-er a-a a-c aaa aac aae aag aah aam aan aar ac- aca acc ace acg ach acm acn acr aea aec aee aeg aeh aem aen aer ag- aga agc age agg agh agm agn agr aha ahc ahe ahg ahh ahm ahn ahr ama amc ame amg amh amm amn amr an- ana anc ane ang anh anm ann anr ar- ara arc are arg arh arm arn arr c-- caa cac cae cag cah cam can car cca ccc cce ccg cch ccm ccn ccr ce- cea cec cee ceg ceh cem cen cer cga cgc cge cgg cgh cgm cgn cgr ch- cha chc che chg chh chm chn chr cma cmc cme cmg cmh cmm cmn cmr cn- cna cnc cne cng cnh cnm cnn cnr cra crc cre crg crh crm crn crr eaa eac eae eag eah eam ean ear ec- eca ecc ece ecg ech ecm ecn ecr eea eec eee eeg eem een eer ega egc ege egg egh egm egn egr eha ehc ehe ehg ehh ehm ehn ehr em- ema emc eme emg emh emm emn emr en- ena enc ene eng enh enm enn enr era erc ere erg erh erm ern err gaa gac gae gag gah gam gan gar gca gcc gce gcg gch gcm gcn gcr ge- gea gec gee geg geh gem gen ger gga ggc ggg ggh ggm ggn ggr gha ghc ghe ghg ghh ghn ghr gma gmc gme gmg gmh gmm gmn gmr gna gnc gne gnm gnn gnr gra grc gre grg grh grm grn grr haa hac hae hag hah ham han har hca hcc hce hcg hch hcm hcn hcr he- hea hec hee heg heh hem hen her hga hgc hge hgg hgh hgm hgn hgr hha hhc hhe hhg hhh hhm hhn hhr hma hmc hme hmg hmh hmm hmr hna hnc hne hng hnh hnn hr- hra hrc hre hrg hrh hrm hrn hrr m-r maa mac mae mag mah mam man mar mc- mca mcc mce mcg mch mcm mcn mcr mea mec mee meg meh mem men mer mga mgc mge mgh mgm mgn mgr mha mhc mhg mhh mhm mhn mhr mma mmc mme mmg mmh mmm mmn mmr mna mnc mne mng mnm mnn mnr mra mrc mre mrg mrh mrm mrn mrr naa nac nae nag nah nam nan nar nca ncc nce ncg nch ncm ncn ncr ne- nea nec nee neg neh nem nen ner nga ngc nge ngg ngh ngm ngn nha nhc nhe nhg nhh nhm nhn nhr nma nmc nme nmg nmh nmm nmn nmr nna nnc nne nng nnh nnm nnn nra nrc nre nrg nrm nrn nrr ra- raa rac rae rag rah ram ran rar rca rcc rce rcg rch rcm rcn rcr re- rea rec ree reg reh rem ren rer rga rgc rge rgg rgh rgn rgr rh- rha rhc rhe rhg rhh rhm rhn rhr rma rmc rme rmg rmh rmm rmn rmr rna rnc rng rnh rnm rnn rnr rra rrc rrg rrh rrm rrn rrr