ddd ddf ddg ddi ddu dfd dff dfg dfi dfu dgd dgf dgg dgi dgu di- did dif dig dii diu dud duf dug dui fdd fdf fdg fdi fdu ffd fff ffg ffi ffu fgd fgf fgg fgi fid fif fig fii fiu fud fuf fug fui fuu g-d gdd gdf gdi gdu gfd gff gfi ggd ggg ggi ggu gid gif gig gii giu gu- gud guf gug gui guu i-d i-f idd idf idg idi idu ifd iff ifg ifi ifu igd igf igg igi igu iid iif iii iiu iu- iud iug iui udd udf udg udi udu ufd uff ufg ufi ufu ugf ugg ugi ugu uid uif uig uii uiu uug uuu