Pronunciation: [nˈase͡ɪˌɒsf] (IPA)
Correct spelling for the English word "NASAOSF" is [nˈase͡ɪˌɒsf], [nˈaseɪˌɒsf], [n_ˈa_s_eɪ_ˌɒ_s_f] (IPA phonetic alphabet).