scsc scsn scsr scst scsu sctc sctn sctr scts scua scum scun scur scut smaa smac sman smas smat smcc smnc smrt smsc smsn smss smtc smtn smtu smur smus smut snam snar snas snat snca sncc snns snra snrs sntr snum snur snus sram sras srcc srct srmc srna srnn srta srtr ssaa ssac ssam ssan ssas ssat ssau ssca sscc sscs ssmc ssns ssra ssrc ssrm ssrs sssa sssc sssm ssss ssta sstc ssts stac stam stan star stas stat stau stca stcc stcs stcu stmc stms stmt stnn stnr stns stra strc strn strs stru stsm stss sttc sttr stuc stum stun stur stus stut suam suan suar suas suat suc- succ sucr sucs sum- suma sums sumu sun- suna sunn suns sunt sunu sur- sura surc surn surr surs surt suru sus- susa suss sust susu suta sutu suum suus taa- taan taar taas taat taca tacc tacs tact tama tamc tamm tams tamu tana tann tans tant tanu tara tarc tarm tarn tarr tars tart taru tasa tasc tasm tasr tass tast tasu tata tatr tats tatt tatu taua tauc taum taur taus taut tcam tcca tccc tccu tcnn tctc tcts tmaa tmac tman tmca tmcc tmcm tmnt tmsa tmsc tmtt tnca tncc tnts tnut traa trac tram tran tras trat trau trca trcc trma trms trmu trna trra trst trtc trtr truc trun trus trut truu tsaa tsam tsar tsat tsau tsca tscc tsmc tsna tssa tssm tssr tsst tstc tstm tsts tsum tsun ttcn ttma ttms ttss tttt tuam tuan tuar tuas tuat tuca tucc tuma tums tumu tuna tunc tunn tuns tunu tura turc turm turn turr turs turt turu tusa tusc tusm tuss tust tuta tuts tutt tutu tuum uaca uamc uams uarc uars uart uaru uasa uata uatu uaua ucam ucan ucar ucas ucat ucca ucmc ucrc ucsa ucsc ucsm ucst ucsu ucua ucut umaa umac uman umar umas umma umms umra umsa umsu umts umus umut unaa unac unam unan unar unas unat unau unca uncc uncs unct unma unmc unmr unna unns unra unrs uns- unsa unsc unst unts unum unus unut urac uran uras urat urau urca urma urna urns urra ursa urss ursu urts urum urun urur urus urut us-a usaa usac usan usar usas usat usca uscc uscm uscs usma usmc usmm usms usna usnc usnr usnu usra ussa ussc ussr usss usst ussu usta ustc ustm usts usua usun usus utac utan utas utau utsa utsc uttu uuta uuuu