Ray nanö, nan 'who' — Ray nganö, ngan 'what' — not recorded Instrumental-Ergative 1st — Brierly nath, nut; Macgillivray ngatu; Ray ngata, ngatö, ngat 2nd — Brierly needtha, needthoo; Macgillivray ngidu; Ray ngida, ngidö, ngid 3rd masculine — Brierly nooide ; MacGillivray nudu; Ray nuida, nuidö, nuid 3rd feminine — Macgillivray nadu; Ray nada, nadö, nad 'who' — Macgillivray ngadu; Ray ngada, ngadö, ngad 'what' — Brierly meedan; Macgillivray mida; Ray mida, midö, mid Genitive 1st — Brierly ngau, gnau, ngow masculine, udthu, oldzoo, udzoo feminine; Macgillivray ngow masculine, udzu, udz feminine; Ray ngau masculine, ngazu, nguzu feminine 2nd — Brierly gnee, ye noo, yeenow, niu, yenoo, meeno; MacGillivray yinu; Ray nginu 3rd masculine — Brierly noonoo; Ray nungu 3rd feminine — Macgillivray nanue; Ray nanu 'who' — Ray ngunu 'what' — not recorded Based on the above forms and the modern dialects, the OKY pronouns are reconstructed as follows: The accusatives, the ablatives and imitatives underwent optional final vowel deletion, while the ergatives optionally transformed the final u to a or œ, or deleted it, thus ngathu > ngatha > ngathœ > ngath. The recorded dual-plural forms are: Nominative-Ergative-Instrumental 1st Dual Exclusive — MacGillivray albei; Ray ngalbai 1st Dual Inclusive — MacGillivray aba; Ray ngaba 2nd Dual — MacGillivray ngipel; Ray ngipel 3rd Dual — MacGillivray pale; Ray palai 'who' Dual — Ray nga wal 1st Plural Exclusive — Brierly ari, churri; MacGillivray arri, uri; Ray ngöi 1st Plural Inclusive — Brierly alpa; MacGillivray alpa; Ray ngalpa 2nd Plural — MacGillivray ngi-tana; Ray ngita 3rd Plural — MacGillivray tana; Ray tana Accusative-Genitive 1st Dual Exclusive — Brierly abonnie, abuni, abani, aboni; MacGillivray N/A; Ray ngalbaini 1st Dual Inclusive — Brierly N/A; MacGillivray abane, abeine; Ray ngabani 2nd Dual — Brierly N/A; MacGillivray ngipeine; Ray ngipeni 3rd Dual — Brierly N/A; MacGillivray palaman; Ray palamuni 1st Plural Exclusive — Brierly areen; MacGillivray arrien; Ray ngöimunu 1st Plural Inclusive — Ray ngalpanu 2nd Plural — MacGillivray ngitanaman; Ray ngitamunu 3rd Plural — MacGillivray tanaman; Ray tanamunu Dative 1st Dual Exclusive: MacGillivray albi nipa; Ray ngalbainipa 1st Dual Inclusive: MacGillivray albynape; Ray ngabanipa 2nd Dual: Ray ngipenipa 3rd Dual: MacGillivray pale nipa; Ray palamunipa 1st Plural Exclusive: MacGillivray arri nipa; Ray ngöinipa, ngöimunipa 1st Plural Inclusive: Ray ngalpanipa, ngalpamunipa 2nd Plural: Ray ngitanipa, ngitamunipa 3rd Plural: MacGillivray tane nipa; Ray tananipa, tanamunipa Ablative recorded by Ray as -[mu]nunguzi These can be reconstructed