-er -ic c-- ccc ccd cce ccg cci cco ccr ccv cdc cdd cde cdg cdi cdo cdr cdv ce- cec ced cee ceg cei ceo cer cev cgc cgd cge cgg cgi cgo cgr cgv ci- cic cid cie cig cii cio cir civ co- coc cod coe cog coi coo cor cov crc crd cre crg cri cro crr crv cvc cvd cve cvg cvi cvo cvr cvv dcc dcd dce dcg dci dco dcr dcv ddc ddd dde ddg ddi ddo ddr de- dec ded dee deg dei deo der dev dgc dgd dge dgg dgi dgr di- dic did die dig dii dio dir div doc dod doe dog doi doo dor dov drc drd dre drg dri dro drr drv dvc dvd dve dvg dvi dvr ec- ecc ecd ece ecg eci eco ecr ecv ed- edc edd ede edg edi edo edr eec eed eee eeg eeo eer eev egc egd ege egg egi ego egr eic eid eie eig eii eio eir eiv eo- eoc eod eoe eog eoi eoo eor erc erd ere erg eri ero err erv evc evd eve evg evi evo evr evv g-d gcc gcd gce gcg gci gco gcr gdc gdd gde gdi gdo gdr gdv ge- gec ged gee geg gei geo ger gev ggc ggd ggg ggi ggo ggr ggv gic gid gie gig gii gio gir giv goc god goe gog goi goo gor gov grc grd gre grg gri gro grr grv gvc gvd gve gvg gvi gvo gvr i-d i-v icc icd ice icg ici ico icr icv idc idd ide idg idi ido idr idv ie- iec ied iee ieg iei ier iev igc igd ige igg igi igo igr iic iid iie iii iio iir io- ioc iod ioe iog ioi ioo ior iov ir- irc ird ire irg iri iro irr irv ivc ivd ive ivg ivi ivo ivr ivv o-i oc- occ ocd ocg oci oco ocr ocv odc odd ode odg odi odo odr odv oec oed oee oeg oei oeo oer ogc ogd oge ogg ogi ogo oic oid oie oii oio oir oiv oo- ooc ood oog ooi ooo oor oov or- orc ord ore org ori oro orr orv ov- ovc ovd ove ovi ovo ovv rcc rcd rce rcg rci rco rcr rcv rdc rdd rde rdg rdi rdo rdr rdv re- rec red ree reg rei reo rer rev rgc rgd rge rgg rgi rgo rgr rgv ric rid rie rig rii rio rir riv roc rod roe rog roi roo ror rov rrc rrd rrg rri rrr rvc rvd rve rvg rvi rvo rvr rvv v-e vcc vcd vce vci vco vcr vdc vdd vde vdg vdi vdo vdr vdv vec ved vee veg vei veo ver vgc vgg vgo vgr vi- vic vid vie vig vii vio vir viv voc vod voe vog voi voo vor vov vrc vrd vre vrg vri vrr vvc vvg vvi vvo vvr vvv