bbbb bbbs bbdd bbin bblb bbls bdii bdin bdls bdsd bibb bibi bibl bibs bidi bids biin biis bild bili bill bils bilt bin- bind bini binn bins bint bis- bisd bisl biss bist bitd bits bitt blbt blin blis blit blls blni blss blst blts bnib bnin bnss bsbd bsdl bsin bsnd bsns bssd bsts btdt btss bttb dbit dbls dbnl dbss dbtt dddd ddss ddts dibb dibs didi dids diii diis dili dill dils din- dini dinn dins dint dis- disd disi diss dist diti dits ditt dlbd dlib dlii dlil dlis dlit dlst dnis dntt dsls dssi dssn dsst dstn dsts dtnb dtss ibid ibis ibns ibsn ibss ibtb ibtl ibts idid idil idin idis idli idls idss idts iiii iiis iiit iisd iisi iist iitt ilin ilis ilit ill- illd illi ills illt ilni ilts inbd ind- indi inds inid inis init inni inns inss inst intd inti intl intn ints isbd isbl isbn isbt isdb isdn isds isil isin isis isit isls isnt issi isss istd isti ists itbs itil itin itis itll itsi lbds ldls libs lidb lidl lids liii liin liis lilb lili lill lils lilt lind linn lins lint lisd lisi liss list litb litd liti litl lits litt llbs lldb llds llll lndn lnts lsds lsid lsts ltbl ltds ltib ltns ltnt ltsi n-ii nbti nddb ndls ndnt ndsi ndsl ndss nibi nibs nidd nidi nids niit nild nili nill nils nilt nind nini ninl nins nisd nisi nisl niss nist nitb niti nits nlls nndb nnit nnls nnnn nnsl nnss nntn nsdl nsds nsdt nsin nsis nsls nssb nsss nstd nstl nsts ntds ntis ntnd ntsb ntss s-ib s-ii sbbs sbds sbsd sbsi sbst sbtn sdds sdib sdls sdlt sdsl sdss sibi sibs sidd sidi sids siit sil- sild sili sill sils silt sind sini sinn sins sint sisd sisi siss sist sit- sitd siti sitn sits sitt sl-i slds slib slid slit slln slst slts snib snid snit snns snsd ssbn ssdd ssid ssin ssis ssit sslt ssns sssb sssi ssss sstb sstd sstl ssts stbd stbs stds stib stid stil stis stit stld stln stlt stnd stnn stns stsi stss sttd tbbs tbil tbit tbst tddb tdil tdis tdls tdss tibi tibs tidd tids tiit tild till tiln tils tilt tind tini tinn tins tint tisb tisi tiss tist titi tits titt tlli tndd tnts tsbd tsdb tsid tsin tsis tssi tsst tsts ttbb ttss tttt