reue reul reuu riaa riab riai rial riam riau rib- riba ribe ribu riel riem rier rieu riia rila rile rill rilu rima rime rimi rimm rimu rire riri riue rlab rlee rleu rlml rlua rmll rrle rrrr rrum ruba rubb rube rubi rubu ruel ruer rula rule rull ruma rumb rume rumi ruml rumm rura rure ruri ruru u-ie uair uaru uaua ubal ubar ubba ubbe ubbi uber ubii ubir ubla uble ubli ubra ueba ueir uele ueli uell uile uima uiml uira uirr ulaa ulae ulai ulam ular ulea uleb ulee ulie ulim ulla ulle ulli ullr ulma ulme ulmi ulmu ulua ulul ulum umaa umai umar umb- umba umbe umbi umer umla umma umra umri urai ural urau urba urbe urbi ure- urea uria urib urie urim uriu urla urle urma urmi urra urre urri urum urur uulu uuri uuuu