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
Karelian alphabet are from the ISO basic Latin alphabet, five are derived from basic Latin letters by the addition of diacritical marks, and the final character is the apostrophe, which signifies palatalization of the preceding sound. The entire range of sounds of native Karelian words is intended to be represented by this set of characters. This unified alphabet was approved in 2007 as a replacement for the separate Olonets Karelian and Karelian Proper alphabets. The letters Ä and Ö are vowels which, unlike the German umlauts, are considered to be distinct and are alphabetized separately from the corresponding vowels without the umlauts.