Pronunciation: [wɒst ɐ sˈɔːs stɹˈɛŋθ] (IPA)
Correct spelling for the English word "wast a source strength" is [wɒst ɐ sˈɔːs stɹˈɛŋθ], [wɒst ɐ sˈɔːs stɹˈɛŋθ], [w_ɒ_s_t ɐ s_ˈɔː_s s_t_ɹ_ˈɛ_ŋ_θ] (IPA phonetic alphabet).