a-a aaa aad aaf aag aan aau ad- ada add adf adg adn adu af- afa afd aff afg afn afu ag- aga agd agf agg agn agu an- ana and anf ang ann anu au- aua aud auf aug aun daa dad daf dag dan dau dda ddd ddf ddg ddn ddu dfa dfd dff dfg dfn dfu dga dgd dgf dgg dgn dgu dna dnd dnf dng dnn dua dud duf dug dun faa fad faf fag fan fau fda fdd fdf fdg fdn fdu ffa ffd fff ffg ffn ffu fga fgd fgf fgg fgn fna fnd fnf fng fnn fnu fua fud fuf fug fun fuu g-d gaa gad gaf gag gan gau gda gdd gdf gdn gdu gfa gfd gff gga ggd ggg ggn ggu gna gnd gnf gnn gnu gu- gua gud guf gug gun guu naa nad naf nag nan nau nda ndd ndf ndg ndn ndu nfa nfd nff nfn nfu nga ngd ngf ngg ngn ngu nna nnf nng nnn nnu nua nud nug nun nuu ua- uaa uad uaf uag uan uau uda udd udf udg udn udu ufa ufd uff ufg ufn ufu uga ugf ugg ugn ugu un- una und unf ung unn unu uua uug uun uuu