rueun rugen ruger rugge rugii rugin rugir ruine ruing ruiru rumen rumer rumex rumin rummi rummu runde rundi rundu runed runer runge rungu runin runne rurde u-men u-n-i u-nii udder udege udenu udged udgir udine uedem uenmr ugene uggie ugine ugrin ugrug uigur uimid uinen umeer umeme umien uminn umiri ummed umred umudu undee unden under undid undie undig undim undri undue undug undun undur unend unged unger ungig ungud ungum ungur unige unini uninn unmee unmix unnim unnun unnur unred unrid unrig unrug unrun unurn urdee ureid ureme urged urger urgun uride urien urin- urine uring urned urumi ururi uuuuu x-ing x-men xdime xedin xedre xemnu xenin xenix xerem xexeu xexex xgrid ximen xindi xindu xingu xinmi xireg xiren xmind xming xmmer xudun xxiii xxxii xxxix