stos stot stss sttc sttd tbbs tbcb tbcc tbcd tbce tbst tcbs tccc tcdd tcos tctc tcts tddb tdes tdls tdse tdss tebo tecl teco tecs tect tedd tede teds teec teed teel tees teet tel- telc teld tele tell telo tels telt teos tesc tesd tese tesl teso tess test tete teto tets tett tlco tlos tobe tobo tobs tobt toce toco todd tode todo tods todt toed toee toes toet tol- told tole toll tolo tolt tood tool toos toot tosb tosc tose toso toss tost totc totd tote toto tots tott tsbc tsbd tscc tsdb tsec tses tset tsob tsol tsos tsse tsst tstc tsts ttbb tteo ttoe ttss tttt