-er -ic c-- ccc ccd cce cci ccn ccr ccs ccv cdc cdd cde cdi cdn cdr cds cdv ce- cec ced cee cei cen cer ces cev ci- cic cid cie cii cin cir cis civ cn- cnc cnd cne cni cnn cnr cns cnv crc crd cre cri crn crr crs crv csc csd cse csi csn csr css csv cvc cvd cve cvi cvn cvr cvs cvv dcc dcd dce dci dcn dcr dcs dcv ddc ddd dde ddi ddn ddr dds de- dec ded dee dei den der des dev di- dic did die dii din dir dis div dnc dnd dne dni dnn dnr dns drc drd dre dri drn drr drs drv dsc dsd dse dsi dsn dsr dss dsv dvc dvd dve dvi dvn dvr dvs ec- ecc ecd ece eci ecn ecr ecs ecv ed- edc edd ede edi edn edr eds eec eed eee een eer ees eev eic eid eie eii ein eir eis eiv en- enc end ene eni enn enr ens env erc erd ere eri ern err ers erv es- esc esd ese esi esn esr ess esv evc evd eve evi evn evr evs evv i-d i-v icc icd ice ici icn icr ics icv idc idd ide idi idn idr ids idv ie- iec ied iee iei ien ier ies iev iic iid iie iii iin iir iis in- inc ind ine ini inn inr ins inv ir- irc ird ire iri irn irr irs irv is- isc isd ise isi isn isr iss isv ivc ivd ive ivi ivr ivs ivv n-i ncc ncd nce nci ncn ncr ncs ncv ndc ndd nde ndi ndn ndr nds ndv ne- nec ned nee nei nen ner nes nev nic nid nie nii nin nir nis niv nnc nne nni nnn nns nnv nrc nrd nre nri nrn nrr nrs nrv nsc nsd nse nsi nsn nsr nss nsv nvc nvd nve nvi nvn nvv rcc rcd rce rci rcn rcr rcs rcv rdc rdd rde rdi rdn rdr rds rdv re- rec red ree rei ren rer res rev ric rid rie rii rin rir ris riv rnc rnd rni rnn rnr rns rnv rrc rrd rri rrn rrr rrs rsc rsd rse rsi rsn rsr rss rsv rvc rvd rve rvi rvn rvr rvs rvv scc scd sce sci scn scr scs scv sdc sdd sde sdi sdn sdr sds sdv se- sec sed see sei sen ser ses sev sic sid sie sii sin sir sis siv snc snd sne sni snn snr sns snv sr- src srd sre sri srn srr srs srv ss- ssc ssd sse ssi ssn ssr sss ssv svc svd sve svi svn svr svs svv v-e vcc vcd vce vci vcn vcr vcs vdc vdd vde vdi vdr vds vdv vec ved vee vei ven ver ves vi- vic vid vie vii vin vir vis viv vn- vnd vni vnr vns vnv vrc vrd vre vri vrn vrr vrs vsc vsd vse vsi vsn vsr vss vsv vvc vvi vvr vvs vvv