-er c-- ccc ccd cce cch cco ccr ccv cdc cdd cde cdh cdo cdr cdv ce- cec ced cee ceh ceo cer cev ch- chc chd che chh cho chr chv co- coc cod coe coh coo cor cov crc crd cre crh cro crr crv cvc cvd cve cvh cvo cvr cvv dcc dcd dce dco dcr dcv ddc ddd dde ddh ddo ddr de- dec ded dee deh deo der dev dh- dhc dhd dhe dhh dho dhr doc dod doe doh doo dor dov drc drd dre dro drr drv dvc dvd dve dvh dvr ec- ecc ecd ece ech eco ecr ecv ed- edc edd ede edh edo edr eec eed eee eeo eer eev ehc ehd ehe ehh eho ehr ehv eo- eoc eod eoe eoh eoo eor erc erd ere erh ero err erv evc evd eve evh evo evr evv hcc hcd hce hch hco hcr hcv hdc hdd hde hdh hdo hdr hdv he- hec hed hee heh heo her hev hhc hhd hhe hhh hho hhr hhv hoc hod hoe hoh hoo hor hov hr- hrc hrd hre hrh hro hrr hrv hv- hvc hvd hvo hvr hvv oc- occ ocd och oco ocr ocv odc odd ode odh odo odr odv oec oed oee oeh oeo oer ohc ohd ohe ohh oho ohr oo- ooc ood ooh ooo oor oov or- orc ord ore orh oro orr orv ov- ovc ovd ove ovh ovo ovv rcc rcd rce rch rco rcr rcv rdc rdd rde rdh rdo rdr rdv re- rec red ree reh reo rer rev rh- rhc rhd rhe rhh rho rhr rhv roc rod roe roh roo ror rov rrc rrd rrh rrr rvc rvd rve rvh rvo rvr rvv v-e vcc vcd vce vch vco vcr vdc vdd vde vdh vdo vdr vdv vec ved vee veh veo ver vh- vhc vhd vhe vho voc vod voe voh voo vor vov vrc vrd vre vrh vrr vvc vvo vvr vvv