sasa sasc sasm sass saua sauc saum saun saur saus sbaa sbac sbar sbas sbbs sbca sbcc sbcs sbma sbmc sbsa sbus scaa scab scac scam scan scar scas scba sccc sccm sccs scma scmc scmm scms scna scnr scr- scra scrc scrn scrs scsa scsc scsn scsr scsu scua scub scum scun scur smaa smac sman smas smba smbc smcc smnc smsc smsn smss smur smus snab snam snar snas snba snca sncc snns snra snrs snub snum snur snus sram sras srbc srcc srmc srna srnn srub ssaa ssab ssac ssam ssan ssas ssau ssbn ssbr ssca sscc sscs ssmc ssns ssra ssrc ssrm ssrs sssa sssb sssc sssm ssss suam suan suar suas sub- suba subb subm subs suc- succ sucr sucs sum- suma sums sumu sun- suna sunb sunn suns sunu sur- sura surc surn surr surs suru sus- susa suss susu suum suus uabc uaca uamc uams uarc uars uaru uasa uaua ubac ubar ubba ubra ucam ucan ucar ucas ucbc ucca ucmc ucrc ucsa ucsb ucsc ucsm ucsu ucua umaa umac uman umar umas umb- umba umma umms umra umsa umsu umus unaa unac unam unan unar unas unau unca uncc uncs unma unmc unmr unna unns unra unrs uns- unsa unsc unum unus urac uran uras urau urba urbs urca urma urna urns urra ursa urss ursu urum urun urur urus us-a usaa usac usan usar usas usba usbc usbr usbs usca uscc uscm uscs usma usmc usmm usms usna usnc usnr usnu usra ussa ussb ussc ussr usss ussu usua usun usus uuuu