Pronunciation: [ˌɛnˌɑːbˌiːkˈe͡ɪ] (IPA)
Correct spelling for the English word "NRBK" is [ˌɛnˌɑːbˌiːkˈe͡ɪ], [ˌɛnˌɑːbˌiːkˈeɪ], [ˌɛ_n_ˌɑː_b_ˌiː_k_ˈeɪ] (IPA phonetic alphabet).
Correct spelling for NRBK