-er eee eel eem eer ees eie eii eil eim eir eis ele eli ell elm elr els em- eme emi eml emm emr ems ere eri erl erm err ers es- ese esi esl esm esr ess ie- iee iei iel iem ier ies iie iii iil iim iir iis il- ile ili ill ilm ilr ils im- ime imi iml imm ims ir- ire iri irl irm irr irs is- ise isi isl ism isr iss lee lei lel lem ler les lie lii lil lim lir lis lle lli lll llm llr lls lme lmi lml lmm lmr lms lri lrm lrr lrs lse lsi lsl lsm lsr lss m-r mee mei mel mem mer mes mi- mie mii mil mim mir mis mle mli mll mlm mlr mls mme mmi mml mmm mmr mms mre mri mrl mrm mrr mrs mse msi msl msm msr mss re- ree rei rel rem rer res rie rii ril rim rir ris rle rli rll rlm rlr rls rme rmi rml rmm rmr rms rri rrl rrm rrr rrs rse rsi rsl rsm rsr rss se- see sei sel sem ser ses sie sii sil sim sir sis sle sli sll slm slr sls sme smi sml smm smr sms sr- sre sri srl srm srr srs ss- sse ssi ssl ssm ssr sss