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

dddd ddss ddts dfds dfdt dfts didi dids dif- diff difs diii diis dis- disd disi diss dist diti dits ditt dsif dssi dsst dsts dtss fdst fdti ffff ffii ffss fftf fidf fids fiff fifi fift fiii fisd fisi fiss fist fiti fits fitt fsfi fssf ftdi ftii idid idis idsf idss idts ifid ifis ifit iiii iiis iiit iisd iisi iist iitt isds isis isit issf issi isss istd isti ists itif itis itsf itsi ittf s-ii sdds sdif sdsf sdss sfss sfts sidd sidi sids siff sift siit sisd sisi siss sist sit- sitd siti sits sitt ssdd ssdf ssid ssis ssit sssf sssi ssss sstd ssts stds stid stif stis stit stsf stsi stss sttd tdff tdis tdss tfsd tfsi tfss tidd tids tiff tift tiit tisi tiss tist titi tits titt tsid tsis tssf tssi tsst tsts ttff ttss tttt

-itis ddddd didit didst diffs diss- dist- disti dittd ditti fissi fists fitit fitts iddfs idist if-- ifits ifttt iiiii iitti is-is isfit isisi isiti isits isitt issid itdfs itdid itfit itisi itsit ittti s-iii siddi sidis sifts sisid sisis sissi sists sitit sitsi sitti sssss stfis stiff stift stiif stitt ti-ti tidst tiffs tifts tisis tiss- tissi titii titis titti tsdsi ttttt

diii-d disfit disti- fissi- fittit ididit ifitis isidid isists issids itfits siiiii sisisi sittid stiffs tiddis tiff-f

fit-fit isidids sitifis sittids sssssss

i-ii-iii ifididit tf-idf

ddddddddd issisisis

iiiiiiiiiiiiiiiis