-er c-- ccc cce ccg ccl ccn ccr cct ce- cec cee ceg cel cen cer cet cgc cge cgg cgl cgn cgr cgt cl- clc cle clg cll cln clr clt cn- cnc cne cng cnl cnn cnr cnt crc cre crg crl crn crr crt ctc cte ctg ctl ctn ctr ctt ec- ecc ece ecg ecl ecn ecr ect eec eee eeg eel een eer eet egc ege egg egl egn egr egt elc ele elg ell eln elr elt en- enc ene eng enl enn enr ent erc ere erg erl ern err ert etc ete etg etl etn etr ett gcc gce gcg gcl gcn gcr gct ge- gec gee geg gel gen ger get ggc ggg ggn ggr ggt glc gle glg gll gln glr glt gnc gne gnl gnn gnr gnt grc gre grg grl grn grr grt gtc gte gtg gtl gtn gtr gtt lcc lce lcg lcl lcn lcr lct lec lee leg lel len ler let lgc lge lgg lgl lgn lgr lgt llc lle llg lll lln llr llt lnc lne lng lnl lnn lnr lnt lrc lrg lrn lrr lrt ltc lte ltg ltl ltr ltt ncc nce ncg ncl ncn ncr nct ne- nec nee neg nel nen ner net ngc nge ngg ngl ngn ngt nlc nle nlg nll nln nlr nlt nnc nne nng nnl nnn nnt nrc nre nrg nrl nrn nrr nrt ntc nte ntg ntn ntr ntt rcc rce rcg rcl rcn rcr rct re- rec ree reg rel ren rer ret rgc rge rgg rgn rgr rgt rlc rle rlg rll rln rlr rlt rnc rng rnn rnr rnt rrc rrg rrl rrn rrr rrt rtc rte rtg rtl rtn rtr rtt tcc tce tcg tcl tcn tcr tct te- tec tee teg tel ten ter tet tgc tge tgg tgl tgn tgr tgt tlc tle tlg tll tln tlr tlt tnc tne tng tnl tnn tnr tnt trc tre trg trl trn trr trt ttc tte ttg ttl ttn ttr ttt