a-a aaa aae aaf aag aam aao aas aea aee aef aeg aem aeo aes af- afa afe aff afg afm afo afs ag- aga age agf agg agm ago ags ama ame amf amg amm amo ams aoa aoe aof aog aom aoo aos as- asa ase asf asg asm aso ass eaa eae eaf eag eam eao eas eea eee eef eeg eem eeo ees ef- efa efe eff efg efm efo efs ega ege egf egg egm ego egs em- ema eme emf emg emm emo ems eo- eoa eoe eof eog eom eoo eos es- esa ese esf esg esm eso ess faa fae faf fag fam fao fas fea fee fef feg fem feo fes ffa ffe fff ffg ffm ffo ffs fga fge fgf fgg fgm fgs fma fme fmf fmg fmm fmo fms foa foe fof fog fom foo fos fsa fse fsf fsg fsm fso fss gaa gae gaf gag gam gao gas ge- gea gee gef geg gem geo ges gfa gfe gff gfm gfo gfs gga ggg ggm ggo ggs gma gme gmf gmg gmm gmo gms goa goe gof gog gom goo gos gsa gse gsf gsg gsm gso gss m-f m-o maa mae maf mag mam mao mas mea mee mef meg mem meo mes mfa mfe mff mfg mfm mfo mfs mga mge mgf mgm mgo mgs mma mme mmf mmg mmm mmo mms moa moe mof mog mom moo mos msa mse msf msg msm mso mss oaa oae oaf oag oam oao oas oea oee oef oeg oem oeo oes of- ofa ofe off ofg ofm ofo ofs oga oge ogf ogg ogo ogs om- oma ome omf omg omm omo oms oo- ooa oof oog oom ooo oos os- osa ose osf osg osm oso oss saa sae saf sag sam sao sas se- sea see sef seg sem seo ses sfa sfe sff sfg sfm sfo sfs sga sge sgf sgg sgm sgo sgs sma sme smf smg smm smo sms soa soe sof sog som soo sos ss- ssa sse ssf ssg ssm sso sss