reue reuk reul reuu rgan rlee rleu rlua rlug rnag rnal rrle rrna rrrr rrun ruag ruan ruel ruen ruer ruga ruge rugg ruka ruke rukk rukn ruku rula rule rulk rull runa rune rung runk runn rura rure ruru ruun uang uaru uaua uele uell ugal ugar ugne ugra ugur uguu ukek ukeu ukla ukra ukur ulaa ulae ulan ular ulea ulee ulek ulen ulla ulle ullr ulna ulne ulua uluk ulul unaa unal unan unar unau unee unen uner unga ungu unka unke unkl unkn unle unna unne unra ural uran urau ure- urea urga urge urgu urka urke urla urle urna urne urra urre uruk urun urur uuen uulu uuuu