-er -ic c-- ccc ccd cce ccg cci cco ccr cct ccv cdc cdd cde cdg cdi cdo cdr cdt cdv ce- cec ced cee ceg cei ceo cer cet cev cgc cgd cge cgg cgi cgo cgr cgt cgv ci- cic cid cie cig cii cio cir cit civ co- coc cod coe cog coi coo cor cot cov crc crd cre crg cri cro crr crt crv ctc ctd cte ctg cti cto ctr ctt ctv cvc cvd cve cvg cvi cvo cvr cvt cvv dcc dcd dce dcg dci dco dcr dct dcv ddc ddd dde ddg ddi ddo ddr ddt de- dec ded dee deg dei deo der det dev dgc dgd dge dgg dgi dgr dgt di- dic did die dig dii dio dir dit div doc dod doe dog doi doo dor dot dov drc drd dre drg dri dro drr drt drv dtc dtd dte dtg dti dto dtr dtt dtv dvc dvd dve dvg dvi dvr dvt ec- ecc ecd ece ecg eci eco ecr ect ecv ed- edc edd ede edg edi edo edr edt eec eed eee eeg eeo eer eet eev egc egd ege egg egi ego egr egt eic eid eie eig eii eio eir eit eiv eo- eoc eod eoe eog eoi eoo eor eot erc erd ere erg eri ero err ert erv etc etd ete etg eti eto etr ett etv evc evd eve evg evi evo evr evt evv g-d gcc gcd gce gcg gci gco gcr gct gdc gdd gde gdi gdo gdr gdt gdv ge- gec ged gee geg gei geo ger get gev ggc ggd ggg ggi ggo ggr ggt ggv gic gid gie gig gii gio gir git giv goc god goe gog goi goo gor got gov grc grd gre grg gri gro grr grt grv gtc gtd gte gtg gti gto gtr gtt gtv gvc gvd gve gvg gvi gvo gvr gvt i-d i-v icc icd ice icg ici ico icr ict icv idc idd ide idg idi ido idr idt idv ie- iec ied iee ieg iei ier iet iev igc igd ige igg igi igo igr igt iic iid iie iii iio iir iit io- ioc iod ioe iog ioi ioo ior iot iov ir- irc ird ire irg iri iro irr irt irv itc itd ite itg iti ito itt itv ivc ivd ive ivg ivi ivo ivr ivt ivv o-i oc- occ ocd ocg oci oco ocr oct ocv odc odd ode odg odi odo odr odt odv oec oed oee oeg oei oeo oer oet ogc ogd oge ogg ogi ogo ogt oic oid oie oii oio oir oit oiv oo- ooc ood oog ooi ooo oor oot oov or- orc ord ore org ori oro orr ort orv ot- otc otd ote otg oti oto otr ott otv ov- ovc ovd ove ovi ovo ovv rcc rcd rce rcg rci rco rcr rct rcv rdc rdd rde rdg rdi rdo rdr rdt rdv re- rec red ree reg rei reo rer ret rev rgc rgd rge rgg rgi rgo rgr rgt rgv ric rid rie rig rii rio rir rit riv roc rod roe rog roi roo ror rot rov rrc rrd rrg rri rrr rrt rtc rtd rte rtg rti rto rtr rtt rtv rvc rvd rve rvg rvi rvo rvr rvt rvv tcc tcd tce tcg tci tco tcr tct tcv tdc tdd tde tdg tdi tdo tdr tdt tdv te- tec ted tee teg tei teo ter tet tev tgc tge tgg tgi tgo tgr tgt tgv tic tid tie tig tii tio tir tit tiv to- toc tod toe tog toi too tor tot tov trc trd tre trg tri tro trr trt trv ttc ttd tte ttg tti tto ttr ttt ttv tvc tvd tve tvg tvi tvo tvr tvt v-e vcc vcd vce vci vco vcr vct vdc vdd vde vdg vdi vdo vdr vdt vdv vec ved vee veg vei veo ver vet vgc vgg vgo vgr vgt vi- vic vid vie vig vii vio vir vit viv voc vod voe vog voi voo vor vot vov vrc vrd vre vrg vri vrr vrt vtc vte vtg vti vto vtr vtt vtv vvc vvg vvi vvo vvr vvt vvv