-er a-a a-c aaa aac aae aag aah aam aar ac- aca acc ace acg ach acm acr aea aec aee aeg aeh aem aer ag- aga agc age agg agh agm agr aha ahc ahe ahg ahh ahm ahr ama amc ame amg amh amm amr ar- ara arc are arg arh arm arr c-- caa cac cae cag cah cam car cca ccc cce ccg cch ccm ccr ce- cea cec cee ceg ceh cem cer cga cgc cge cgg cgh cgm cgr ch- cha chc che chg chh chm chr cma cmc cme cmg cmh cmm cmr cra crc cre crg crh crm crr eaa eac eae eag eah eam ear ec- eca ecc ece ecg ech ecm ecr eea eec eee eeg eem eer ega egc ege egg egh egm egr eha ehc ehe ehg ehh ehm ehr em- ema emc eme emg emh emm emr era erc ere erg erh erm err gaa gac gae gag gah gam gar gca gcc gce gcg gch gcm gcr ge- gea gec gee geg geh gem ger gga ggc ggg ggh ggm ggr gha ghc ghe ghg ghh ghr gma gmc gme gmg gmh gmm gmr gra grc gre grg grh grm grr haa hac hae hag hah ham har hca hcc hce hcg hch hcm hcr he- hea hec hee heg heh hem her hga hgc hge hgg hgh hgm hgr hha hhc hhe hhg hhh hhm hhr hma hmc hme hmg hmh hmm hmr hr- hra hrc hre hrg hrh hrm hrr m-r maa mac mae mag mah mam mar mc- mca mcc mce mcg mch mcm mcr mea mec mee meg meh mem mer mga mgc mge mgh mgm mgr mha mhc mhg mhh mhm mhr mma mmc mme mmg mmh mmm mmr mra mrc mre mrg mrh mrm mrr ra- raa rac rae rag rah ram rar rca rcc rce rcg rch rcm rcr re- rea rec ree reg reh rem rer rga rgc rge rgg rgh rgr rh- rha rhc rhe rhg rhh rhm rhr rma rmc rme rmg rmh rmm rmr rra rrc rrg rrh rrm rrr