Pronunciation: [kˈə͡ʊˈə͡ʊkə] (IPA)
Correct spelling for the English word "co-oker" is [kˈə͡ʊˈə͡ʊkə], [kˈəʊˈəʊkə], [k_ˈəʊ_ˈəʊ_k_ə] (IPA phonetic alphabet).