Alphabets of Asia Minor Alphabets of Asia Minor Various alphabetic writing systems were in use in Iron Age Anatolia to record Anatolian languages and Phrygian. Several of these languages had previously been written with logographic and syllabic scripts. The alphabets of Asia Minor proper share characteristics that distinguish them from the earliest attested forms of the Greek alphabet. Many letters in these alphabets resemble Greek letters but have unrelated readings, most extensively in the case of Carian. The Phrygian and Lemnian alphabets by contrast were early adaptations of regional variants of the Greek alphabet; the earliest Phrygian inscriptions are contemporary with early Greek inscriptions,
Ancient Greek phonology and this cluster underwent metathesis early in the Ancient Greek period. Metathesis is likely in this case; clusters of a voiced stop and , like , do not occur in Ancient Greek, since they change to by assimilation (see below), while clusters with the opposite order, like , pronounced , do occur. Ancient grammarians, such as Aristotle in his "Poetics" and Dionysius Thrax in his Art of Grammar, categorized letters () according to what speech sounds ( 'elements') they represented. They called the letters for vowels ('pronounceable', singular ); the letters for the nasals, liquids, and , and the letters