slst slts sncc sncf snco snlf snns snoc snod snoo snor snos snot snrs snsd sntr socl soco socr socs sodd sodo sods sofo soft sold solf soll soln solo solr sols solt son- sond sono sons sont sood soof sool soon soor soos soot sord sorn soro sorr sors sort soso soss sost sotc sotl sotn soto sots srcc srct srfc srnn srno sros srsd srtr sscc sscs ssdc ssdd ssdf ssfc ssfl sslc sslt ssns ssoc ssot ssrc ssrl ssrs sssc sssf ssss sstc sstd sstl ssts stcc stcs stds stfc stfn stlc stld stln stlo stlt stnd stnn stnr stns stod stof stol ston stoo stor stos stot strc strd strn stro strs stsf stss sttc sttd sttr tccc tcdd tcfc tcnn tcon tcos tctc tcts tdff tdls tdor tdss tfdc tfot tfrs tfsd tfss tftc tlco tldr tlon tlos tlrs tncc tndd tndf tnfc tnfl tnts toco todd todo tods todt toff tofo toft tol- told toll tolo tolt tonn tono tons tood toof tool toon toor toos toot torc tord torf torn toro torr tors tort tosc toso toss tost totc totd toto totr tots tott trcc trcl trfc trfd trfr trno troc trod tron troo tros trot trsd trst trtc trtr tscc tsfc tsfl tsol tsos tssf tssr tsst tstc tsts ttcn ttfc ttff ttfn tton ttss tttt