srhs sros ssaa ssac ssao ssas ssau ssca sscc sscs ssgs sshs ssoc ssra ssrc ssrg ssrs sssa sssc sssh ssss suar suas suc- succ such sucr sucs sug- suga sugg sugh sugo suha suho suhr suoh suor suos sur- sura surc surg suro surr surs suru sus- susa suso suss susu suus uaca uahs uaoc uarc uars uaru uasa uaua ucar ucas ucca ucha ucho uchs ucos ucrc ucsa ucsc ucsu ucua ugao ugar ugcc ugcg uggo uggs ughs ugos ugra ugro ugur uguu uhoh uhrs uhss uhuh uocc uor- urac urao uras urau urca urch urga urgh urgu urho uro- uroa uroo urra urrh ursa urso urss ursu urur urus us-a usaa usac usag usar usas usca uscc uscg usch usco uscs usga usgo usha usho ushr ushs ushu usoc usog usos usra ussa ussc ussr usss ussu usua usus uuoc uuuu