shur shus shuu snab snar snas snba snhs snns snoa snob snoo snor snos snra snrs snub snur snus soan soar soas soba sobo sobr sobs sobu soha sohh sohn soho sohs sohu son- sona sono sons sonu soon soor soos sora sorb sorh sorn soro sorr sors soru sosa sosh soso soss soun souq sour sous sqsh sras srhs srna srnn srno sros srub ssaa ssab ssan ssao ssas ssau ssbn ssbr sshs ssns ssra ssrs sssa sssb sssh ssss suan suar suas sub- suba subb subh subo subs suha suhb suho suhr sun- suna sunb sunn suno suns sunu suoh suor suos suqs sur- sura surn suro surr surs suru sus- susa suso suss susu suus uahs uars uaru uasa uaua ubar ubba ubbo ubon ubos ubra uhna uhno uhoh uhrs uhss uhuh unaa unan unar unas unau unha unna unno unns unon unos unra unro unrs uns- unsa unso unus uor- uqah uqao uqar uqhu uran urao uras urau urba urbs urho urna urns uro- uroa uroo urra urrh ursa urso urss ursu urun uruq urur urus us-a usaa usan usar usas usba usbr usbs usha usho ushr ushs ushu usna usno usnr usnu usos usra ussa ussb ussr usss ussu usua usun usus uuno uuuu