Ef (Cyrillic)
Ef (Ф ф; italics: Ф ф) is a Cyrillic letter, commonly representing the voiceless labiodental fricative /f/, like the pronunciation of ⟨f⟩ in "fill". The Cyrillic letter Ef is romanized as ⟨f⟩.
Read more about Ef (Cyrillic): History, Usage, Related Letters and Other Similar Characters, Computing Codes