-er -ic c-- ccc cce cci ccn ccp ccr ccs ccv ce- cec cee cei cen cep cer ces cev ci- cic cie cii cin cip cir cis civ cn- cnc cne cni cnn cnp cnr cns cnv cpc cpe cpi cpn cpp cpr cps cpv crc cre cri crn crp crr crs crv csc cse csi csn csp csr css csv cvc cve cvi cvn cvp cvr cvs cvv ec- ecc ece eci ecn ecr ecs ecv eec eee een eep eer ees eev eic eie eii ein eip eir eis eiv en- enc ene eni enn enp enr ens env ep- epc epe epi epn epp epr eps erc ere eri ern erp err ers erv es- esc ese esi esn esp esr ess esv evc eve evi evn evp evr evs evv i-v icc ice ici icn icp icr ics icv ie- iec iee iei ien iep ier ies iev iic iie iii iin iip iir iis in- inc ine ini inn inp inr ins inv ipc ipe ipi ipn ipp ipr ips ipv ir- irc ire iri irn irp irr irs irv is- isc ise isi isn isp isr iss isv ivc ive ivi ivp ivr ivs ivv n-i ncc nce nci ncn ncp ncr ncs ncv ne- nec nee nei nen nep ner nes nev nic nie nii nin nip nir nis niv nnc nne nni nnn nnp nns nnv npc npe npi npn npp npr nps npv nrc nre nri nrn nrp nrr nrs nrv nsc nse nsi nsn nsp nsr nss nsv nvc nve nvi nvn nvp nvv p-p pcc pce pci pcn pcp pcr pcs pcv pec pee pei pen pep per pes pev pic pie pii pin pip pir pis piv pn- pnc pne pni pnn pnp pnr pns pnv ppc ppe ppi ppn ppp ppr pps ppv prc pre pri prn prp prr prs prv ps- psc pse psi psn psp psr pss psv pvc pve pvi pvn pvp pvr pvs pvv rcc rce rci rcn rcp rcr rcs rcv re- rec ree rei ren rep rer res rev ric rie rii rin rip rir ris riv rnc rni rnn rnp rnr rns rnv rpc rpe rpi rpn rpp rpr rps rpv rrc rri rrn rrp rrr rrs rsc rse rsi rsn rsp rsr rss rsv rvc rve rvi rvn rvp rvr rvs rvv scc sce sci scn scp scr scs scv se- sec see sei sen sep ser ses sev sic sie sii sin sip sir sis siv snc sne sni snn snp snr sns snv spc spe spi spn spp spr sps spv sr- src sre sri srn srp srr srs srv ss- ssc sse ssi ssn ssp ssr sss ssv svc sve svi svn svp svr svs svv v-e vcc vce vci vcn vcp vcr vcs vec vee vei ven vep ver ves vi- vic vie vii vin vip vir vis viv vn- vni vnp vnr vns vnv vpc vpe vpi vpn vpp vpr vps vrc vre vri vrn vrp vrr vrs vsc vse vsi vsn vsp vsr vss vsv vvc vvi vvr vvs vvv