-er -ic c-- ccc ccd cce cci ccm cco ccr ccv cdc cdd cde cdi cdm cdo cdr cdv ce- cec ced cee cei cem ceo cer cev ci- cic cid cie cii cim cio cir civ cmc cmd cme cmi cmm cmo cmr cmv co- coc cod coe coi com coo cor cov crc crd cre cri crm cro crr crv cvc cvd cve cvi cvm cvo cvr cvv dcc dcd dce dci dcm dco dcr dcv ddc ddd dde ddi ddm ddo ddr de- dec ded dee dei dem deo der dev di- dic did die dii dim dio dir div dmc dmd dme dmi dmm dmo dmr dmv doc dod doe doi dom doo dor dov drc drd dre dri drm dro drr drv dvc dvd dve dvi dvm dvr ec- ecc ecd ece eci ecm eco ecr ecv ed- edc edd ede edi edm edo edr eec eed eee eem eeo eer eev eic eid eie eii eim eio eir eiv em- emc emd eme emi emm emo emr emv eo- eoc eod eoe eoi eom eoo eor erc erd ere eri erm ero err erv evc evd eve evi evm evo evr evv i-d i-v icc icd ice ici icm ico icr icv idc idd ide idi idm ido idr idv ie- iec ied iee iei iem ier iev iic iid iie iii iim iio iir im- imc imd ime imi imm imo imv io- ioc iod ioe ioi iom ioo ior iov ir- irc ird ire iri irm iro irr irv ivc ivd ive ivi ivo ivr ivv m-o m-r m-v mc- mcc mcd mce mci mcm mco mcr mcv mdc mdd mde mdi mdm mdo mdr mdv mec med mee mei mem meo mer mev mi- mic mid mie mii mim mio mir miv mmc mmd mme mmi mmm mmo mmr mmv moc mod moe moi mom moo mor mov mrc mrd mre mri mrm mro mrr mrv mvc mvd mve mvi mvm mvo mvr mvv o-i oc- occ ocd oci ocm oco ocr ocv odc odd ode odi odm odo odr odv oec oed oee oei oem oeo oer oic oid oie oii oim oio oir oiv om- omc omd ome omi omm omo omr omv oo- ooc ood ooi oom ooo oor oov or- orc ord ore ori orm oro orr orv ov- ovc ovd ove ovi ovo ovv rcc rcd rce rci rcm rco rcr rcv rdc rdd rde rdi rdm rdo rdr rdv re- rec red ree rei rem reo rer rev ric rid rie rii rim rio rir riv rmc rmd rme rmi rmm rmo rmr rmv roc rod roe roi rom roo ror rov rrc rrd rri rrm rrr rvc rvd rve rvi rvm rvo rvr rvv v-e vcc vcd vce vci vcm vco vcr vdc vdd vde vdi vdm vdo vdr vdv vec ved vee vei vem veo ver vi- vic vid vie vii vim vio vir viv vm- vmc vmd vmi vmm vmo vmr voc vod voe voi vom voo vor vov vrc vrd vre vri vrm vrr vvc vvi vvm vvo vvr vvv