Pronunciation: [sˈɔ͡ɪsɪmˌɒks] (IPA)
Correct spelling for the English word "SOISIMOX" is [sˈɔ͡ɪsɪmˌɒks], [sˈɔɪsɪmˌɒks], [s_ˈɔɪ_s_ɪ_m_ˌɒ_k_s] (IPA phonetic alphabet).