sias siau siha sihi sihr sihs sihu sina sinh sini sinn sinp sins sinu sipa sipi sipp sips sira siri sirp sirr sirs siru sisa sish sisi siss sisu siui sius snap snar snas snhs snia snip snir snns snpp snra snrs snur snus sp-a span spap spar spas spau sphr sphs spia spin spip spir spis spns spps spri sprs spsa spsp spss spui spun spur spus sras srhs sris srna srni srnn srps srsp ssaa ssan ssap ssas ssau sshs ssin ssis ssns sspa ssps ssra ssri ssrs sssa sssh sssi ssss suan suar suas suha suhi suhr suin suir suis sun- suna suni sunn suns sunu sup- supa suph supp supr sups sur- sura suri surn surp surr surs suru sus- susa susi susp suss susu suus u-rp uahs uair uars uaru uasa uasp uaua uhna uhrs uhss uhuh uhup uipi uira uirr unaa unai unan unar unas unau unha uni- unia unii unin unir unis unna unni unns unpa unps unra unrs uns- unsa unus upar upas upin upis upnp uppa uppp uppu upra upri upsa upsi upup urai uran urap uras urau uria urin uris uriu urna urni urns urra urrh urri ursa ursi urss ursu urun urup urur urus us-a usaa usan usap usar usas usha ushi ushr ushs ushu usia usin usip usis usna usnr usnu uspa uspp usps usra ussa ussr usss ussu usua usui usun usus uuni uuri uusi uuuu