reyk rib- ribe ribu riby riek riel riem rier rieu rike riki rikk riku rile rill rilu rily rime rimi rimm rimu rimy rire riri riue rlee rleu rlml rmll rrkm rrle rrrr rrum rubb rube rubi rubu ruby ruel ruer ruke ruki rukk ruku rule rulk rull ruly rumb rume rumi ruml rumm rumy rure ruri ruru ruyi ruyl rybe ryeb ryel ryim ryke ryki ryle ryme ryue ryuk u-ie ubbe ubbi ubek uber ubii ubik ubir uble ubli ubly ueir ueki uele ueli uell uile uiml uirr ukek ukeu ukky ukum ukur uleb ulee ulek uley ulie ulik ulim ulle ulli ullr ully ulme ulmi ulmu uluk ulul ulum ulye umb- umbe umbi umer umik umri urbe urbi ure- urey urib urie urik urim uriu urke urle urmi urre urri urry uruk urum urur uulu uuri uuuu uyir uyle uyre yber ybry ye-u yeek yeel yeer yeie yeii yeir yeke yeki yele yeli yelk yell yelm yelu yeme yemm yerb yere yeri yerk yerl yerm yerr yery yeue yeuk yeye yeyi yeyr yike yile yili yill yirb yire yirk yirm yirr ykey ylem ylke ylle ylli ylyk ymel ymer ymir ymur yrke yrle yrly yubu yuel yuer yuie yuke yuki yuku yuky yule yuli yulu yume yumi yure yuri yury yuye yuyu yyyy