-er c-- ccc ccd cce ccg ccn cco ccr ccv cdc cdd cde cdg cdn cdo cdr cdv ce- cec ced cee ceg cen ceo cer cev cgc cgd cge cgg cgn cgo cgr cgv cn- cnc cnd cne cng cnn cno cnr cnv co- coc cod coe cog con coo cor cov crc crd cre crg crn cro crr crv cvc cvd cve cvg cvn cvo cvr cvv dcc dcd dce dcg dcn dco dcr dcv ddc ddd dde ddg ddn ddo ddr de- dec ded dee deg den deo der dev dgc dgd dge dgg dgn dgr dnc dnd dne dng dnn dno dnr doc dod doe dog don doo dor dov drc drd dre drg drn dro drr drv dvc dvd dve dvg dvn dvr ec- ecc ecd ece ecg ecn eco ecr ecv ed- edc edd ede edg edn edo edr eec eed eee eeg een eeo eer eev egc egd ege egg egn ego egr en- enc end ene eng enn eno enr env eo- eoc eod eoe eog eon eoo eor erc erd ere erg ern ero err erv evc evd eve evg evn evo evr evv g-d gcc gcd gce gcg gcn gco gcr gdc gdd gde gdn gdo gdr gdv ge- gec ged gee geg gen geo ger gev ggc ggd ggg ggn ggo ggr ggv gnc gnd gne gnn gno gnr gnv goc god goe gog gon goo gor gov grc grd gre grg grn gro grr grv gvc gvd gve gvg gvn gvo gvr ncc ncd nce ncg ncn nco ncr ncv ndc ndd nde ndg ndn ndo ndr ndv ne- nec ned nee neg nen neo ner nev ngc ngd nge ngg ngn ngo nnc nne nng nnn nno nnv no- noc nod noe nog non noo nor nov nrc nrd nre nrg nrn nro nrr nrv nvc nvd nve nvg nvn nvv oc- occ ocd ocg ocn oco ocr ocv odc odd ode odg odn odo odr odv oec oed oee oeg oen oeo oer ogc ogd oge ogg ogn ogo on- onc ond one ong onn ono onr oo- ooc ood oog oon ooo oor oov or- orc ord ore org orn oro orr orv ov- ovc ovd ove ovo ovv rcc rcd rce rcg rcn rco rcr rcv rdc rdd rde rdg rdn rdo rdr rdv re- rec red ree reg ren reo rer rev rgc rgd rge rgg rgn rgo rgr rgv rnc rnd rng rnn rno rnr rnv roc rod roe rog ron roo ror rov rrc rrd rrg rrn rrr rvc rvd rve rvg rvn rvo rvr rvv v-e vcc vcd vce vcn vco vcr vdc vdd vde vdg vdo vdr vdv vec ved vee veg ven veo ver vgc vgg vgn vgo vgr vn- vnd vng vno vnr vnv voc vod voe vog von voo vor vov vrc vrd vre vrg vrn vrr vvc vvg vvo vvr vvv