History of the Greek alphabet derive from omicron with a line drawn under it. Long and were written with the digraphs "ει" and "ου", respectively, whereas long and short , , were never distinguished in writing. In 403/2 BC, following the devastating defeat in the Peloponnesian War and the restoration of democracy, the Athenians voted to abandon the old Attic alphabet ("Pre-Euclidean alphabet") and to introduce a standardized variant of the eastern Ionic alphabet, after a proposal by archon Eucleides. This Euclidean alphabet included eta and omega, which concluded the process of adapting the Phoenician script so that all vowels could be written systematically, thus
Lydian alphabet instead. Lydian uniquely features a quotation mark in the shape of a right triangle. The Lydian alphabet is closely related to the other alphabets of Asia Minor as well as to the Greek alphabet. It contains letters for 26 sounds. Some are represented by more than one symbol, which is considered one "letter." Unlike the Carian alphabet, which had an "f" derived from Φ, the Lydian "f" has the peculiar "8" shape also found in the Etruscan alphabet. In addition two digraphs, "aa" and "ii", appear to be allophones of [a] and [i] under speculative circumstances, such as lengthening from