Pronunciation: [kˈɔ͡ɪɡɑː] (IPA)
Correct spelling for the English word "COIGAA" is [kˈɔ͡ɪɡɑː], [kˈɔɪɡɑː], [k_ˈɔɪ_ɡ_ɑː] (IPA phonetic alphabet).