dddd ddss ddts didi dids diii diis dili dill dils dis- disd disi diss dist diti dits ditt dlii dlil dlis dlit dlst dsls dssi dsst dsts dtss idid idil idis idli idls idss idts iiii iiis iiit iisd iisi iist iitt ilis ilit ill- illd illi ills illt ilts isds isil isis isit isls issi isss istd isti ists itil itis itll itsi ldls lidl lids liii liis lili lill lils lilt lisd lisi liss list litd liti litl lits litt llds llll lsds lsid lsts ltds ltsi s-ii sdds sdls sdlt sdsl sdss sidd sidi sids siit sil- sild sili sill sils silt sisd sisi siss sist sit- sitd siti sits sitt sl-i slds slid slit slst slts ssdd ssid ssis ssit sslt sssi ssss sstd sstl ssts stds stid stil stis stit stld stlt stsi stss sttd tdil tdis tdls tdss tidd tids tiit tild till tils tilt tisi tiss tist titi tits titt tlli tsid tsis tssi tsst tsts ttss tttt