-er c-- ccc cce ccg ccl ccm ccn ccr ce- cec cee ceg cel cem cen cer cgc cge cgg cgl cgm cgn cgr cl- clc cle clg cll clm cln clr cmc cme cmg cml cmm cmn cmr cn- cnc cne cng cnl cnm cnn cnr crc cre crg crl crm crn crr ec- ecc ece ecg ecl ecm ecn ecr eec eee eeg eel eem een eer egc ege egg egl egm egn egr elc ele elg ell elm eln elr em- emc eme emg eml emm emn emr en- enc ene eng enl enm enn enr erc ere erg erl erm ern err gcc gce gcg gcl gcm gcn gcr ge- gec gee geg gel gem gen ger ggc ggg ggm ggn ggr glc gle glg gll glm gln glr gmc gme gmg gml gmm gmn gmr gnc gne gnl gnm gnn gnr grc gre grg grl grm grn grr lcc lce lcg lcl lcm lcn lcr lec lee leg lel lem len ler lgc lge lgg lgl lgm lgn lgr llc lle llg lll llm lln llr lmc lme lmg lml lmm lmn lmr lnc lne lng lnl lnm lnn lnr lrc lrg lrm lrn lrr m-r mc- mcc mce mcg mcl mcm mcn mcr mec mee meg mel mem men mer mgc mge mgl mgm mgn mgr mlc mle mlg mll mlm mln mlr mmc mme mmg mml mmm mmn mmr mnc mne mng mnl mnm mnn mnr mrc mre mrg mrl mrm mrn mrr ncc nce ncg ncl ncm ncn ncr ne- nec nee neg nel nem nen ner ngc nge ngg ngl ngm ngn nlc nle nlg nll nlm nln nlr nmc nme nmg nml nmm nmn nmr nnc nne nng nnl nnm nnn nrc nre nrg nrl nrm nrn nrr rcc rce rcg rcl rcm rcn rcr re- rec ree reg rel rem ren rer rgc rge rgg rgn rgr rlc rle rlg rll rlm rln rlr rmc rme rmg rml rmm rmn rmr rnc rng rnm rnn rnr rrc rrg rrl rrm rrn rrr