nuuk raab raad raak raan raba rabb rabe rabk rabu rada radd rade radr radu raed raen raer raka rake rakk raku rana rand rane rank rann rara rarb rare rark raua raub raud raue rauk raun rbbb rbbr rder rdna rea- read reae reak rean rear reau reba rebb rebe rebk rebu reda redd rede redr redu reeb reed reek reen reka reke rena rend rene renk renn renu rera rerd rere reru reue reuk reuu rnbr rrad rred rrna rrrr rrun ruad ruan ruba rubb rube rubu ruda rudd rude rued ruen ruer ruka ruke rukk rukn ruku runa rund rune runk runn rura rurd rure ruru ruud ruun uaru uaua ubar ubba ubbe ubek uber ubra ubud udaa udad udar udau udea uden uder udra uduk udun ueba ueda uend ukba ukek ukeu ukra ukur unaa unan unar unau unbd unbe unda unde uneb uned unee unen uner unka unke unkn unna unne unra urad uran urau urba urbe urda urde urdu ure- urea ured urka urke urna urne urra urre uruk urun urur uuen uuuu