-er -ic c-- ccc ccd cce ccg cci ccr ccs cct ccv cdc cdd cde cdg cdi cdr cds cdt cdv ce- cec ced cee ceg cei cer ces cet cev cgc cgd cge cgg cgi cgr cgs cgt cgv ci- cic cid cie cig cii cir cis cit civ crc crd cre crg cri crr crs crt crv csc csd cse csg csi csr css cst csv ctc ctd cte ctg cti ctr cts ctt ctv cvc cvd cve cvg cvi cvr cvs cvt cvv dcc dcd dce dcg dci dcr dcs dct dcv ddc ddd dde ddg ddi ddr dds ddt de- dec ded dee deg dei der des det dev dgc dgd dge dgg dgi dgr dgs dgt di- dic did die dig dii dir dis dit div drc drd dre drg dri drr drs drt drv dsc dsd dse dsg dsi dsr dss dst dsv dtc dtd dte dtg dti dtr dts dtt dtv dvc dvd dve dvg dvi dvr dvs dvt ec- ecc ecd ece ecg eci ecr ecs ect ecv ed- edc edd ede edg edi edr eds edt eec eed eee eeg eer ees eet eev egc egd ege egg egi egr egs egt eic eid eie eig eii eir eis eit eiv erc erd ere erg eri err ers ert erv es- esc esd ese esg esi esr ess est esv etc etd ete etg eti etr ets ett etv evc evd eve evg evi evr evs evt evv g-d gcc gcd gce gcg gci gcr gcs gct gdc gdd gde gdi gdr gds gdt gdv ge- gec ged gee geg gei ger ges get gev ggc ggd ggg ggi ggr ggs ggt ggv gic gid gie gig gii gir gis git giv grc grd gre grg gri grr grs grt grv gsc gsd gse gsg gsi gsr gss gst gsv gtc gtd gte gtg gti gtr gts gtt gtv gvc gvd gve gvg gvi gvr gvs gvt i-d i-v icc icd ice icg ici icr ics ict icv idc idd ide idg idi idr ids idt idv ie- iec ied iee ieg iei ier ies iet iev igc igd ige igg igi igr igs igt iic iid iie iii iir iis iit ir- irc ird ire irg iri irr irs irt irv is- isc isd ise isg isi isr iss ist isv itc itd ite itg iti its itt itv ivc ivd ive ivg ivi ivr ivs ivt ivv rcc rcd rce rcg rci rcr rcs rct rcv rdc rdd rde rdg rdi rdr rds rdt rdv re- rec red ree reg rei rer res ret rev rgc rgd rge rgg rgi rgr rgs rgt rgv ric rid rie rig rii rir ris rit riv rrc rrd rrg rri rrr rrs rrt rsc rsd rse rsg rsi rsr rss rst rsv rtc rtd rte rtg rti rtr rts rtt rtv rvc rvd rve rvg rvi rvr rvs rvt rvv scc scd sce scg sci scr scs sct scv sdc sdd sde sdg sdi sdr sds sdt sdv se- sec sed see seg sei ser ses set sev sgc sgd sge sgg sgi sgr sgs sgt sgv sic sid sie sig sii sir sis sit siv sr- src srd sre srg sri srr srs srt srv ss- ssc ssd sse ssg ssi ssr sss sst ssv stc std ste stg sti str sts stt stv svc svd sve svg svi svr svs svt svv tcc tcd tce tcg tci tcr tcs tct tcv tdc tdd tde tdg tdi tdr tds tdt tdv te- tec ted tee teg tei ter tes tet tev tgc tge tgg tgi tgr tgs tgt tgv tic tid tie tig tii tir tis tit tiv trc trd tre trg tri trr trs trt trv tsc tsd tse tsg tsi tsr tss tst tsv ttc ttd tte ttg tti ttr tts ttt ttv tvc tvd tve tvg tvi tvr tvs tvt v-e vcc vcd vce vci vcr vcs vct vdc vdd vde vdg vdi vdr vds vdt vdv vec ved vee veg vei ver ves vet vgc vgg vgr vgs vgt vi- vic vid vie vig vii vir vis vit viv vrc vrd vre vrg vri vrr vrs vrt vsc vsd vse vsg vsi vsr vss vst vsv vtc vte vtg vti vtr vts vtt vtv vvc vvg vvi vvr vvs vvt vvv