ƬƬ Ƭ The letter Ƭ (minuscule: ƭ), called T with hook, is a letter of the Latin alphabet based on the letter t. It is used in Serer and Fula. Its lower case form, ƭ, formerly represented a voiceless alveolar implosive in the International Phonetic Alphabet. The uppercase is in the Latin Extended-B range and the lowercase is in the IPA range. Encoding. In Unicode, the majuscule and the minuscule are located at and . Ƭ The letter Ƭ (minuscule: ƭ), called T with hook, is a letter of the Latin alphabet based on the letter t. It is used in