sorg sorn soro sorr sors soru sosa soso soss soud soun sour sous sras srna srnn srno sros srsd ssaa ssan ssao ssas ssau ssdd ssgs ssns ssra ssrg ssrs sssa ssss suan suar suas suda sudd sudo suds sug- suga sugg sugo sun- suna sund sung sunn suno suns sunu suor suos sur- sura surd surg surn suro surr surs suru sus- susa susd suso suss susu suus uang uars uaru uasa uasd uaua udaa udad udar udas udau udds udon udoo udos udra udsd udun ugao ugar uggo uggs ugod ugos ugra ugro ugur uguu unaa unan unar unas unau unda undo unds unga ungo ungu unna unno unns unon unos unra unro unrs uns- unsa unsg unso unus uor- urad uran urao uras urau urda urds urdu urga urgu urna urns uro- uroa uroo urra ursa urso urss ursu urun urur urus us-a usaa usad usag usan usar usas usda usdo usds usga usgo usna usno usnr usnu usog usos usra ussa ussr usss ussu usua usun usus uuno uuuu