setc sete setl seto sets sett slcc slcd slds sled slee sler sles slet sloc slod sloe sloo slos slot slrc slre slrs slsc slst slts soce socl soco socr socs sodd sode sodo sods soec soel soeo soes sold sole soll solo solr sols solt sood sool soor soos soot sord sore soro sorr sors sort sose soso soss sost sotc sote sotl soto sots srcc srct srde srec sreo sres sros srsd srtr sscc ssce sscs ssdc ssdd ssec ssee sses sset sslc ssle sslt ssoc ssot ssrc ssrl ssrs sssc ssss sstc sstd sstl ssts stcc stcs stds stec sted stee stel steo ster stes stet stlc stld stle stlo stlt stod stoe stol stoo stor stos stot strc strd stre stro strs stss sttc sttd sttr tccc tcdd tcos tctc tcts tdes tdls tdor tdse tdss tecl teco tecr tecs tect tedd tede teds teec teed teel teer tees teet tel- telc teld tele tell telo tels telt teor teos ter- terc tere tero terr ters tesc tesd tese tesl teso tess test tete teto tetr tets tett tlco tldr tlos tlrs toce toco todd tode todo tods todt toed toee toer toes toet tol- told tole toll tolo tolt tood tool toor toos toot torc tord tore toro torr tors tort tosc tose toso toss tost totc totd tote toto totr tots tott trcc trcl tre- trec tred tree treo tres tret troc trod troe troo tros trot trsd trst trtc trte trtr tscc tsec tses tset tsol tsos tsse tssr tsst tstc tsts tteo tter ttoe ttss tttt