socord socoro socour soddi soding sodio- sodion sodros sogdoi sogood soinio soiour soiron soncin sondir sondor sondos songdo songir songoi songon songun sonico sonics sonino sonoco sonoio sonous sonson soogin soongs soords soosoo sordid sordio sordor sordun sorgon sorgou sorgun sorico soring soriso sorond sorong soroni sorors sorous sorrus sorsor sosius sosoon soudon soudou soudur sougui sounds souris souron sourou sousou srodon ssurgo succin succor succos succur succus sucro- sucuri sudici sudong sugino sugrin suguru suings suisio suisun suncus sundin sundog sundon sundri sungir sungod sungor sungri sunici suning sunndi sunnis sunnud sunoco sunrun sunsun sununu surdon surduc suring surion surono suroso suruc susurr u-ring u-sing ucuncu udonis ugging ugrio- uguisu uigurs uncini uncoin uncord uncorn uncous uncrud uncurd unding undogs undsgd undurn ungird ungods ungogo ungood ungui- unguis unguri unicno unicoi unicon unicos unicru unidos unigis unigun unioid unions unionu uniron unison unisun unisur unisus unning unodos unrigs unrind unring unrugs unrung unsign unsing unsins unsour unsung unsuni unsuri urging urgons uri-on urico- uricon urino- urison urning urodid urodon uronic urring ursids ursini ursins ursoid ursons urucui urundi usigni usings usinor usiris usogui ussuri