puppe pural purau purba purea puree purel purer purku purle purra purre purua purul puula ra-ra raaba raabe rabab rabak rabal rabap rabba rabbe rabel rabke rable rabul raela rakaa rakab rakee rakek rakel raker rakke rakle ralla ralle rapae rapal rapar rapee raper rapla rappa rapur rarae rareb raree rarer raupp re-up reake reale realp reape rear- reaue rebab rebak rebar rebbe rebel reber rebra reepe reere rekel rekka rekke rekle relap relau relee relek rella relue repar repel repka repla reple reppe repub rere- reree reuap reuar reuel reuer reule rrape rraup ruaka ruala ruark rubab rubba rubee rubel ruber rubke ruble rubra rubup ruele ruell ruere rukel rukke rukla ruler rupak rupal rupea rupee rupel ruper rurak rural rurka ruule ubble uber- ukaea ukala ukeep ukeke ukula ulala ulalu ulbra ulker ullak ullal ullar ullur ulpur uluka ulula ululu uluru upala upale upall upara upbar upkar uppal uppar upper upupa uraba urare urbar urea- ureae ureal urelu urera urkel urker urlar urpek urrea urubu urupe uuuuu