æz ɐ ɹɪzˈʌlt ʌvðɪ ˈɪnfluːəns ʌv ɪslˈɑːm ɪnðə ɹˈiːdʒən, tˈædʒɪk wʌz ɹˈɪʔn̩ ɪnðə pˈɜːʒən ˈælfəbˌɛt ˌʌp tə ðə nˈaɪntiːnhˈʌndɹɪd twˈɛnti z.
As a result of the influence of Islam in the region, Tajik was written in the Persian alphabet up to the 1920s.