sori soro sorr sors sort sose sosi soso soss sost sote sotl soto sots sreo sres srfi sris sros srtr ssee sses sset ssfl ssis ssit ssle sslt ssot ssri ssrl ssrs sssf sssi ssss sstl ssts stee stef stel steo ster stes stet stie stif stil stio stir stis stit stle stlo stlt stoe stof stol stoo stor stos stot stre stri stro strs stsf stsi stss sttr teef teel teer tees teet teff tefi tefl teft teie teil teir teis tel- tele teli tell telo tels telt teor teos ter- tere terf teri tero terr ters tese tesl teso tess test tete teti teto tetr tets tett tfot tfrs tfsi tfss tie- tiee tief tiei tiel tieo tier ties tiet tiff tifo tift tiit tile till tilo tilr tils tilt tios tire tiri tirl tiro tirr tirs tise tisi tiso tiss tist tite titi tito tits titt tlli tlos tlrs toee toei toer toes toet toff tofi tofo toft toie toil tois toit tol- tole toli toll tolo tolt toof tool toor toos toot tore torf tori toro torr tors tort tose tosi toso toss tost tote toti toto totr tots tott tre- tree tref trei treo tres tret trfr tri- trie trif tril trio tris trit troe troi troo tros trot trsi trst trte trtr tses tset tsfl tsis tsoi tsol tsos tsse tssf tssi tssr tsst tsts tteo tter ttff ttoe ttss tttt