-er -ic c-- ccc cce ccf cci ccl ccm ccp ccr ce- cec cee cef cei cel cem cep cer cfc cfe cff cfi cfl cfm cfp cfr ci- cic cie cif cii cil cim cip cir cl- clc cle clf cli cll clm clp clr cmc cme cmf cmi cml cmm cmp cmr cpc cpe cpf cpi cpl cpm cpp cpr crc cre crf cri crl crm crp crr ec- ecc ece ecf eci ecl ecm ecr eec eee eef eel eem eep eer ef- efc efe eff efi efl efm efp efr eic eie eif eii eil eim eip eir elc ele elf eli ell elm elp elr em- emc eme emf emi eml emm emp emr ep- epc epe epf epi epl epm epp epr erc ere erf eri erl erm erp err fcc fce fcf fci fcl fcm fcp fcr fec fee fef fei fel fem fep fer ffc ffe fff ffi ffl ffm ffp ffr fic fie fif fii fil fim fip fir flc fle flf fli fll flm flp flr fmc fme fmf fmi fml fmm fmp fmr fpc fpe fpi fpl fpm fpp fpr frc fre frf fri frl frm frp frr i-f icc ice icf ici icl icm icp icr ie- iec iee ief iei iel iem iep ier ifc ife iff ifi ifl ifm ifp ifr iic iie iif iii iil iim iip iir il- ilc ile ilf ili ill ilm ilp ilr im- imc ime imf imi iml imm imp ipc ipe ipf ipi ipl ipm ipp ipr ir- irc ire irf iri irl irm irp irr l-p lcc lce lcf lci lcl lcm lcp lcr lec lee lef lei lel lem lep ler lfc lfe lff lfi lfl lfm lfp lfr lic lie lif lii lil lim lip lir llc lle llf lli lll llm llp llr lmc lme lmf lmi lml lmm lmp lmr lpc lpe lpf lpi lpl lpm lpp lpr lrc lrf lri lrm lrp lrr m-f m-r mc- mcc mce mcf mci mcl mcm mcp mcr mec mee mef mei mel mem mep mer mfc mfe mff mfi mfl mfm mfp mfr mi- mic mie mif mii mil mim mip mir mlc mle mlf mli mll mlm mlp mlr mmc mme mmf mmi mml mmm mmp mmr mpc mpe mpf mpi mpl mpm mpp mpr mrc mre mrf mri mrl mrm mrp mrr p-p pcc pce pcf pci pcl pcm pcp pcr pec pee pef pei pel pem pep per pfc pfe pff pfi pfl pfm pfp pfr pic pie pif pii pil pim pip pir plc ple plf pli pll plm plp plr pmc pme pmf pmi pml pmm pmp pmr ppc ppe ppf ppi ppl ppm ppp ppr prc pre prf pri prl prm prp prr rcc rce rcf rci rcl rcm rcp rcr re- rec ree ref rei rel rem rep rer rfc rfe rff rfi rfl rfm rfp rfr ric rie rif rii ril rim rip rir rlc rle rlf rli rll rlm rlp rlr rmc rme rmf rmi rml rmm rmp rmr rpc rpe rpf rpi rpl rpm rpp rpr rrc rrf rri rrl rrm rrp rrr