Hebrew alphabet . The Arabic letters generally (as six of the primary letters can have only two variants) have four forms, according to their place in the word. The same goes with the Mandaic ones, except for three of the 22 letters, which have only one form. In forms of Hebrew older than Modern Hebrew, כ״ף, בי״ת and פ״א can only be read "b", "k" and "p", respectively, at the beginning of a word, while they will have the sole value of "v", "kh" and "f" in a "sofit" (final) position, with few exceptions. In medial positions, both pronunciations are possible. In
Hebrew alphabet "dagesh kal", also modifies the sounds of the letters ב, כ and פ in modern Hebrew (in some forms of Hebrew it modifies also the sounds of the letters ג, ד and/or ת; the "dagesh chazak" – orthographically indistinguishable from the "dagesh kal" – designates gemination, which today is realized only rarely – e.g. in biblical recitations or when using Arabic loanwords). "alef", ע "ayin", "vav" and "yod" are letters that can sometimes indicate a vowel instead of a consonant (which would be, respectively, ). When they do, and are considered to constitute part of the vowel designation in combination