-er -ic c-- ccc ccd cce ccg cci ccn ccr ccs cct cdc cdd cde cdg cdi cdn cdr cds cdt ce- cec ced cee ceg cei cen cer ces cet cgc cgd cge cgg cgi cgn cgr cgs cgt ci- cic cid cie cig cii cin cir cis cit cn- cnc cnd cne cng cni cnn cnr cns cnt crc crd cre crg cri crn crr crs crt csc csd cse csg csi csn csr css cst ctc ctd cte ctg cti ctn ctr cts ctt dcc dcd dce dcg dci dcn dcr dcs dct ddc ddd dde ddg ddi ddn ddr dds ddt de- dec ded dee deg dei den der des det dgc dgd dge dgg dgi dgn dgr dgs dgt di- dic did die dig dii din dir dis dit dnc dnd dne dng dni dnn dnr dns dnt drc drd dre drg dri drn drr drs drt dsc dsd dse dsg dsi dsn dsr dss dst dtc dtd dte dtg dti dtn dtr dts dtt ec- ecc ecd ece ecg eci ecn ecr ecs ect ed- edc edd ede edg edi edn edr eds edt eec eed eee eeg een eer ees eet egc egd ege egg egi egn egr egs egt eic eid eie eig eii ein eir eis eit en- enc end ene eng eni enn enr ens ent erc erd ere erg eri ern err ers ert es- esc esd ese esg esi esn esr ess est etc etd ete etg eti etn etr ets ett g-d gcc gcd gce gcg gci gcn gcr gcs gct gdc gdd gde gdi gdn gdr gds gdt ge- gec ged gee geg gei gen ger ges get ggc ggd ggg ggi ggn ggr ggs ggt gic gid gie gig gii gin gir gis git gnc gnd gne gni gnn gnr gns gnt grc grd gre grg gri grn grr grs grt gsc gsd gse gsg gsi gsn gsr gss gst gtc gtd gte gtg gti gtn gtr gts gtt i-d icc icd ice icg ici icn icr ics ict idc idd ide idg idi idn idr ids idt ie- iec ied iee ieg iei ien ier ies iet igc igd ige igg igi ign igr igs igt iic iid iie iii iin iir iis iit in- inc ind ine ing ini inn inr ins int ir- irc ird ire irg iri irn irr irs irt is- isc isd ise isg isi isn isr iss ist itc itd ite itg iti itn its itt n-i ncc ncd nce ncg nci ncn ncr ncs nct ndc ndd nde ndg ndi ndn ndr nds ndt ne- nec ned nee neg nei nen ner nes net ngc ngd nge ngg ngi ngn ngs ngt nic nid nie nig nii nin nir nis nit nnc nne nng nni nnn nns nnt nrc nrd nre nrg nri nrn nrr nrs nrt nsc nsd nse nsg nsi nsn nsr nss nst ntc ntd nte ntg nti ntn ntr nts ntt rcc rcd rce rcg rci rcn rcr rcs rct rdc rdd rde rdg rdi rdn rdr rds rdt re- rec red ree reg rei ren rer res ret rgc rgd rge rgg rgi rgn rgr rgs rgt ric rid rie rig rii rin rir ris rit rnc rnd rng rni rnn rnr rns rnt rrc rrd rrg rri rrn rrr rrs rrt rsc rsd rse rsg rsi rsn rsr rss rst rtc rtd rte rtg rti rtn rtr rts rtt scc scd sce scg sci scn scr scs sct sdc sdd sde sdg sdi sdn sdr sds sdt se- sec sed see seg sei sen ser ses set sgc sgd sge sgg sgi sgn sgr sgs sgt sic sid sie sig sii sin sir sis sit snc snd sne sng sni snn snr sns snt sr- src srd sre srg sri srn srr srs srt ss- ssc ssd sse ssg ssi ssn ssr sss sst stc std ste stg sti stn str sts stt tcc tcd tce tcg tci tcn tcr tcs tct tdc tdd tde tdg tdi tdn tdr tds tdt te- tec ted tee teg tei ten ter tes tet tgc tge tgg tgi tgn tgr tgs tgt tic tid tie tig tii tin tir tis tit tnc tnd tne tng tni tnn tnr tns tnt trc trd tre trg tri trn trr trs trt tsc tsd tse tsg tsi tsn tsr tss tst ttc ttd tte ttg tti ttn ttr tts ttt