Pronunciation: [ˈɔ͡ɪə͡ʊ] (IPA)
Correct spelling for the English word "OIOE" is [ˈɔ͡ɪə͡ʊ], [ˈɔɪəʊ], [ˈɔɪ_əʊ] (IPA phonetic alphabet).
Correct spelling for OIOE