-er c-- ccc cce ccg ccm ccn ccr ccs ce- cec cee ceg cem cen cer ces cgc cge cgg cgm cgn cgr cgs cmc cme cmg cmm cmn cmr cms cn- cnc cne cng cnm cnn cnr cns crc cre crg crm crn crr crs csc cse csg csm csn csr css ec- ecc ece ecg ecm ecn ecr ecs eec eee eeg eem een eer ees egc ege egg egm egn egr egs em- emc eme emg emm emn emr ems en- enc ene eng enm enn enr ens erc ere erg erm ern err ers es- esc ese esg esm esn esr ess gcc gce gcg gcm gcn gcr gcs ge- gec gee geg gem gen ger ges ggc ggg ggm ggn ggr ggs gmc gme gmg gmm gmn gmr gms gnc gne gnm gnn gnr gns grc gre grg grm grn grr grs gsc gse gsg gsm gsn gsr gss m-r mc- mcc mce mcg mcm mcn mcr mcs mec mee meg mem men mer mes mgc mge mgm mgn mgr mgs mmc mme mmg mmm mmn mmr mms mnc mne mng mnm mnn mnr mns mrc mre mrg mrm mrn mrr mrs msc mse msg msm msn msr mss ncc nce ncg ncm ncn ncr ncs ne- nec nee neg nem nen ner nes ngc nge ngg ngm ngn ngs nmc nme nmg nmm nmn nmr nms nnc nne nng nnm nnn nns nrc nre nrg nrm nrn nrr nrs nsc nse nsg nsm nsn nsr nss rcc rce rcg rcm rcn rcr rcs re- rec ree reg rem ren rer res rgc rge rgg rgn rgr rgs rmc rme rmg rmm rmn rmr rms rnc rng rnm rnn rnr rns rrc rrg rrm rrn rrr rrs rsc rse rsg rsm rsn rsr rss scc sce scg scm scn scr scs se- sec see seg sem sen ser ses sgc sge sgg sgm sgn sgr sgs smc sme smg smm smn smr sms snc sne sng snm snn snr sns sr- src sre srg srm srn srr srs ss- ssc sse ssg ssm ssn ssr sss