-er a-a aaa aae aaf aag aam aar aas aea aee aef aeg aem aer aes af- afa afe aff afg afm afr afs ag- aga age agf agg agm agr ags ama ame amf amg amm amr ams ar- ara are arf arg arm arr ars as- asa ase asf asg asm asr ass eaa eae eaf eag eam ear eas eea eee eef eeg eem eer ees ef- efa efe eff efg efm efr efs ega ege egf egg egm egr egs em- ema eme emf emg emm emr ems era ere erf erg erm err ers es- esa ese esf esg esm esr ess faa fae faf fag fam far fas fea fee fef feg fem fer fes ffa ffe fff ffg ffm ffr ffs fga fge fgf fgg fgm fgr fgs fma fme fmf fmg fmm fmr fms fra fre frf frg frm frr frs fsa fse fsf fsg fsm fsr fss gaa gae gaf gag gam gar gas ge- gea gee gef geg gem ger ges gfa gfe gff gfm gfr gfs gga ggg ggm ggr ggs gma gme gmf gmg gmm gmr gms gra gre grf grg grm grr grs gsa gse gsf gsg gsm gsr gss m-f m-r maa mae maf mag mam mar mas mea mee mef meg mem mer mes mfa mfe mff mfg mfm mfr mfs mga mge mgf mgm mgr mgs mma mme mmf mmg mmm mmr mms mra mre mrf mrg mrm mrr mrs msa mse msf msg msm msr mss ra- raa rae raf rag ram rar ras re- rea ree ref reg rem rer res rfa rfe rff rfg rfm rfr rfs rga rge rgf rgg rgr rgs rma rme rmf rmg rmm rmr rms rra rrf rrg rrm rrr rrs rsa rse rsf rsg rsm rsr rss saa sae saf sag sam sar sas se- sea see sef seg sem ser ses sfa sfe sff sfg sfm sfr sfs sga sge sgf sgg sgm sgr sgs sma sme smf smg smm smr sms sr- sra sre srf srg srm srr srs ss- ssa sse ssf ssg ssm ssr sss