-er a-a aaa aae aaf aam aan aar aas aea aee aef aem aen aer aes af- afa afe aff afm afn afr afs ama ame amf amm amn amr ams an- ana ane anf anm ann anr ans ar- ara are arf arm arn arr ars as- asa ase asf asm asn asr ass eaa eae eaf eam ean ear eas eea eee eef eem een eer ees ef- efa efe eff efm efr efs em- ema eme emf emm emn emr ems en- ena ene enf enm enn enr ens era ere erf erm ern err ers es- esa ese esf esm esn esr ess faa fae faf fam fan far fas fea fee fef fem fen fer fes ffa ffe fff ffm ffn ffr ffs fma fme fmf fmm fmn fmr fms fna fne fnf fnm fnn fnr fns fra fre frf frm frn frr frs fsa fse fsf fsm fsn fsr fss m-f m-r maa mae maf mam man mar mas mea mee mef mem men mer mes mfa mfe mff mfm mfn mfr mfs mma mme mmf mmm mmn mmr mms mna mne mnf mnm mnn mnr mns mra mre mrf mrm mrn mrr mrs msa mse msf msm msn msr mss naa nae naf nam nan nar nas ne- nea nee nef nem nen ner nes nfa nfe nff nfn nfr nfs nma nme nmm nmn nmr nms nna nne nnf nnm nnn nns nra nre nrf nrm nrn nrr nrs nsa nse nsf nsm nsn nsr nss ra- raa rae raf ram ran rar ras re- rea ree ref rem ren rer res rfa rfe rff rfm rfn rfr rfs rma rme rmf rmm rmn rmr rms rna rnm rnn rnr rns rra rrf rrm rrn rrr rrs rsa rse rsf rsm rsn rsr rss saa sae saf sam san sar sas se- sea see sef sem sen ser ses sfa sfe sff sfm sfn sfr sfs sma sme smf smm smn smr sms sna sne snf snm snn snr sns sr- sra sre srf srm srn srr srs ss- ssa sse ssf ssm ssn ssr sss