a-a aaa aad aaf aag aam aan aao ad- ada add adf adg adm adn ado af- afa afd aff afg afm afn afo ag- aga agd agf agg agm agn ago ama amd amf amg amm amn amo an- ana and anf ang anm ann ano aoa aod aof aog aom aon aoo daa dad daf dag dam dan dao dda ddd ddf ddg ddm ddn ddo dfa dfd dff dfg dfm dfn dfo dga dgd dgf dgg dgm dgn dma dmd dmf dmg dmm dmn dmo dna dnd dnf dng dnm dnn dno doa dod dof dog dom don doo faa fad faf fag fam fan fao fda fdd fdf fdg fdm fdn fdo ffa ffd fff ffg ffm ffn ffo fga fgd fgf fgg fgm fgn fma fmd fmf fmg fmm fmn fmo fna fnd fnf fng fnm fnn foa fof fog fom fon foo g-d gaa gad gaf gag gam gan gao gda gdd gdf gdm gdn gdo gfa gfd gff gfm gfo gga ggd ggg ggm ggn ggo gma gmd gmf gmg gmm gmn gmo gna gnd gnf gnm gnn gno goa god gof gog gom gon goo m-f m-o maa mad maf mag mam man mao mda mdd mdf mdg mdm mdn mdo mfa mfd mff mfg mfm mfn mfo mga mgd mgf mgm mgn mgo mma mmd mmf mmg mmm mmn mmo mna mnf mng mnm mnn mno moa mod mof mog mom mon moo naa nad naf nag nam nan nao nda ndd ndf ndg ndm ndn ndo nfa nfd nff nfn nfo nga ngd ngf ngg ngm ngn ngo nma nmd nmg nmm nmn nmo nna nnf nng nnm nnn nno no- noa nod nof nog nom non noo oaa oad oaf oag oam oan oao oda odd odf odg odm odn odo of- ofa ofd off ofg ofm ofn ofo oga ogd ogf ogg ogn ogo om- oma omd omf omg omm omn omo on- ona ond onf ong onn ono oo- ooa ood oof oog oom oon ooo