-er c-- ccc cce ccg ccl ccm ccr ccs ce- cec cee ceg cel cem cer ces cgc cge cgg cgl cgm cgr cgs cl- clc cle clg cll clm clr cls cmc cme cmg cml cmm cmr cms crc cre crg crl crm crr crs csc cse csg csl csm csr css ec- ecc ece ecg ecl ecm ecr ecs eec eee eeg eel eem eer ees egc ege egg egl egm egr egs elc ele elg ell elm elr els em- emc eme emg eml emm emr ems erc ere erg erl erm err ers es- esc ese esg esl esm esr ess gcc gce gcg gcl gcm gcr gcs ge- gec gee geg gel gem ger ges ggc ggg ggm ggr ggs glc gle glg gll glm glr gls gmc gme gmg gml gmm gmr gms grc gre grg grl grm grr grs gsc gse gsg gsl gsm gsr gss lcc lce lcg lcl lcm lcr lcs lec lee leg lel lem ler les lgc lge lgg lgl lgm lgr lgs llc lle llg lll llm llr lls lmc lme lmg lml lmm lmr lms lrc lrg lrm lrr lrs lsc lse lsg lsl lsm lsr lss m-r mc- mcc mce mcg mcl mcm mcr mcs mec mee meg mel mem mer mes mgc mge mgl mgm mgr mgs mlc mle mlg mll mlm mlr mls mmc mme mmg mml mmm mmr mms mrc mre mrg mrl mrm mrr mrs msc mse msg msl msm msr mss rcc rce rcg rcl rcm rcr rcs re- rec ree reg rel rem rer res rgc rge rgg rgr rgs rlc rle rlg rll rlm rlr rls rmc rme rmg rml rmm rmr rms rrc rrg rrl rrm rrr rrs rsc rse rsg rsl rsm rsr rss scc sce scg scl scm scr scs se- sec see seg sel sem ser ses sgc sge sgg sgl sgm sgr sgs slc sle slg sll slm slr sls smc sme smg sml smm smr sms sr- src sre srg srl srm srr srs ss- ssc sse ssg ssl ssm ssr sss