rerd rere reri reru reue reul reup reuu rib- ribe ribu ridd ride ridi ried riel riem riep rier rieu rile rill rilp rilu rime rimi rimm rimu ripd ripe ripi ripl ripp ripr rire riri riue rlee rleu rlml rmll rmrp rpdp rpii rred rrle rrmp rrrr rrum rubb rube rubi rubp rubu rudd rude rudi rudl rudp rued ruel ruer ruid rule rull rumb rume rumi ruml rumm rump rupe rupp rurd rure ruri rurp ruru ruud u-ie u-rp ubbe ubbi uber ubid ubii ubir uble ubli ubud uddi udel udem uder udid udim udir udpd ueir uele ueli uell uepi uile uiml uipi uirr ulde uleb ulee ulie ulim ulle ulli ullr ulme ulmi ulmu ulul ulum umb- umbe umbi umde umer umpe umri upbe updm uped upie upim uplb upme upml uppe uppp uppu upri upup urbe urbi urde urdu ure- ured urib urie urim uriu urle urmi urre urri urum urup urur uulu uuri uuuu