-er -ic c-- ccc cce ccg cci ccn ccr cct ce- cec cee ceg cei cen cer cet cgc cge cgg cgi cgn cgr cgt ci- cic cie cig cii cin cir cit cn- cnc cne cng cni cnn cnr cnt crc cre crg cri crn crr crt ctc cte ctg cti ctn ctr ctt ec- ecc ece ecg eci ecn ecr ect eec eee eeg een eer eet egc ege egg egi egn egr egt eic eie eig eii ein eir eit en- enc ene eng eni enn enr ent erc ere erg eri ern err ert etc ete etg eti etn etr ett gcc gce gcg gci gcn gcr gct ge- gec gee geg gei gen ger get ggc ggg ggi ggn ggr ggt gic gie gig gii gin gir git gnc gne gni gnn gnr gnt grc gre grg gri grn grr grt gtc gte gtg gti gtn gtr gtt icc ice icg ici icn icr ict ie- iec iee ieg iei ien ier iet igc ige igg igi ign igr igt iic iie iii iin iir iit in- inc ine ing ini inn inr int ir- irc ire irg iri irn irr irt itc ite itg iti itn itt n-i ncc nce ncg nci ncn ncr nct ne- nec nee neg nei nen ner net ngc nge ngg ngi ngn ngt nic nie nig nii nin nir nit nnc nne nng nni nnn nnt nrc nre nrg nri nrn nrr nrt ntc nte ntg nti ntn ntr ntt rcc rce rcg rci rcn rcr rct re- rec ree reg rei ren rer ret rgc rge rgg rgi rgn rgr rgt ric rie rig rii rin rir rit rnc rng rni rnn rnr rnt rrc rrg rri rrn rrr rrt rtc rte rtg rti rtn rtr rtt tcc tce tcg tci tcn tcr tct te- tec tee teg tei ten ter tet tgc tge tgg tgi tgn tgr tgt tic tie tig tii tin tir tit tnc tne tng tni tnn tnr tnt trc tre trg tri trn trr trt ttc tte ttg tti ttn ttr ttt