syds sygn syis syl- syli syll syls syn- synd syng syns synu syny syon syso syss syun uddi udds udid udig udin udny udon udoo udos udsd udsl udun uggo uggs ugis ugli ugly ugni ugny ugod ugol ugos uguu uisd ulli ullo ully ulno ulo- ulog ulos ulul ulus ulys undi undo unds undy ungo ungu uni- unii unin unio unis unni unno unns unon unos uns- unsg unso unus usdl usdo usds usgo usin usis uslu usno usnu usog usoi usos usss ussu ussy usui usul usun usus uulu uuni uuno uusi uuuu uuyn uydo uyin ydil ydin ydon ydul ygon ygun yguo yidi yids yidu yild yili yill ying yins yiss yiud ylds ylid ylli ylls ynol ynon ynou ynug yodo yods yogi yogo yold yoli yoll yolo yoly yond yong yoni yono yons yood yool yoon yosi yoso youd youi youl yous yoyn yoyo ysii yson yssu yudo yudu yugg yugi yugo yugs yugu yuin yuli yulo yuls yulu yund yung yuns yuny yuon yuyu yyyy