-er -ic c-- ccc ccd cce cci ccn ccr ccv cdc cdd cde cdi cdn cdr cdv ce- cec ced cee cei cen cer cev ci- cic cid cie cii cin cir civ cn- cnc cnd cne cni cnn cnr cnv crc crd cre cri crn crr crv cvc cvd cve cvi cvn cvr cvv dcc dcd dce dci dcn dcr dcv ddc ddd dde ddi ddn ddr de- dec ded dee dei den der dev di- dic did die dii din dir div dnc dnd dne dni dnn dnr drc drd dre dri drn drr drv dvc dvd dve dvi dvn dvr ec- ecc ecd ece eci ecn ecr ecv ed- edc edd ede edi edn edr eec eed eee een eer eev eic eid eie eii ein eir eiv en- enc end ene eni enn enr env erc erd ere eri ern err erv evc evd eve evi evn evr evv i-d i-v icc icd ice ici icn icr icv idc idd ide idi idn idr idv ie- iec ied iee iei ien ier iev iic iid iie iii iin iir in- inc ind ine ini inn inr inv ir- irc ird ire iri irn irr irv ivc ivd ive ivi ivr ivv n-i ncc ncd nce nci ncn ncr ncv ndc ndd nde ndi ndn ndr ndv ne- nec ned nee nei nen ner nev nic nid nie nii nin nir niv nnc nne nni nnn nnv nrc nrd nre nri nrn nrr nrv nvc nvd nve nvi nvn nvv rcc rcd rce rci rcn rcr rcv rdc rdd rde rdi rdn rdr rdv re- rec red ree rei ren rer rev ric rid rie rii rin rir riv rnc rnd rni rnn rnr rnv rrc rrd rri rrn rrr rvc rvd rve rvi rvn rvr rvv v-e vcc vcd vce vci vcn vcr vdc vdd vde vdi vdr vdv vec ved vee vei ven ver vi- vic vid vie vii vin vir viv vn- vnd vni vnr vnv vrc vrd vre vri vrn vrr vvc vvi vvr vvv