Pronunciation: [bˈiːtjˈuːɪn] (IPA)
Correct spelling for the English word "BTUIN" is [bˈiːtjˈuːɪn], [bˈiːtjˈuːɪn], [b_ˈiː_t_j_ˈuː_ɪ_n] (IPA phonetic alphabet).
Correct spelling for BTUIN