sora sorh soro sorr sors soru sosa sosh soso soss soul soup sour sous sp-a spal spap spar spas spau sphr sphs spla splo splp splr spls spoo spop spor spos spps spro sprs spsa spso spsp spss spur spus sras srhs sros srps srsp ssaa ssao ssap ssas ssau sshl sshs ssla sslp ssop sspa sspl sspo ssps ssra ssrl ssrs sssa sssh ssss suar suas suha suhl suho suhr sul- sula sulh sull sulo sulp sulu suoh suor suos sup- supa suph supo supp supr sups sur- sura suro surp surr surs suru sus- susa suso susp suss susu suus u-rp uahs uars uaru uasa uasp uaua uhoh uhrs uhss uhuh uhup ulaa ular ulas ulla ullo ullr ulo- ulos ulsa ulua ulul ulus uor- upal upar upas upla uplo upor upos uppa uppp uppu upra upsa upup ural urao urap uras urau urho urla urls uro- uroa urol uroo urpo urra urrh ursa urso urss ursu urup urur urus us-a usaa usal usap usar usas usha usho ushr ushs ushu uslp uslu usos uspa uspo uspp usps usra ussa ussr usss ussu usua usul usus uulu uuuu