Several Greek letters are used as phonetic symbols in the International Phonetic Alphabet (IPA). The basic Arabic alphabet contains 28 letters. The phonetic symbols used below are from the International Phonetic Alphabet (IPA). Yiddish is written using an adapted Hebrew alphabet. The first indicates the phoneme's pronunciation in the International Phonetic Alphabet (IPA). The number of letters in the Latin alphabet has varied. Numbers in this system are represented by combinations of letters from the Latin alphabet. Zulu employs the 26 letters of the ISO basic Latin alphabet. The Georgian alphabet ( "") is an alphabetic writing system. Below are the 32 letters of the modern Persian alphabet. Russian is written using a Cyrillic alphabet. Azimov is spelled in the Cyrillic alphabet. There are 29 letters in the Vietnamese alphabet. Eastern Europe is Orthodox and uses the Greek alphabet or Cyrillic script. These were proposals for a new phonetic alphabet.