Pronunciation: [ˈə͡ʊpblɪˌə͡ʊ] (IPA)
Correct spelling for the English word "OAPBLEO" is [ˈə͡ʊpblɪˌə͡ʊ], [ˈəʊpblɪˌəʊ], [ˈəʊ_p_b_l_ɪ__ˌəʊ] (IPA phonetic alphabet).
Correct spelling for OAPBLEO