-er c-- ccc cce ccf cch ccp ccr ccs ce- cec cee cef ceh cep cer ces cfc cfe cff cfh cfp cfr cfs ch- chc che chf chh chp chr chs cpc cpe cpf cph cpp cpr cps crc cre crf crh crp crr crs csc cse csf csh csp csr css ec- ecc ece ecf ech ecr ecs eec eee eef eep eer ees ef- efc efe eff efh efp efr efs ehc ehe ehf ehh ehp ehr ehs ep- epc epe epf eph epp epr eps erc ere erf erh erp err ers es- esc ese esf esh esp esr ess fcc fce fcf fcp fcr fcs fec fee fef feh fep fer fes ffc ffe fff ffh ffp ffr ffs fhc fhe fhf fhh fhp fhr fhs fpc fpe fph fpp fpr fps frc fre frf frh frp frr frs fsc fse fsf fsh fsp fsr fss hcc hce hcf hch hcp hcr hcs he- hec hee hef heh hep her hes hfc hfe hff hfh hfp hfr hfs hhc hhe hhf hhh hhp hhr hhs hpc hpe hpf hph hpp hpr hps hr- hrc hre hrf hrh hrp hrr hrs hsc hse hsf hsh hsp hsr hss p-p pcc pce pcf pch pcp pcr pcs pec pee pef peh pep per pes pfc pfe pff pfp pfr pfs phc phe phf php phr phs ppc ppe ppf pph ppp ppr pps prc pre prf prh prp prr prs ps- psc pse psf psh psp psr pss rcc rce rcf rch rcp rcr rcs re- rec ree ref reh rep rer res rfc rfe rff rfh rfp rfr rfs rh- rhc rhe rhf rhh rhp rhr rhs rpc rpe rpf rph rpp rpr rps rrc rrf rrh rrp rrr rrs rsc rse rsf rsh rsp rsr rss scc sce scf sch scp scr scs se- sec see sef seh sep ser ses sfc sfe sff sfh sfp sfr sfs sh- shc she shf shh shp shr shs spc spe spf sph spp spr sps sr- src sre srf srh srp srr srs ss- ssc sse ssf ssh ssp ssr sss