-er c-- ccc cce ccf cch cco ccp ccr ccs ce- cec cee cef ceh ceo cep cer ces cfc cfe cff cfh cfo cfp cfr cfs ch- chc che chf chh cho chp chr chs co- coc coe cof coh coo cop cor cos cpc cpe cpf cph cpo cpp cpr cps crc cre crf crh cro crp crr crs csc cse csf csh cso csp csr css ec- ecc ece ecf ech eco ecr ecs eec eee eef eeo eep eer ees ef- efc efe eff efh efo efp efr efs ehc ehe ehf ehh eho ehp ehr ehs eo- eoc eoe eof eoh eoo eop eor eos ep- epc epe epf eph epo epp epr eps erc ere erf erh ero erp err ers es- esc ese esf esh eso esp esr ess fcc fce fcf fco fcp fcr fcs fec fee fef feh feo fep fer fes ffc ffe fff ffh ffo ffp ffr ffs fhc fhe fhf fhh fho fhp fhr fhs foc foe fof foh foo fop for fos fpc fpe fph fpo fpp fpr fps frc fre frf frh fro frp frr frs fsc fse fsf fsh fso fsp fsr fss hcc hce hcf hch hco hcp hcr hcs he- hec hee hef heh heo hep her hes hfc hfe hff hfh hfo hfp hfr hfs hhc hhe hhf hhh hho hhp hhr hhs hoc hoe hof hoh hoo hop hor hos hpc hpe hpf hph hpo hpp hpr hps hr- hrc hre hrf hrh hro hrp hrr hrs hsc hse hsf hsh hsp hsr hss oc- occ ocf och oco ocp ocr ocs oec oee oef oeh oeo oep oer oes of- ofc ofe off ofo ofp ofr ofs ohc ohe ohf ohh oho ohp ohr ohs oo- ooc oof ooh ooo oop oor oos op- opc ope opf oph opo opp opr ops or- orc ore orf orh oro orp orr ors os- osc ose osf osh oso osp osr oss p-p pcc pce pcf pch pco pcp pcr pcs pec pee pef peh peo pep per pes pfc pfe pff pfo pfp pfr pfs phc phe phf pho php phr phs poc poe pof poh poo pop por pos ppc ppe ppf pph ppo ppp ppr pps prc pre prf prh pro prp prr prs ps- psc pse psf psh pso psp psr pss rcc rce rcf rch rco rcp rcr rcs re- rec ree ref reh reo rep rer res rfc rfe rff rfh rfo rfp rfr rfs rh- rhc rhe rhf rhh rho rhp rhr rhs roc roe rof roh roo rop ror ros rpc rpe rpf rph rpo rpp rpr rps rrc rrf rrh rrp rrr rrs rsc rse rsf rsh rso rsp rsr rss scc sce scf sch sco scp scr scs se- sec see sef seh seo sep ser ses sfc sfe sff sfh sfo sfp sfr sfs sh- shc she shf shh sho shp shr shs soc soe sof soh soo sop sor sos spc spe spf sph spo spp spr sps sr- src sre srf srh sro srp srr srs ss- ssc sse ssf ssh sso ssp ssr sss