ndaa ndai ndak ndao ndde nddo ndei ndga ndia ndna nead nean neda nedd nede nedi nedo neea need neei neen nega nege negi nego neia neid nein neka neke neko nena nend nene neng neni neno neo- neod neon neoo ngai ngan ngao nged ngen ngia ngio ngon niad niak nian nida nidd nide nidi nido niea nied nien nieo nige nigg nigo niia nika nike niki niko nina nind nine ning nini nino niog nion nioo nkia nkio nkok nngn nnnn noaa noae noak noda node nodi nodo noed noga nogg nogo noia noid noie noik noin noio noke noki noko non- nona none nong noni nonn nono noo- nook noon nooo o-eo oade oake odai odda oddd oddi odea oded odei oden odeo odia odie odin odio odon odoo oedn oedo oeid oen- oeno ogae ogai ogea ogee ogen ogge oggi ogin ogna ogni ogoa ogod ogog ogoi ogon oido oigo oiii oike oiko oink oion okak okan oked oken okgo okia okie okka okko okna okni okno okok okon onan onda onde ondi ondo one- onea oned onee oneg onei onek oneo onga onge ongi ongo onia onie onna onne onni onno onod onon ooaa ooak ooda oodi ooia ooid oona oone oooo