ddd ddf ddi ddn ddt dfd dff dfi dfn dft di- did dif dii din dit dnd dnf dni dnn dnt dtd dtf dti dtn dtt fdd fdf fdi fdn fdt ffd fff ffi ffn fft fid fif fii fin fit fnd fnf fni fnn fnt ftd ftf fti ftn ftt i-d i-f idd idf idi idn idt ifd iff ifi ifn ift iid iif iii iin iit in- ind inf ini inn int itd itf iti itn itt n-i ndd ndf ndi ndn ndt nfd nff nfi nfn nft nid nif nii nin nit nnf nni nnn nnt ntd ntf nti ntn ntt tdd tdf tdi tdn tdt tfd tff tfi tfn tft tid tif tii tin tit tnd tnf tni tnn tnt ttd ttf tti ttn ttt