Pronunciation: [ˌɛsˈɑːtˈad] (IPA)
Correct spelling for the English word "SRTAD" is [ˌɛsˈɑːtˈad], [ˌɛsˈɑːtˈad], [ˌɛ_s_ˈɑː_t_ˈa_d] (IPA phonetic alphabet).