-er -ic c-- ccc cce ccg cci ccn ccr ccs cct ce- cec cee ceg cei cen cer ces cet cgc cge cgg cgi cgn cgr cgs cgt ci- cic cie cig cii cin cir cis cit cn- cnc cne cng cni cnn cnr cns cnt crc cre crg cri crn crr crs crt csc cse csg csi csn csr css cst ctc cte ctg cti ctn ctr cts ctt ec- ecc ece ecg eci ecn ecr ecs ect eec eee eeg een eer ees eet egc ege egg egi egn egr egs egt eic eie eig eii ein eir eis eit en- enc ene eng eni enn enr ens ent erc ere erg eri ern err ers ert es- esc ese esg esi esn esr ess est etc ete etg eti etn etr ets ett gcc gce gcg gci gcn gcr gcs gct ge- gec gee geg gei gen ger ges get ggc ggg ggi ggn ggr ggs ggt gic gie gig gii gin gir gis git gnc gne gni gnn gnr gns gnt grc gre grg gri grn grr grs grt gsc gse gsg gsi gsn gsr gss gst gtc gte gtg gti gtn gtr gts gtt icc ice icg ici icn icr ics ict ie- iec iee ieg iei ien ier ies iet igc ige igg igi ign igr igs igt iic iie iii iin iir iis iit in- inc ine ing ini inn inr ins int ir- irc ire irg iri irn irr irs irt is- isc ise isg isi isn isr iss ist itc ite itg iti itn its itt n-i ncc nce ncg nci ncn ncr ncs nct ne- nec nee neg nei nen ner nes net ngc nge ngg ngi ngn ngs ngt nic nie nig nii nin nir nis nit nnc nne nng nni nnn nns nnt nrc nre nrg nri nrn nrr nrs nrt nsc nse nsg nsi nsn nsr nss nst ntc nte ntg nti ntn ntr nts ntt rcc rce rcg rci rcn rcr rcs rct re- rec ree reg rei ren rer res ret rgc rge rgg rgi rgn rgr rgs rgt ric rie rig rii rin rir ris rit rnc rng rni rnn rnr rns rnt rrc rrg rri rrn rrr rrs rrt rsc rse rsg rsi rsn rsr rss rst rtc rte rtg rti rtn rtr rts rtt scc sce scg sci scn scr scs sct se- sec see seg sei sen ser ses set sgc sge sgg sgi sgn sgr sgs sgt sic sie sig sii sin sir sis sit snc sne sng sni snn snr sns snt sr- src sre srg sri srn srr srs srt ss- ssc sse ssg ssi ssn ssr sss sst stc ste stg sti stn str sts stt tcc tce tcg tci tcn tcr tcs tct te- tec tee teg tei ten ter tes tet tgc tge tgg tgi tgn tgr tgs tgt tic tie tig tii tin tir tis tit tnc tne tng tni tnn tnr tns tnt trc tre trg tri trn trr trs trt tsc tse tsg tsi tsn tsr tss tst ttc tte ttg tti ttn ttr tts ttt