-er -ic c-- ccc cce cci ccl ccm ccp ccr ccs ce- cec cee cei cel cem cep cer ces ci- cic cie cii cil cim cip cir cis cl- clc cle cli cll clm clp clr cls cmc cme cmi cml cmm cmp cmr cms cpc cpe cpi cpl cpm cpp cpr cps crc cre cri crl crm crp crr crs csc cse csi csl csm csp csr css ec- ecc ece eci ecl ecm ecr ecs eec eee eel eem eep eer ees eic eie eii eil eim eip eir eis elc ele eli ell elm elp elr els em- emc eme emi eml emm emp emr ems ep- epc epe epi epl epm epp epr eps erc ere eri erl erm erp err ers es- esc ese esi esl esm esp esr ess icc ice ici icl icm icp icr ics ie- iec iee iei iel iem iep ier ies iic iie iii iil iim iip iir iis il- ilc ile ili ill ilm ilp ilr ils im- imc ime imi iml imm imp ims ipc ipe ipi ipl ipm ipp ipr ips ir- irc ire iri irl irm irp irr irs is- isc ise isi isl ism isp isr iss l-p lcc lce lci lcl lcm lcp lcr lcs lec lee lei lel lem lep ler les lic lie lii lil lim lip lir lis llc lle lli lll llm llp llr lls lmc lme lmi lml lmm lmp lmr lms lpc lpe lpi lpl lpm lpp lpr lps lrc lri lrm lrp lrr lrs lsc lse lsi lsl lsm lsp lsr lss m-r mc- mcc mce mci mcl mcm mcp mcr mcs mec mee mei mel mem mep mer mes mi- mic mie mii mil mim mip mir mis mlc mle mli mll mlm mlp mlr mls mmc mme mmi mml mmm mmp mmr mms mpc mpe mpi mpl mpm mpp mpr mps mrc mre mri mrl mrm mrp mrr mrs msc mse msi msl msm msp msr mss p-p pcc pce pci pcl pcm pcp pcr pcs pec pee pei pel pem pep per pes pic pie pii pil pim pip pir pis plc ple pli pll plm plp plr pls pmc pme pmi pml pmm pmp pmr pms ppc ppe ppi ppl ppm ppp ppr pps prc pre pri prl prm prp prr prs ps- psc pse psi psl psm psp psr pss rcc rce rci rcl rcm rcp rcr rcs re- rec ree rei rel rem rep rer res ric rie rii ril rim rip rir ris rlc rle rli rll rlm rlp rlr rls rmc rme rmi rml rmm rmp rmr rms rpc rpe rpi rpl rpm rpp rpr rps rrc rri rrl rrm rrp rrr rrs rsc rse rsi rsl rsm rsp rsr rss scc sce sci scl scm scp scr scs se- sec see sei sel sem sep ser ses sic sie sii sil sim sip sir sis slc sle sli sll slm slp slr sls smc sme smi sml smm smp smr sms spc spe spi spl spm spp spr sps sr- src sre sri srl srm srp srr srs ss- ssc sse ssi ssl ssm ssp ssr sss