rapar rapin rappa rapur rarik rarin rauna rauni raupp riaan riaba riana riban ribar ribbi ribin ribup rikan rikka rikki rinan rinka rinku rinna ripak ripuk ripup riria rirpu rpain rraup ruaka ruana ruark rubab rubai ruban rubba rubbi rubia rubik rubin rubra rubup ruina ruiru rukai rukia runan runin runup rupai rupak rupia rupin rurak ruran rurik rurka rurki u-n-i u-nii ubai ubank ubari ubirr uibai ukina ukkin unaka unapa unapi unara unari unark unaru unban unbar unini uninn unipi unkar unkur unnau unnun unnur unpar unpin unrar unrip unrra unrun unurn upara upbar upina upkar uppar uprun upuan upupa uraan uraba uran- urana urani urari urban urbar urbia urian urin- urkun urpin urria uruan urubu ururi uuuuu