nkau nkia nnnn nrab nren nrna nuan nuba nube nubi nubk nuee nuer nuik nuin nuka nuke nuki nuku nuna nune nunk nunn nura nure nuri nurn nurr nuru nuuk raab raak raan raba rabb rabe rabi rabk rabu raen raer raia raie raii raik rain rair raiu raka rake raki rakk raku rana rane rani rank rann rara rarb rare rari rark raua raub raue rauk raun rbbb rbbr rea- reae reak rean rear reau reba rebb rebe rebk rebu reeb reek reen reia reii reik rein reir reiu reka reke reki rena rene reni renk renn renu rera rere reri reru reue reuk reuu riaa riab riai riak rian riau rib- riba ribe ribu riek rien rier rieu riia riin rika rike riki rikk riku rina rine rink rinn rire riri riue rnai rnbr rnie rnin rrna rrrr rrun ruan ruba rubb rube rubi rubu ruen ruer ruin ruka ruke ruki rukk rukn ruku runa rune runi runk runn rura rure ruri ruru ruun u-ie uair uaru uaua ubar ubba ubbe ubbi ubek uber ubii ubik ubir ubra ueba uein ueir ueki uira uirr ukai ukba ukek ukeu ukra ukur unaa unai unan unar unau unbe uneb unee unen uner uni- unia unie unii unik unin unir unka unke unkn unna unne unni unra urai uran urau urba urbe urbi ure- urea uria urib urie urik urin uriu urka urke urna urne urni urra urre urri uruk urun urur uuen uuni uuri uuuu