dddd ddss ddts dhis didi dids diii diis dis- disd dish disi diss dist dith diti dits ditt dshs dssi dsst dsts dthd dtss h-ii hdhs hdss hdtt hhds hhhh hhhs hidi hids hihi hiht hiis hiit hisd hish hiss hist hiti hits hitt hshs hsts hths idid idis idss idts ihis ihit ihss iiht iiii iiis iiit iisd iisi iist iitt isds ishi ishs isis isit issh issi isss istd isth isti ists iths itis itsi s-ii sdds sdhd sdhs sdss shhh shhs shid shih shii shis shit shts sidd sidh sidi sids sihi sihs siht siit sisd sish sisi siss sist sit- sitd sith siti sits sitt ssdd sshs ssid ssis ssit sssh sssi ssss sstd ssth ssts stds sths stid stih stis stit stsi stss sttd tdhs tdis tdss thds thi- this thsd thss thts tidd tids tiht tiit tish tisi tiss tist tith titi tits titt tshi tshs tsid tsis tssi tsst tsts ttss tttt