nkau nkgb nndb nngn nnnn nrab nrna nrrd nuan nuba nubk nuda nudd nuha nuka nuku nuna nung nunk nunn nura nurd nurn nurr nuru nuuk raab raad raag raak raan raba rabb rabk rabu rada radd radh radr radu raga ragg ragh ragu raha rahn rahr rahu raka rakk raku rana rand rang rank rann rara rarb rark raua raub raud rauk raun rbbb rbbr rbgh rdna rgan rgba rhag rhau rhbg rhug rhun rnag rnbr rrad rrah rrna rrrr rrun ruad ruag ruah ruan ruba rubb rubu ruda rudd ruga rugg rugh ruhh ruhn ruhr ruka rukh rukk rukn ruku runa rund rung runk runn rura rurd ruru ruud ruun uang uaru uaua ubar ubba ubra ubud udaa udad udar udau udgb udra uduk udun ugab ugar ugra ugur uguu uh-d uhna uhuh ukba ukha ukra ukur unaa unan unar unau unbd unda unga ungu unha unka unkn unna unra urad uran urau urba urda urdu urga urgh urgu urka urna urra urrh uruk urun urur uuuu