-er c-- ccc cce ccg ccl ccn ccr ccv ce- cec cee ceg cel cen cer cev cgc cge cgg cgl cgn cgr cgv cl- clc cle clg cll cln clr clv cn- cnc cne cng cnl cnn cnr cnv crc cre crg crl crn crr crv cvc cve cvg cvl cvn cvr cvv ec- ecc ece ecg ecl ecn ecr ecv eec eee eeg eel een eer eev egc ege egg egl egn egr elc ele elg ell eln elr elv en- enc ene eng enl enn enr env erc ere erg erl ern err erv evc eve evg evl evn evr evv gcc gce gcg gcl gcn gcr ge- gec gee geg gel gen ger gev ggc ggg ggn ggr ggv glc gle glg gll gln glr glv gnc gne gnl gnn gnr gnv grc gre grg grl grn grr grv gvc gve gvg gvl gvn gvr lcc lce lcg lcl lcn lcr lcv lec lee leg lel len ler lev lgc lge lgg lgl lgn lgr lgv llc lle llg lll lln llr llv lnc lne lng lnl lnn lnr lrc lrg lrn lrr lrv lvc lve lvg lvl lvn lvr lvv ncc nce ncg ncl ncn ncr ncv ne- nec nee neg nel nen ner nev ngc nge ngg ngl ngn nlc nle nlg nll nln nlr nlv nnc nne nng nnl nnn nnv nrc nre nrg nrl nrn nrr nrv nvc nve nvg nvl nvn nvv rcc rce rcg rcl rcn rcr rcv re- rec ree reg rel ren rer rev rgc rge rgg rgn rgr rgv rlc rle rlg rll rln rlr rnc rng rnn rnr rnv rrc rrg rrl rrn rrr rvc rve rvg rvl rvn rvr rvv v-e vcc vce vcl vcn vcr vec vee veg vel ven ver vgc vgg vgl vgn vgr vl- vlc vle vll vlv vn- vng vnl vnr vnv vrc vre vrg vrn vrr vvc vvg vvr vvv