tunde tundu tune- tuned tunel tuner tunge tunne tunng turbe turbt turel turen turet turle turn- turne turnt turnu turre turtu turul turut tutee tutel tutle tutte tutun tuuru u-dub ubble ubeen ubend uber- uddel udder udege udell udenu udert udged udler udult uelen ugene uggle ugrug ulene ulent ulger ullet ullur ulten ultre ululu uluru unbed unbet unbud undee unden under undub undue undug undun undur uneld unend unete unged unger unget ungld ungle ungud ungul ungur unled unleg unlet unltd unnet unnun unnur unnut unred unrug unrun unted unten unter unurn urdee urelu urent urged urgel urger urgun urgut urled urned urtel urter urtlu urubu urutu utenn uter- utrdb utter uttur utube uturn uturu uunet uuuuu