a-a aaa aae aaf aag aam aan aea aee aef aeg aem aen af- afa afe aff afg afm afn ag- aga age agf agg agm agn ama ame amf amg amm amn an- ana ane anf ang anm ann eaa eae eaf eag eam ean eea eee eef eeg eem een ef- efa efe eff efg efm ega ege egf egg egm egn em- ema eme emf emg emm emn en- ena ene enf eng enm enn faa fae faf fag fam fan fea fee fef feg fem fen ffa ffe fff ffg ffm ffn fga fge fgf fgg fgm fgn fma fme fmf fmg fmm fmn fna fne fnf fng fnm fnn gaa gae gaf gag gam gan ge- gea gee gef geg gem gen gfa gfe gff gfm gga ggg ggm ggn gma gme gmf gmg gmm gmn gna gne gnf gnm gnn m-f maa mae maf mag mam man mea mee mef meg mem men mfa mfe mff mfg mfm mfn mga mge mgf mgm mgn mma mme mmf mmg mmm mmn mna mne mnf mng mnm mnn naa nae naf nag nam nan ne- nea nee nef neg nem nen nfa nfe nff nfn nga nge ngf ngg ngm ngn nma nme nmg nmm nmn nna nne nnf nng nnm nnn