ruede ruere rueun ruhen ruhnu ruhub ruine ruiru runde rundi rundu runed runer runin runne runup rupee ruper rupie rupin rurde u-dub u-hid u-n-i u-nii ubeen ubend uber- ubide ubirr udder udenu udine udrih udupi uh-ee uh-uh uhhuh uhnin uhuru uinen unbed unbid unbud undee unden under undid undie undri undub undue undun undur unend unerp unhid unhip unhue unibe unini uninn unipi unnun unnur unpen unpeu unpin unred unrep unrid unrip unruh unrun unurn upedu upend upenn upher upier upped uppen upper uppie uprun urdee ureid uribe uride urien urin- urine urned urphi urpin urubu urupe ururi uuuuu