-er c-- ccc cce ccf ccn ccp ccr ccs cct ce- cec cee cef cen cep cer ces cet cfc cfe cff cfn cfp cfr cfs cft cn- cnc cne cnf cnn cnp cnr cns cnt cpc cpe cpf cpn cpp cpr cps cpt crc cre crf crn crp crr crs crt csc cse csf csn csp csr css cst ctc cte ctf ctn ctp ctr cts ctt ec- ecc ece ecf ecn ecr ecs ect eec eee eef een eep eer ees eet ef- efc efe eff efp efr efs eft en- enc ene enf enn enp enr ens ent ep- epc epe epf epn epp epr eps ept erc ere erf ern erp err ers ert es- esc ese esf esn esp esr ess est etc ete etf etn etp etr ets ett fcc fce fcf fcn fcp fcr fcs fct fec fee fef fen fep fer fes fet ffc ffe fff ffn ffp ffr ffs fft fnc fne fnf fnn fnp fnr fns fnt fpc fpe fpn fpp fpr fps fpt frc fre frf frn frp frr frs frt fsc fse fsf fsn fsp fsr fss fst ftc fte ftf ftn ftp ftr fts ftt ncc nce ncf ncn ncp ncr ncs nct ne- nec nee nef nen nep ner nes net nfc nfe nff nfn nfp nfr nfs nft nnc nne nnf nnn nnp nns nnt npc npe npf npn npp npr nps npt nrc nre nrf nrn nrp nrr nrs nrt nsc nse nsf nsn nsp nsr nss nst ntc nte ntf ntn ntp ntr nts ntt p-p pcc pce pcf pcn pcp pcr pcs pct pec pee pef pen pep per pes pet pfc pfe pff pfn pfp pfr pfs pft pn- pnc pne pnf pnn pnp pnr pns pnt ppc ppe ppf ppn ppp ppr pps ppt prc pre prf prn prp prr prs prt ps- psc pse psf psn psp psr pss pst pt- ptc pte ptf ptn ptp ptr pts ptt rcc rce rcf rcn rcp rcr rcs rct re- rec ree ref ren rep rer res ret rfc rfe rff rfn rfp rfr rfs rft rnc rnn rnp rnr rns rnt rpc rpe rpf rpn rpp rpr rps rpt rrc rrf rrn rrp rrr rrs rrt rsc rse rsf rsn rsp rsr rss rst rtc rte rtf rtn rtp rtr rts rtt scc sce scf scn scp scr scs sct se- sec see sef sen sep ser ses set sfc sfe sff sfn sfp sfr sfs sft snc sne snf snn snp snr sns snt spc spe spf spn spp spr sps spt sr- src sre srf srn srp srr srs srt ss- ssc sse ssf ssn ssp ssr sss sst stc ste stf stn stp str sts stt tcc tce tcf tcn tcp tcr tcs tct te- tec tee tef ten tep ter tes tet tfc tfe tff tfn tfp tfr tfs tft tnc tne tnf tnn tnp tnr tns tnt tpc tpe tpf tpn tpp tpr tps tpt trc tre trf trn trp trr trs trt tsc tse tsf tsn tsp tsr tss tst ttc tte ttf ttn ttp ttr tts ttt