-er -ic c-- ccc cce cci ccl ccm ccr ccs ce- cec cee cei cel cem cer ces ci- cic cie cii cil cim cir cis cl- clc cle cli cll clm clr cls cmc cme cmi cml cmm cmr cms crc cre cri crl crm crr crs csc cse csi csl csm csr css ec- ecc ece eci ecl ecm ecr ecs eec eee eel eem eer ees eic eie eii eil eim eir eis elc ele eli ell elm elr els em- emc eme emi eml emm emr ems erc ere eri erl erm err ers es- esc ese esi esl esm esr ess icc ice ici icl icm icr ics ie- iec iee iei iel iem ier ies iic iie iii iil iim iir iis il- ilc ile ili ill ilm ilr ils im- imc ime imi iml imm ims ir- irc ire iri irl irm irr irs is- isc ise isi isl ism isr iss lcc lce lci lcl lcm lcr lcs lec lee lei lel lem ler les lic lie lii lil lim lir lis llc lle lli lll llm llr lls lmc lme lmi lml lmm lmr lms lrc lri lrm lrr lrs lsc lse lsi lsl lsm lsr lss m-r mc- mcc mce mci mcl mcm mcr mcs mec mee mei mel mem mer mes mi- mic mie mii mil mim mir mis mlc mle mli mll mlm mlr mls mmc mme mmi mml mmm mmr mms mrc mre mri mrl mrm mrr mrs msc mse msi msl msm msr mss rcc rce rci rcl rcm rcr rcs re- rec ree rei rel rem rer res ric rie rii ril rim rir ris rlc rle rli rll rlm rlr rls rmc rme rmi rml rmm rmr rms rrc rri rrl rrm rrr rrs rsc rse rsi rsl rsm rsr rss scc sce sci scl scm scr scs se- sec see sei sel sem ser ses sic sie sii sil sim sir sis slc sle sli sll slm slr sls smc sme smi sml smm smr sms sr- src sre sri srl srm srr srs ss- ssc sse ssi ssl ssm ssr sss