Pronunciation: [ˈa͡ɪlsluːˌiz] (IPA)
Correct spelling for the English word "ilestlouis" is [ˈa͡ɪlsluːˌiz], [ˈaɪlsluːˌiz], [ˈaɪ_l_s_l_uː_ˌi_z] (IPA phonetic alphabet).