a-a a-t aaa aae aaf aag aam aas aat aea aee aef aeg aem aes aet af- afa afe aff afg afm afs aft ag- aga age agf agg agm ags agt ama ame amf amg amm ams amt as- asa ase asf asg asm ass ast at- ata ate atf atg atm ats att eaa eae eaf eag eam eas eat eea eee eef eeg eem ees eet ef- efa efe eff efg efm efs eft ega ege egf egg egm egs egt em- ema eme emf emg emm ems emt es- esa ese esf esg esm ess est eta ete etf etg etm ets ett faa fae faf fag fam fas fat fea fee fef feg fem fes fet ffa ffe fff ffg ffm ffs fft fga fge fgf fgg fgm fgs fgt fma fme fmf fmg fmm fms fmt fsa fse fsf fsg fsm fss fst fta fte ftf ftg ftm fts ftt gaa gae gaf gag gam gas gat ge- gea gee gef geg gem ges get gfa gfe gff gfm gfs gft gga ggg ggm ggs ggt gma gme gmf gmg gmm gms gmt gsa gse gsf gsg gsm gss gst gta gte gtf gtg gtm gts gtt m-f maa mae maf mag mam mas mat mea mee mef meg mem mes met mfa mfe mff mfg mfm mfs mft mga mge mgf mgm mgs mgt mma mme mmf mmg mmm mms mmt msa mse msf msg msm mss mst mta mte mtf mtg mtm mts mtt saa sae saf sag sam sas sat se- sea see sef seg sem ses set sfa sfe sff sfg sfm sfs sft sga sge sgf sgg sgm sgs sgt sma sme smf smg smm sms smt ss- ssa sse ssf ssg ssm sss sst sta ste stf stg stm sts stt taa tae taf tag tam tas tat te- tea tee tef teg tem tes tet tfa tfe tff tfg tfm tfs tft tga tge tgf tgg tgm tgs tgt tma tme tmf tmg tmm tms tmt tsa tse tsf tsg tsm tss tst tta tte ttf ttg ttm tts ttt