ngao ngon ngor ngou ngur nguu nkau nkok nkor nkrf nngn nnnn noaa noak noda nodo nodu noga nogg nogo noko non- nona nong nonn nono nonu noo- nook noon nooo noor nor- nora nord norf norg nork norn noro norr noun nour nrna nron nrrd nuan nuda nudd nudo nuff nuka nuku nuna nung nunk nunn nuno nuon nura nurd nurn nurr nuru nuuk oaau oafo oara odda oddd odon odoo odor odou odra odur ofan ofdr off- offa offo offr offu ofgo ofna ofno ofor ofra ogar ogfr ogna ogoa ogod ogog ogon ogou ogra ogro ogun okak okan okgo okka okko okna okno okok okon okor okra okro okun okur onan onar onda ondo onga ongo ongu onna onno onod onon onor onra onur ooaa ooak ooda ooff ooku oona oooo oora oord orad orak oran orao orar orda ordn ordo ordu orff orfu orga orgn orgo orka orko orna orno oro- orof orok oron oror orra orro ouad ouan ouff oun- ouna ound oung our- oura ourn ouro ouu- raad raaf raag raak raan rada radd rado radr radu rafa raff raga ragg rago ragu raka rakk raku rana rand rang rank rann rano raok rara rarf rark raro raua raud rauf rauk raun rdfa rdna rgan rkkf rnaf rnag rndf rnod road roaf roag roak roan roar roda rodd rodo roff rofo roga rogg rogo roka rokk roko rokr roku rona rond rong ronk rono rood roof roog rook roon roor rora rork roro roru roua roud rouf rouk roun rrad rrna rrrr rrun ruad ruag ruan ruda rudd rudo rufa ruff rufo ruga rugg ruka rukk rukn ruku runa rund runf rung runk runn runo ruok rura rurd ruro ruru ruud ruun uafa uang uaru uaua udaa udad udar udau udon udoo udra uduk udun ufag uffa ufra ufuk ugao ugar uggo ugod ugra ugro ugur uguu ukaf ukko ukok ukon ukra ukur unaa unan unar unau unda undo unfd unga ungo ungu unka unkn unko unna unno unon unra unrf unro uofa uofg uofo uor- urad uran urao urau urda urdu urfa urff urga urgu urka urna uro- uroa urok uroo urra uruk urun urur uuno uuuu