-er -ic c-- ccc cce cci ccn ccr ccs ccv ce- cec cee cei cen cer ces cev ci- cic cie cii cin cir cis civ cn- cnc cne cni cnn cnr cns cnv crc cre cri crn crr crs crv csc cse csi csn csr css csv cvc cve cvi cvn cvr cvs cvv ec- ecc ece eci ecn ecr ecs ecv eec eee een eer ees eev eic eie eii ein eir eis eiv en- enc ene eni enn enr ens env erc ere eri ern err ers erv es- esc ese esi esn esr ess esv evc eve evi evn evr evs evv i-v icc ice ici icn icr ics icv ie- iec iee iei ien ier ies iev iic iie iii iin iir iis in- inc ine ini inn inr ins inv ir- irc ire iri irn irr irs irv is- isc ise isi isn isr iss isv ivc ive ivi ivr ivs ivv n-i ncc nce nci ncn ncr ncs ncv ne- nec nee nei nen ner nes nev nic nie nii nin nir nis niv nnc nne nni nnn nns nnv nrc nre nri nrn nrr nrs nrv nsc nse nsi nsn nsr nss nsv nvc nve nvi nvn nvv rcc rce rci rcn rcr rcs rcv re- rec ree rei ren rer res rev ric rie rii rin rir ris riv rnc rni rnn rnr rns rnv rrc rri rrn rrr rrs rsc rse rsi rsn rsr rss rsv rvc rve rvi rvn rvr rvs rvv scc sce sci scn scr scs scv se- sec see sei sen ser ses sev sic sie sii sin sir sis siv snc sne sni snn snr sns snv sr- src sre sri srn srr srs srv ss- ssc sse ssi ssn ssr sss ssv svc sve svi svn svr svs svv v-e vcc vce vci vcn vcr vcs vec vee vei ven ver ves vi- vic vie vii vin vir vis viv vn- vni vnr vns vnv vrc vre vri vrn vrr vrs vsc vse vsi vsn vsr vss vsv vvc vvi vvr vvs vvv