ahc ahe ahg ahh ahm aho ahr ahs ama amc ame amg amh amm amo amr ams aoa aoc aoe aog aoh aom aoo aor aos ar- ara arc are arg arh arm aro arr ars as- asa asc ase asg ash asm aso asr ass c-- caa cac cae cag cah cam cao car cas cca ccc cce ccg cch ccm cco ccr ccs ce- cea cec cee ceg ceh cem ceo cer ces cga cgc cge cgg cgh cgm cgo cgr cgs ch- cha chc che chg chh chm cho chr chs cma cmc cme cmg cmh cmm cmo cmr cms co- coa coc coe cog coh com coo cor cos cra crc cre crg crh crm cro crr crs csa csc cse csg csh csm cso csr css eaa eac eae eag eah eam eao ear eas ec- eca ecc ece ecg ech ecm eco ecr ecs eea eec eee eeg eem eeo eer ees ega egc ege egg egh egm ego egr egs eha ehc ehe ehg ehh ehm eho ehr ehs em- ema emc eme emg emh emm emo emr ems eo- eoa eoc eoe eog eoh eom eoo eor eos era erc ere erg erh erm ero err ers es- esa esc ese esg esh esm eso esr ess gaa gac gae gag gah gam gao gar gas gca gcc gce gcg gch gcm gco gcr gcs ge- gea gec gee geg geh gem geo ger ges gga ggc ggg ggh ggm ggo ggr ggs gha ghc ghe ghg ghh gho ghr ghs gma gmc gme gmg gmh gmm gmo gmr gms goa goc goe gog goh gom goo gor gos gra grc gre grg grh grm gro grr grs gsa gsc gse gsg gsm gso gsr gss haa hac hae hag hah ham hao har has hca hcc hce hcg hch hcm hco hcr hcs he- hea hec hee heg heh hem heo her hes hga hgc hge hgg hgh hgm hgo hgr hgs hha hhc hhe hhg hhh hhm hho hhr hhs hma hmc hme hmg hmh hmm hmo hmr hms hoa hoc hoe hog hoh hom hoo hor hos hr- hra hrc hre hrg hrh hrm hro hrr hrs hsa hsc hse hsg hsh hsm hsr hss m-o m-r maa mac mae mag mah mam mao mar mas mc- mca mcc mce mcg mch mcm mco mcr mcs mea mec mee meg meh mem meo mer mes mga mgc mge mgh mgm mgo mgr mgs mha mhc mhg mhh mhm mho mhr mhs mma mmc mme mmg mmh mmm mmo mmr mms moa moc moe mog moh mom moo mor mos mra mrc mre mrg mrh mrm mro mrr mrs msa msc mse msg msh msm mso msr mss oaa oac oae oag oah oam oao oar oas oc- oca occ ocg och ocm oco ocr ocs oea oec oee oeg oeh oem oeo oer oes oga ogc oge ogg ogh ogo ogs oha ohc ohe ohg ohh ohm oho ohr ohs om- oma omc ome omg omh omm omo omr oms oo- ooa ooc oog ooh oom ooo oor oos or- ora orc ore org orh orm oro orr ors os- osa osc ose osg osh osm oso osr oss ra- raa rac rae rag rah ram rao rar ras rca rcc rce rcg rch rcm rco rcr rcs re- rea rec ree reg reh rem reo rer res rga rgc rge rgg rgh rgo rgr rgs rh- rha rhc rhe rhg rhh rhm rho rhr rhs rma rmc rme rmg rmh rmm rmo rmr rms roa roc roe rog roh rom roo ror ros rra rrc rrg rrh rrm rrr rrs rsa rsc rse rsg rsh rsm rso rsr rss saa sac sae sag sah sam sao sar sas sca scc sce scg sch scm sco scr scs se- sea sec see seg seh sem seo ser ses sga sgc sge sgg sgh sgm sgo sgr sgs sh- sha shc she shg shh shm sho shr shs sma smc sme smg smh smm smo smr sms soa soc soe sog soh som soo sor sos sr- sra src sre srg srh srm sro srr srs ss- ssa ssc sse ssg ssh ssm sso ssr sss