sost sote sotm soto sots srem sreo sres srfi srim sris sros srtr ssee ssem sses sset ssis ssit ssot ssri ssrm ssrs sssf sssi sssm ssss ssts stee stef stem steo ster stes stet stie stif stim stio stir stis stit stms stmt stoe stof stom stoo stor stos stot stre stri stro strs stsf stsi stsm stss sttr t-mo teef teem teer tees teet teff tefi teft teie teim teir teis teme temo tems teom teor teos ter- tere terf teri term tero terr ters tese teso tess test tete teti teto tetr tets tett tfot tfrs tfsi tfss tie- tiee tief tiei tieo tier ties tiet tiff tifo tift tiit time timi timm timo tims tios tire tiri tiro tirr tirs tise tisi tism tiso tiss tist tite titi tito tits titt tmos tmro tmsi tmtt toee toei toer toes toet toff tofi tofo toft toie tois toit tome tomi tomm tomo toms tomt toof toom toor toos toot tore torf tori torm toro torr tors tort tose tosi toso toss tost tote toti totm toto totr tots tott tre- tree tref trei trem treo tres tret trfm trfr tri- trie trif trim trio tris trit trmi trms troe troi trom troo tros trot trsi trst trte trtr tses tset tsfm tsis tsoi tsom tsos tsse tssf tssi tssm tssr tsst tstm tsts tteo tter ttff ttim ttms ttoe ttss tttt