Biblical Hebrew and occasionally other literary works, distinct from the calligraphic styles used mainly for private purposes. The Mizrahi and Ashkenazi book-hand styles were later adapted to printed fonts after the invention of the printing press. The modern Hebrew alphabet, also known as the Assyrian or Square script, is a descendant of the Aramaic alphabet. The Phoenician script had dropped five characters by the 12th century BCE, reflecting the language's twenty-two consonantal phonemes. As a result, the 22 letters of the Paleo-Hebrew alphabet numbered less than the consonant phonemes of ancient Biblical Hebrew; in particular, the letters could each mark two different
Hebrew alphabet was an abjad consisting only of consonants, but is now considered an "impure abjad". As with other abjads, such as the Arabic alphabet, during its centuries-long use scribes devised means of indicating vowel sounds by separate vowel points, known in Hebrew as "niqqud." In both biblical and rabbinic Hebrew, the letters can also function as "matres lectionis", which is when certain consonants are used to indicate vowels. There is a trend in Modern Hebrew towards the use of "matres lectionis" to indicate vowels that have traditionally gone unwritten, a practice known as "full spelling". The Yiddish alphabet, a modified version