dddd ddss ddts didi dids diii diis din- dini dinn dins dint dis- disd disi diss dist diti dits ditt dnis dntt dssi dssn dsst dstn dsts dtss idid idin idis idss idts iiii iiis iiit iisd iisi iist iitt ind- indi inds inid inis init inni inns inss inst intd inti intn ints isdn isds isin isis isit isnt issi isss istd isti ists itin itis itsi n-ii ndnt ndsi ndss nidd nidi nids niit nind nini nins nisd nisi niss nist niti nits nnit nnnn nnss nntn nsds nsdt nsin nsis nsss nstd nsts ntds ntis ntnd ntss s-ii sdds sdss sidd sidi sids siit sind sini sinn sins sint sisd sisi siss sist sit- sitd siti sitn sits sitt snid snit snns snsd ssdd ssid ssin ssis ssit ssns sssi ssss sstd ssts stds stid stis stit stnd stnn stns stsi stss sttd tdis tdss tidd tids tiit tind tini tinn tins tint tisi tiss tist titi tits titt tndd tnts tsid tsin tsis tssi tsst tsts ttss tttt