-er a-a a-c aaa aac aae aag aah aam aar aas ac- aca acc ace acg ach acm acr acs aea aec aee aeg aeh aem aer aes ag- aga agc age agg agh agm agr ags aha ahc ahe ahg ahh ahm ahr ahs ama amc ame amg amh amm amr ams ar- ara arc are arg arh arm arr ars as- asa asc ase asg ash asm asr ass c-- caa cac cae cag cah cam car cas cca ccc cce ccg cch ccm ccr ccs ce- cea cec cee ceg ceh cem cer ces cga cgc cge cgg cgh cgm cgr cgs ch- cha chc che chg chh chm chr chs cma cmc cme cmg cmh cmm cmr cms cra crc cre crg crh crm crr crs csa csc cse csg csh csm csr css eaa eac eae eag eah eam ear eas ec- eca ecc ece ecg ech ecm ecr ecs eea eec eee eeg eem eer ees ega egc ege egg egh egm egr egs eha ehc ehe ehg ehh ehm ehr ehs em- ema emc eme emg emh emm emr ems era erc ere erg erh erm err ers es- esa esc ese esg esh esm esr ess gaa gac gae gag gah gam gar gas gca gcc gce gcg gch gcm gcr gcs ge- gea gec gee geg geh gem ger ges gga ggc ggg ggh ggm ggr ggs gha ghc ghe ghg ghh ghr ghs gma gmc gme gmg gmh gmm gmr gms gra grc gre grg grh grm grr grs gsa gsc gse gsg gsm gsr gss haa hac hae hag hah ham har has hca hcc hce hcg hch hcm hcr hcs he- hea hec hee heg heh hem her hes hga hgc hge hgg hgh hgm hgr hgs hha hhc hhe hhg hhh hhm hhr hhs hma hmc hme hmg hmh hmm hmr hms hr- hra hrc hre hrg hrh hrm hrr hrs hsa hsc hse hsg hsh hsm hsr hss m-r maa mac mae mag mah mam mar mas mc- mca mcc mce mcg mch mcm mcr mcs mea mec mee meg meh mem mer mes mga mgc mge mgh mgm mgr mgs mha mhc mhg mhh mhm mhr mhs mma mmc mme mmg mmh mmm mmr mms mra mrc mre mrg mrh mrm mrr mrs msa msc mse msg msh msm msr mss ra- raa rac rae rag rah ram rar ras rca rcc rce rcg rch rcm rcr rcs re- rea rec ree reg reh rem rer res rga rgc rge rgg rgh rgr rgs rh- rha rhc rhe rhg rhh rhm rhr rhs rma rmc rme rmg rmh rmm rmr rms rra rrc rrg rrh rrm rrr rrs rsa rsc rse rsg rsh rsm rsr rss saa sac sae sag sah sam sar sas sca scc sce scg sch scm scr scs se- sea sec see seg seh sem ser ses sga sgc sge sgg sgh sgm sgr sgs sh- sha shc she shg shh shm shr shs sma smc sme smg smh smm smr sms sr- sra src sre srg srh srm srr srs ss- ssa ssc sse ssg ssh ssm ssr sss