sully sulur sulus surdo surds surdu suric surir suris surly surry sursy surud surui surul surur surus susic susil susso sussy susus suudu syclo sycur sydol sydor sydur sydyr sylis sylls sylor syour syoyu syro- syros syrul syrus sysco syuri u-roy uclid ucoii ucyol udol udoll uiro ulcus uldis ullur uloid ulous ulric ululu uluru uoyro urcos urdoi urdos uric- uros urour urous urric urris ursid ursus urucu uruli ururi urusi uryu uryuu us-sc uscio uscoc usdos usour usuli usury ususi uusis uuuuu uyuly y-o-u ydill ydous yidio yills yilou yirol ylids yo-yo yordi yorio yoros yorro yosoy yossi youdo youds youdu youis yould youli youll youos yours youso youyi yoyos yrold yrous yrrol yscir yu-ri yuill yuliy yuori yuory yuris