-er -ic c-- ccc cce ccf cci ccn ccp ccr ccs cct ce- cec cee cef cei cen cep cer ces cet cfc cfe cff cfi cfn cfp cfr cfs cft ci- cic cie cif cii cin cip cir cis cit cn- cnc cne cnf cni cnn cnp cnr cns cnt cpc cpe cpf cpi cpn cpp cpr cps cpt crc cre crf cri crn crp crr crs crt csc cse csf csi csn csp csr css cst ctc cte ctf cti ctn ctp ctr cts ctt ec- ecc ece ecf eci ecn ecr ecs ect eec eee eef een eep eer ees eet ef- efc efe eff efi efp efr efs eft eic eie eif eii ein eip eir eis eit en- enc ene enf eni enn enp enr ens ent ep- epc epe epf epi epn epp epr eps ept erc ere erf eri ern erp err ers ert es- esc ese esf esi esn esp esr ess est etc ete etf eti etn etp etr ets ett fcc fce fcf fci fcn fcp fcr fcs fct fec fee fef fei fen fep fer fes fet ffc ffe fff ffi ffn ffp ffr ffs fft fic fie fif fii fin fip fir fis fit fnc fne fnf fni fnn fnp fnr fns fnt fpc fpe fpi fpn fpp fpr fps fpt frc fre frf fri frn frp frr frs frt fsc fse fsf fsi fsn fsp fsr fss fst ftc fte ftf fti ftn ftp ftr fts ftt i-f icc ice icf ici icn icp icr ics ict ie- iec iee ief iei ien iep ier ies iet ifc ife iff ifi ifn ifp ifr ifs ift iic iie iif iii iin iip iir iis iit in- inc ine inf ini inn inp inr ins int ipc ipe ipf ipi ipn ipp ipr ips ipt ir- irc ire irf iri irn irp irr irs irt is- isc ise isf isi isn isp isr iss ist itc ite itf iti itn itp its itt n-i ncc nce ncf nci ncn ncp ncr ncs nct ne- nec nee nef nei nen nep ner nes net nfc nfe nff nfi nfn nfp nfr nfs nft nic nie nif nii nin nip nir nis nit nnc nne nnf nni nnn nnp nns nnt npc npe npf npi npn npp npr nps npt nrc nre nrf nri nrn nrp nrr nrs nrt nsc nse nsf nsi nsn nsp nsr nss nst ntc nte ntf nti ntn ntp ntr nts ntt p-p pcc pce pcf pci pcn pcp pcr pcs pct pec pee pef pei pen pep per pes pet pfc pfe pff pfi pfn pfp pfr pfs pft pic pie pif pii pin pip pir pis pit pn- pnc pne pnf pni pnn pnp pnr pns pnt ppc ppe ppf ppi ppn ppp ppr pps ppt prc pre prf pri prn prp prr prs prt ps- psc pse psf psi psn psp psr pss pst pt- ptc pte ptf pti ptn ptp ptr pts ptt rcc rce rcf rci rcn rcp rcr rcs rct re- rec ree ref rei ren rep rer res ret rfc rfe rff rfi rfn rfp rfr rfs rft ric rie rif rii rin rip rir ris rit rnc rni rnn rnp rnr rns rnt rpc rpe rpf rpi rpn rpp rpr rps rpt rrc rrf rri rrn rrp rrr rrs rrt rsc rse rsf rsi rsn rsp rsr rss rst rtc rte rtf rti rtn rtp rtr rts rtt scc sce scf sci scn scp scr scs sct se- sec see sef sei sen sep ser ses set sfc sfe sff sfi sfn sfp sfr sfs sft sic sie sif sii sin sip sir sis sit snc sne snf sni snn snp snr sns snt spc spe spf spi spn spp spr sps spt sr- src sre srf sri srn srp srr srs srt ss- ssc sse ssf ssi ssn ssp ssr sss sst stc ste stf sti stn stp str sts stt tcc tce tcf tci tcn tcp tcr tcs tct te- tec tee tef tei ten tep ter tes tet tfc tfe tff tfi tfn tfp tfr tfs tft tic tie tif tii tin tip tir tis tit tnc tne tnf tni tnn tnp tnr tns tnt tpc tpe tpf tpi tpn tpp tpr tps tpt trc tre trf tri trn trp trr trs trt tsc tse tsf tsi tsn tsp tsr tss tst ttc tte ttf tti ttn ttp ttr tts ttt