Pronunciation: [sˈɛmɪˌɪpən] (IPA)
Correct spelling for the English word "SEMIIPN" is [sˈɛmɪˌɪpən], [sˈɛmɪˌɪpən], [s_ˈɛ_m_ɪ__ˌɪ_p_ə_n] (IPA phonetic alphabet).
Correct spelling for SEMIIPN