Pronunciation: [nɪˈɪbkə͡ʊ] (IPA)
Correct spelling for the English word "NIYBCO" is [nɪˈɪbkə͡ʊ], [nɪˈɪbkəʊ], [n_ɪ__ˈɪ_b_k_əʊ] (IPA phonetic alphabet).
Correct spelling for NIYBCO