-er -ic c-- ccc cce ccf cci ccm ccp ccr ccs ce- cec cee cef cei cem cep cer ces cfc cfe cff cfi cfm cfp cfr cfs ci- cic cie cif cii cim cip cir cis cmc cme cmf cmi cmm cmp cmr cms cpc cpe cpf cpi cpm cpp cpr cps crc cre crf cri crm crp crr crs csc cse csf csi csm csp csr css ec- ecc ece ecf eci ecm ecr ecs eec eee eef eem eep eer ees ef- efc efe eff efi efm efp efr efs eic eie eif eii eim eip eir eis em- emc eme emf emi emm emp emr ems ep- epc epe epf epi epm epp epr eps erc ere erf eri erm erp err ers es- esc ese esf esi esm esp esr ess fcc fce fcf fci fcm fcp fcr fcs fec fee fef fei fem fep fer fes ffc ffe fff ffi ffm ffp ffr ffs fic fie fif fii fim fip fir fis fmc fme fmf fmi fmm fmp fmr fms fpc fpe fpi fpm fpp fpr fps frc fre frf fri frm frp frr frs fsc fse fsf fsi fsm fsp fsr fss i-f icc ice icf ici icm icp icr ics ie- iec iee ief iei iem iep ier ies ifc ife iff ifi ifm ifp ifr ifs iic iie iif iii iim iip iir iis im- imc ime imf imi imm imp ims ipc ipe ipf ipi ipm ipp ipr ips ir- irc ire irf iri irm irp irr irs is- isc ise isf isi ism isp isr iss m-f m-r mc- mcc mce mcf mci mcm mcp mcr mcs mec mee mef mei mem mep mer mes mfc mfe mff mfi mfm mfp mfr mfs mi- mic mie mif mii mim mip mir mis mmc mme mmf mmi mmm mmp mmr mms mpc mpe mpf mpi mpm mpp mpr mps mrc mre mrf mri mrm mrp mrr mrs msc mse msf msi msm msp msr mss p-p pcc pce pcf pci pcm pcp pcr pcs pec pee pef pei pem pep per pes pfc pfe pff pfi pfm pfp pfr pfs pic pie pif pii pim pip pir pis pmc pme pmf pmi pmm pmp pmr pms ppc ppe ppf ppi ppm ppp ppr pps prc pre prf pri prm prp prr prs ps- psc pse psf psi psm psp psr pss rcc rce rcf rci rcm rcp rcr rcs re- rec ree ref rei rem rep rer res rfc rfe rff rfi rfm rfp rfr rfs ric rie rif rii rim rip rir ris rmc rme rmf rmi rmm rmp rmr rms rpc rpe rpf rpi rpm rpp rpr rps rrc rrf rri rrm rrp rrr rrs rsc rse rsf rsi rsm rsp rsr rss scc sce scf sci scm scp scr scs se- sec see sef sei sem sep ser ses sfc sfe sff sfi sfm sfp sfr sfs sic sie sif sii sim sip sir sis smc sme smf smi smm smp smr sms spc spe spf spi spm spp spr sps sr- src sre srf sri srm srp srr srs ss- ssc sse ssf ssi ssm ssp ssr sss