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
Abakada alphabet containing an additional 11 letters (C, CH, F, J, LL, Ñ, Q, RR, V, X, and Z) which was in turn replaced with the current 28-letter modern alphabet. At present, all languages of the Philippines may be written using the modern Filipino alphabet (officially adopted in 1987), which includes all the letters of the Abakada. Abakada alphabet The Abakada alphabet was an "indigenized" Latin alphabet adopted for the Tagalog-based Filipino national language in 1940. " The alphabet, which contains 20 letters, was introduced in the grammar book developed by Lope K. Santos for the newly-designated national language based on Tagalog.