In each case of use of such notations, the reader is supposed to be able to perform the deduction and reveal the true meaning.
ɪn ˈiːtʃ kˈeɪs ʌv jˈuːs ʌv sˈʌtʃ noʊtˈeɪʃənz, ðə ɹˈiːdɚɹ ɪz səpˈoʊzd təbi ˈeɪbəl tə pɚfˈɔːɹm ðə dᵻdˈʌkʃən ænd ɹᵻvˈiːl ðə tɹˈuː mˈiːnɪŋ.