scir scis scit scr- scra scrc scri scrs scsa scsc scsi scsr scst scsu sctc sctr scts scua scug scur scut sgaa sgac sgau sgca sgcg sggg sggs sgic sgss sgta sgts siaa siac siag siai sias siat siau sica sicc sici sics sicu siga sigg sigi sigs siit sira sirc siri sirr sirs sirt siru sisa sisc sisi siss sist sisu sit- sita sitc siti sits sitt situ siui sius siut sras srcc srct sris srta srtr ssaa ssac ssas ssat ssau ssca sscc ssci sscs ssgs ssgt ssis ssit ssra ssrc ssrg ssri ssrs sssa sssc sssi ssss ssta sstc ssts stac stag stai star stas stat stau stca stcc stcs stcu stgr stia stic stig stir stis stit stra strc stri strs stru stsi stss sttc sttr stuc stug stur stus stut suar suas suat suc- succ suci sucr sucs sug- suga sugg sugi suig suir suis suit sur- sura surc surg suri surr surs surt suru sus- susa susi suss sust susu suta suti sutu suus taa- taag taar taas taat taca tacc taci tacs tact taga tagg tagi tags tagu taia taig tair tais tait tara tarc targ tari tarr tars tart taru tasa tasc tasi tasr tass tast tasu tata tati tatr tats tatt tatu taua tauc taur taus taut tcca tccc tccu tcga tctc tcts tgcc tgtc tgts tiaa tiar tias tica ticc tics tiga tigi tigr tigs tiit tiiu tira tiri tirr tirs tiru tisa tisi tiss tist tita titc titi tits titt titu traa trac trag trai tras trat trau trca trcc tri- tria tric trig tris trit trra trsi trst trtc trtr truc trug trus trut truu tsaa tsai tsar tsat tsau tsca tscc tscg tsgt tsia tsig tsis tssa tssg tssi tssr tsst tstc tsts tsui ttss tttt tuar tuas tuat tuca tucc tuga tugg tugs tugu tuig tuis tuit tuiu tura turc turg turi turr turs turt turu tusa tusc tusi tuss tust tuta tuti tuts tutt tutu uaca uair uarc uars uart uaru uasa uata uatu uaua ucai ucar ucas ucat ucca ucci ucrc ucsa ucsc ucst ucsu ucua ucut ugar ugcc ugcg uggs uggt ugia ugis ugra ugri ugta ugur uguu uica uira uirr uist uits urac urai uras urat urau urca urci urga urgi urgu uria uric uris uriu urra urri ursa ursi urss ursu urts urur urus urut us-a usaa usac usag usar usas usat usca uscc uscg uscs usga usia usis usra ussa ussc ussr usss usst ussu usta ustc usti usts usua usui usus utac utai utas utau utia utis utri utsa utsc utti uttu utug uuri uusi uuta uuuu