Pronunciation: [tˌiːˈe͡ɪt͡ʃ bˌiːˌɛfˈɛks] (IPA)
Correct spelling for the English word "thBFX" is [tˌiːˈe͡ɪt͡ʃ bˌiːˌɛfˈɛks], [tˌiːˈeɪtʃ bˌiːˌɛfˈɛks], [t_ˌiː__ˈeɪ_tʃ b_ˌiː__ˌɛ_f_ˈɛ_k_s] (IPA phonetic alphabet).