sstd ssth sstl ssts stad stal stan stas stat stds sthn sths stld stlh stln stlo stlt stnd stnn stns stoa stod stol ston stoo stos stot stss sttd taa- taal taan taas taat tada tado tads taha tahn taho tahs tala talh tall talo tals tana tand tanh tann tano tans tant taoa taos tasa tash tass tast tata tath tato tats tatt tdal tdhs tdls tdna tdss thaa thad thal than thao thas that thds thnt thon thoo thos thot thsd thss thts tlon tlos tndd tnla tnsh tnts toad toal toan toas toat toda todd todo tods todt toho tol- tola told toll tolo tolt tona tonh tonn tono tons tooa tood tooh tool toon toos toot tosa tosh toso toss tost tota totd toth toto tots tott tsaa tsal tsao tsat tshs tsna tsol tsos tssa tsst tsts tton ttss tttt