-er -ic c-- ccc cce ccf cci ccl ccp ccr ccs ce- cec cee cef cei cel cep cer ces cfc cfe cff cfi cfl cfp cfr cfs ci- cic cie cif cii cil cip cir cis cl- clc cle clf cli cll clp clr cls cpc cpe cpf cpi cpl cpp cpr cps crc cre crf cri crl crp crr crs csc cse csf csi csl csp csr css ec- ecc ece ecf eci ecl ecr ecs eec eee eef eel eep eer ees ef- efc efe eff efi efl efp efr efs eic eie eif eii eil eip eir eis elc ele elf eli ell elp elr els ep- epc epe epf epi epl epp epr eps erc ere erf eri erl erp err ers es- esc ese esf esi esl esp esr ess fcc fce fcf fci fcl fcp fcr fcs fec fee fef fei fel fep fer fes ffc ffe fff ffi ffl ffp ffr ffs fic fie fif fii fil fip fir fis flc fle flf fli fll flp flr fls fpc fpe fpi fpl fpp fpr fps frc fre frf fri frl frp frr frs fsc fse fsf fsi fsl fsp fsr fss i-f icc ice icf ici icl icp icr ics ie- iec iee ief iei iel iep ier ies ifc ife iff ifi ifl ifp ifr ifs iic iie iif iii iil iip iir iis il- ilc ile ilf ili ill ilp ilr ils ipc ipe ipf ipi ipl ipp ipr ips ir- irc ire irf iri irl irp irr irs is- isc ise isf isi isl isp isr iss l-p lcc lce lcf lci lcl lcp lcr lcs lec lee lef lei lel lep ler les lfc lfe lff lfi lfl lfp lfr lfs lic lie lif lii lil lip lir lis llc lle llf lli lll llp llr lls lpc lpe lpf lpi lpl lpp lpr lps lrc lrf lri lrp lrr lrs lsc lse lsf lsi lsl lsp lsr lss p-p pcc pce pcf pci pcl pcp pcr pcs pec pee pef pei pel pep per pes pfc pfe pff pfi pfl pfp pfr pfs pic pie pif pii pil pip pir pis plc ple plf pli pll plp plr pls ppc ppe ppf ppi ppl ppp ppr pps prc pre prf pri prl prp prr prs ps- psc pse psf psi psl psp psr pss rcc rce rcf rci rcl rcp rcr rcs re- rec ree ref rei rel rep rer res rfc rfe rff rfi rfl rfp rfr rfs ric rie rif rii ril rip rir ris rlc rle rlf rli rll rlp rlr rls rpc rpe rpf rpi rpl rpp rpr rps rrc rrf rri rrl rrp rrr rrs rsc rse rsf rsi rsl rsp rsr rss scc sce scf sci scl scp scr scs se- sec see sef sei sel sep ser ses sfc sfe sff sfi sfl sfp sfr sfs sic sie sif sii sil sip sir sis slc sle slf sli sll slp slr sls spc spe spf spi spl spp spr sps sr- src sre srf sri srl srp srr srs ss- ssc sse ssf ssi ssl ssp ssr sss