nine ninh nini nira nire nkia nnnn nrab nren nrna raab raak raan raba rabb rabe rabi rabk raen raer raha rahe rahi rahn rahr raia raie raii raik rain rair raka rake raki rakk rana rane rani rank rann rara rarb rare rari rark rbbb rbbr rea- reae reak rean rear reba rebb rebe rebk reeb reek reen reha rehb rehe rehi rehn reia reii reik rein reir reka reke reki rena rene reni renk renn rera rere reri rhae rhea rheb rhee rhen rhib rhin riaa riab riah riai riak rian rib- riba ribe riek rien rier riha riia riin rika rike riki rikk rina rine rink rinn rire riri rnai rnbr rnie rnin rrah rrna rrrr