-er c-- ccc cce ccf ccn ccp ccr cct ce- cec cee cef cen cep cer cet cfc cfe cff cfn cfp cfr cft cn- cnc cne cnf cnn cnp cnr cnt cpc cpe cpf cpn cpp cpr cpt crc cre crf crn crp crr crt ctc cte ctf ctn ctp ctr ctt ec- ecc ece ecf ecn ecr ect eec eee eef een eep eer eet ef- efc efe eff efp efr eft en- enc ene enf enn enp enr ent ep- epc epe epf epn epp epr ept erc ere erf ern erp err ert etc ete etf etn etp etr ett fcc fce fcf fcn fcp fcr fct fec fee fef fen fep fer fet ffc ffe fff ffn ffp ffr fft fnc fne fnf fnn fnp fnr fnt fpc fpe fpn fpp fpr fpt frc fre frf frn frp frr frt ftc fte ftf ftn ftp ftr ftt ncc nce ncf ncn ncp ncr nct ne- nec nee nef nen nep ner net nfc nfe nff nfn nfp nfr nft nnc nne nnf nnn nnp nnt npc npe npf npn npp npr npt nrc nre nrf nrn nrp nrr nrt ntc nte ntf ntn ntp ntr ntt p-p pcc pce pcf pcn pcp pcr pct pec pee pef pen pep per pet pfc pfe pff pfn pfp pfr pft pn- pnc pne pnf pnn pnp pnr pnt ppc ppe ppf ppn ppp ppr ppt prc pre prf prn prp prr prt pt- ptc pte ptf ptn ptp ptr ptt rcc rce rcf rcn rcp rcr rct re- rec ree ref ren rep rer ret rfc rfe rff rfn rfp rfr rft rnc rnn rnp rnr rnt rpc rpe rpf rpn rpp rpr rpt rrc rrf rrn rrp rrr rrt rtc rte rtf rtn rtp rtr rtt tcc tce tcf tcn tcp tcr tct te- tec tee tef ten tep ter tet tfc tfe tff tfn tfp tfr tft tnc tne tnf tnn tnp tnr tnt tpc tpe tpf tpn tpp tpr tpt trc tre trf trn trp trr trt ttc tte ttf ttn ttp ttr ttt