Pronunciation: [ˌə͡ʊvəbˈa͡ɪ] (IPA)
Correct spelling for the English word "overbye" is [ˌə͡ʊvəbˈa͡ɪ], [ˌəʊvəbˈaɪ], [ˌəʊ_v_ə_b_ˈaɪ] (IPA phonetic alphabet).