sctn sctr scts sdcc sddc sdds sdfc sdna sdrc sdrs sdsc sdsf sdss sfar sfas sfca sfcc sfcs sfdc sffc sfnt sfra sfrc sfss sfts snad snar snas snat snca sncc sncf snda snns snra snrs snsd sntr sraf sras srcc srct srfc srna srnn srsd srta srtr ssaa ssac ssan ssas ssat ssca sscc sscs ssdc ssdd ssdf ssfc ssns ssra ssrc ssrs sssa sssc sssf ssss ssta sstc sstd ssts stac stad stan star stas stat stca stcc stcs stds stfc stfn stnd stnn stnr stns stra strc strd strn strs stsf stss sttc sttd sttr taa- taaf taan taar taas taat taca tacc tacs tact tada tads tafa tafc taff taft tana tand tann tans tant tara tarc tard tarf tarn tarr tars tart tasa tasc tasr tass tast tata tatr tats tatt tcad tcca tccc tcdd tcfc tcnn tctc tcts tdac tdff tdna tdra tdss tfca tfdc tfrs tfsd tfss tftc tnca tncc tndd tndf tnfc tnts traa trac trad traf tran tras trat trca trcc trfc trfd trfr trna trra trsd trst trtc trtr tsaa tsar tsat tsca tscc tsfc tsna tssa tssf tssr tsst tstc tsts ttcn ttfa ttfc ttff ttfn ttss tttt