ssrg ssrs sssa sssc sssh ssss suar suas suc- succ such suck sucr sucs sug- suga sugg sugh suha suhr suka sukh suks suku sur- sura surc surg surr surs suru sus- susa susk suss susu suus uaca uahs uarc uars uaru uasa uaua ucak ucar ucas ucca ucha uchs ucka ucrc ucsa ucsc ucsu ucua ugar ugcc ugcg uggs ughs ugra ugur uguu uhrs uhss uhuh ukcc ukha ukra ukrc uksa uksc uksg ukur urac uras urau urca urch urga urgh urgu urka urra urrh ursa urss ursu uruk urur urus us-a us-k usaa usac usag usak usar usas usca uscc uscg usch uscs usga usha ushr ushs ushu uska usra ussa ussc ussr usss ussu usua usus uuuu