rama ramb rame raml ramm ramu rara rarb rare raua raub rauc raue raul raum rbbb rbbr rbcl rble rcac rcbc rccb rccc rcle rea- reac reae real ream rear reau reba rebb rebe rebu reca recc rece recm recr recu reeb reel reem rela relb rele rell relm rema reme rera rere reru reue reul reuu rlab rlee rleu rlml rlua rmll rrle rrmc rrrr rrum ruba rubb rube rubu ruca ruce ruel ruer rula rule rull ruma rumb rume ruml rumm rura rurc rure ruru uabc uaca uamc uarc uaru uaua ubac ubal ubar ubba ubbe uber ubla uble ubra ucal ucam ucar ucbc ucca ucea ucel ucla ucmc ucrc ucua ueba uele uell ulaa ulae ulam ular ulbc ulcc ulea uleb ulee ulla ulle ullr ulma ulme ulmu ulua ulul ulum umaa umac umar umb- umba umbe umec umer umla umma umra urac ural urau urba urbe urca ure- urea urla urle urma urra urre urum urur uulu uuuu