ssrs sssc sssf sssm ssss sstc ssts stcc stcs stec stee stef stem steo ster stes stet stfc stmc stms stmt stoe stof stom stoo stor stos stot strc stre stro strs stsf stsm stss sttc sttr t-mo tccc tcfc tcom tcos tctc tcts teco tecr tecs tect teec teef teem teer tees teet tefc teff teft teme temo tems teom teor teos ter- terc tere terf term tero terr ters tesc tese teso tess test tete teto tetr tets tett tfec tfot tfrs tfss tftc tmcc tmcm tmos tmro tmsc tmtt toce toco toee toer toes toet toff tofo toft tome tomm tomo toms tomt toof toom toor toos toot torc tore torf torm toro torr tors tort tosc tose toso toss tost totc tote totm toto totr tots tott trcc tre- trec tree tref trem treo tres tret trfc trfm trfr trms troc troe trom troo tros trot trst trtc trte trtr tscc tsec tses tset tsfc tsfm tsmc tsom tsos tsse tssf tssm tssr tsst tstc tstm tsts tteo tter ttfc ttff ttms ttoe ttss tttt