ddd ddf ddg ddi ddn ddo dfd dff dfg dfi dfn dfo dgd dgf dgg dgi dgn di- did dif dig dii din dio dnd dnf dng dni dnn dno dod dof dog doi don doo fdd fdf fdg fdi fdn fdo ffd fff ffg ffi ffn ffo fgd fgf fgg fgi fgn fid fif fig fii fin fnd fnf fng fni fnn fof fog foi fon foo g-d gdd gdf gdi gdn gdo gfd gff gfi gfo ggd ggg ggi ggn ggo gid gif gig gii gin gio gnd gnf gni gnn gno god gof gog goi gon goo i-d i-f idd idf idg idi idn ido ifd iff ifg ifi ifn ifo igd igf igg igi ign igo iid iif iii iin iio in- ind inf ing ini inn ino io- iod iof iog ioi ion ioo n-i ndd ndf ndg ndi ndn ndo nfd nff nfi nfn nfo ngd ngf ngg ngi ngn ngo nid nif nig nii nin nio nnf nng nni nnn nno no- nod nof nog noi non noo o-i odd odf odg odi odn odo of- ofd off ofg ofi ofn ofo ogd ogf ogg ogi ogn ogo oid oif oii oin oio on- ond onf ong oni onn ono oo- ood oof oog ooi oon ooo