Pronunciation: [ɡʌstˈɔ͡ɪi͡ə] (IPA)
Correct spelling for the English word "GUSTOIIA" is [ɡʌstˈɔ͡ɪi͡ə], [ɡʌstˈɔɪiə], [ɡ_ʌ_s_t_ˈɔɪ_iə] (IPA phonetic alphabet).
Correct spelling for GUSTOIIA