Ef (Cyrillic)

Ef (Ф, ф) is the twenty-first letter of the Cyrillic alphabet. It represents the consonant unless it is before a palatalizing vowel when it represents .It was directly derived from the Greek letter phi (Φ). Additionally, it has replaced Fita  in the Russian version of the alphabet since 1918. Unlike phi, however, it is transliterated as <f>, not <ph>.Slavic languages do not have native words containing ф; consequently, it is only found in words of foreign (especially Greek, Latin, French, German, and English) origin.
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