-er -ic c-- ccc cce cci ccm ccn ccp ccr ccs ce- cec cee cei cem cen cep cer ces ci- cic cie cii cim cin cip cir cis cmc cme cmi cmm cmn cmp cmr cms cn- cnc cne cni cnm cnn cnp cnr cns cpc cpe cpi cpm cpn cpp cpr cps crc cre cri crm crn crp crr crs csc cse csi csm csn csp csr css ec- ecc ece eci ecm ecn ecr ecs eec eee eem een eep eer ees eic eie eii eim ein eip eir eis em- emc eme emi emm emn emp emr ems en- enc ene eni enm enn enp enr ens ep- epc epe epi epm epn epp epr eps erc ere eri erm ern erp err ers es- esc ese esi esm esn esp esr ess icc ice ici icm icn icp icr ics ie- iec iee iei iem ien iep ier ies iic iie iii iim iin iip iir iis im- imc ime imi imm imn imp ims in- inc ine ini inm inn inp inr ins ipc ipe ipi ipm ipn ipp ipr ips ir- irc ire iri irm irn irp irr irs is- isc ise isi ism isn isp isr iss m-r mc- mcc mce mci mcm mcn mcp mcr mcs mec mee mei mem men mep mer mes mi- mic mie mii mim min mip mir mis mmc mme mmi mmm mmn mmp mmr mms mnc mne mni mnm mnn mnp mnr mns mpc mpe mpi mpm mpn mpp mpr mps mrc mre mri mrm mrn mrp mrr mrs msc mse msi msm msn msp msr mss n-i ncc nce nci ncm ncn ncp ncr ncs ne- nec nee nei nem nen nep ner nes nic nie nii nim nin nip nir nis nmc nme nmi nmm nmn nmp nmr nms nnc nne nni nnm nnn nnp nns npc npe npi npm npn npp npr nps nrc nre nri nrm nrn nrp nrr nrs nsc nse nsi nsm nsn nsp nsr nss p-p pcc pce pci pcm pcn pcp pcr pcs pec pee pei pem pen pep per pes pic pie pii pim pin pip pir pis pmc pme pmi pmm pmn pmp pmr pms pn- pnc pne pni pnm pnn pnp pnr pns ppc ppe ppi ppm ppn ppp ppr pps prc pre pri prm prn prp prr prs ps- psc pse psi psm psn psp psr pss rcc rce rci rcm rcn rcp rcr rcs re- rec ree rei rem ren rep rer res ric rie rii rim rin rip rir ris rmc rme rmi rmm rmn rmp rmr rms rnc rni rnm rnn rnp rnr rns rpc rpe rpi rpm rpn rpp rpr rps rrc rri rrm rrn rrp rrr rrs rsc rse rsi rsm rsn rsp rsr rss scc sce sci scm scn scp scr scs se- sec see sei sem sen sep ser ses sic sie sii sim sin sip sir sis smc sme smi smm smn smp smr sms snc sne sni snm snn snp snr sns spc spe spi spm spn spp spr sps sr- src sre sri srm srn srp srr srs ss- ssc sse ssi ssm ssn ssp ssr sss