a-a aaa aae aaf aag aam aas aea aee aef aeg aem aes af- afa afe aff afg afm afs ag- aga age agf agg agm ags ama ame amf amg amm ams as- asa ase asf asg asm ass eaa eae eaf eag eam eas eea eee eef eeg eem ees ef- efa efe eff efg efm efs ega ege egf egg egm egs em- ema eme emf emg emm ems es- esa ese esf esg esm ess faa fae faf fag fam fas fea fee fef feg fem fes ffa ffe fff ffg ffm ffs fga fge fgf fgg fgm fgs fma fme fmf fmg fmm fms fsa fse fsf fsg fsm fss gaa gae gaf gag gam gas ge- gea gee gef geg gem ges gfa gfe gff gfm gfs gga ggg ggm ggs gma gme gmf gmg gmm gms gsa gse gsf gsg gsm gss m-f maa mae maf mag mam mas mea mee mef meg mem mes mfa mfe mff mfg mfm mfs mga mge mgf mgm mgs mma mme mmf mmg mmm mms msa mse msf msg msm mss saa sae saf sag sam sas se- sea see sef seg sem ses sfa sfe sff sfg sfm sfs sga sge sgf sgg sgm sgs sma sme smf smg smm sms ss- ssa sse ssf ssg ssm sss