Pronunciation: [pˈa͡ɪdmkə͡ʊ] (IPA)
Correct spelling for the English word "pidemco" is [pˈa͡ɪdmkə͡ʊ], [pˈaɪdmkəʊ], [p_ˈaɪ_d_m_k_əʊ] (IPA phonetic alphabet).