sscs ssgs sshs ssoc ssop sspa sspc sspo ssps sssa sssc sssh ssss suas suc- succ such sucs sug- suga sugg sugh sugo suha suho suoh suos sup- supa suph supo supp sups sus- susa suso susp suss susu suus uaca uahs uaoc uasa uasp uaua ucas ucca uccp ucha ucho uchs ucos ucpa ucph ucsa ucsc ucsu ucua ugao ugcc ugcg uggo uggs ughs ugos uguu uhoh uhss uhuh uhup uocc upac upas upca upcs upgo upos uppa uppc uppp uppu upsa upsc upup us-a usaa usac usag usap usas usca uscc uscg usch usco uscs usga usgo usgp usha usho ushs ushu usoc usog usos uspa uspc uspo uspp usps ussa ussc usss ussu usua usus uucp uuoc uuuu