Montenegrin alphabet considered as digraphs). These parallel the two letters of the Montenegrin Cyrillic alphabet not found in Serbian, С́ and З́. These, respectively, could also be represented in the original alphabets as "šj" and "žj", and шj and жj. It also uses some Latin extended letters, composed with a basic Latin letter and one of two combining accents (the acute accent or caron, over C, S, and Z), and a supplementary base consonant Đ: they are needed to note additional phonetic distinctions (notably to preserve the distinctions that are present in the Cyrillic script with which the Montenegrin language has also
Hook (diacritic) a diacritical mark used in Vietnamese, or the rhotic hook, used in the International Phonetic Alphabet. It could be argued that the hook was used to derive the letter J from the letter I, or the letter Eng (ŋ) from the letter N. However, these letters are usually not identified as being formed with the hook. Most letters with hook are used in the International Phonetic Alphabet, and many languages use them (along with capitals) representing the same sounds. The hook often attaches to the top part of the letter, sometimes replacing the ascender. If it attaches to the bottom