ف said to be the same as פ
Pe is the seventeenth letter of the Semitic abjads, including Phoenician pē , Hebrew pē פ, Aramaic pē , Syriac pē  ܦ, and Arabic fāʾ ف (in abjadi order).Origins
Pe is usually assumed to come from a pictogram of a “mouth” (in Hebrew pe; in Arabic, فا fah).