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
History of the Arabic alphabet the same. After all this, there were only 17 letters that were different in shape. One letter-shape represented 5 phonemes ("b t th n" and sometimes "y"), one represented 3 phonemes ("j ħ kh"), and 5 each represented 2 phonemes. Compare the Hebrew alphabet, as in the table at . A similar ambiguity occurs in the German Fraktur font, in which the Roman alphabet uppercase letters I and J look the same but are officially different letters. The Arabic alphabet is first attested in its classical form in the 7th century. See PERF 558 for the first surviving Islamic Arabic