ngon nm-e nman nmdc nmeg nmmc nmoc nmon nngn nnmc nnnn noaa noac noae noam noce noco noda node nodo noed noem noga nogg nogo nom- noma nome nomo non- nona none nong nonn nono noo- noon nooo o-eo oade oadm oama ocac ocad ocam ocan occa occc occn oce oced ocee ocga ocma ocna ocom ocon odac odam odda oddd odea oded odem oden odeo odma odom odon odoo oec- oeca oecc oedn oedo oeec oeme oen- oeno ogae ogam ogdc ogea ogee ogen ogge ogma ogna ogoa ogod ogog ogon omac omam oman omao omca omda omed omee omen omeo omma omn- omne omo- omoa omoe omon omoo onam onan onc- onca oncd once onco onda onde ondo one- onea onec oned onee oneg oneo onga onge ongo onme onna onne onno onod onon ooaa ooda ooma oome oona oone oooo