Pronunciation: [lˈɛtɪd hˈʊk] (IPA)
Correct spelling for the English word "letted hook" is [lˈɛtɪd hˈʊk], [lˈɛtɪd hˈʊk], [l_ˈɛ_t_ɪ_d h_ˈʊ_k] (IPA phonetic alphabet).