sins sinu sion siop sios siou sipa sipi sipo sipp sips sisa sish sisi siss sisu siui sius snap snas snhs snia snip snns snoa snoo snop snos snpo snpp snus soan soap soas soha sohh sohn soho sohp sohs sohu soia soin sois son- sona soni sono sons sonu soon soop soos sopa soph sopi sopo sopp sops sopu sosa sosh sosi soso soss soun soup sous sp-a span spap spas spau sphs spia spin spio spip spis spns spon spoo spop spos spps spsa spso spsp spss spui spun spus ssaa ssan ssao ssap ssas ssau sshs ssin ssis ssns ssop sspa sspo ssps sssa sssh sssi ssss suan suas suha suhi suho suin suio suis sun- suna suni sunn suno suns sunu suoh suos sup- supa suph supo supp sups sus- susa susi suso susp suss susu suus uahs uasa uasp uaua uhna uhno uhoh uhss uhuh uhup uipi unaa unai unan unas unau unha uni- unia unii unin unio unis unna unni unno unns unon unop unos unpa unps uns- unsa unso unus upas upin upis upnp upon upos uppa uppp uppu upsa upsi upup us-a usaa usan usap usas usha ushi usho ushs ushu usia usin usip usis usna usno usnu usoi usos uspa uspo uspp usps ussa usss ussu usua usui usun usus uuni uuno uusi uuuu