ddd ddf ddi dds ddt dfd dff dfi dfs dft di- did dif dii dis dit dsd dsf dsi dss dst dtd dtf dti dts dtt fdd fdf fdi fds fdt ffd fff ffi ffs fft fid fif fii fis fit fsd fsf fsi fss fst ftd ftf fti fts ftt i-d i-f idd idf idi ids idt ifd iff ifi ifs ift iid iif iii iis iit is- isd isf isi iss ist itd itf iti its itt sdd sdf sdi sds sdt sfd sff sfi sfs sft sid sif sii sis sit ss- ssd ssf ssi sss sst std stf sti sts stt tdd tdf tdi tds tdt tfd tff tfi tfs tft tid tif tii tis tit tsd tsf tsi tss tst ttd ttf tti tts ttt