Another unvoiced and voiced pair of sounds are “FFF” usually denoted by the letter F and “VVV” denoted by the letter V. Sometimes the letter F can require a voiced “VVV” sound as in the word “of”. The double F in “off” has the unvoiced “FFF” sound. As ever, you can always refer to a dictionary’s pronunciation guide to help clear up any confusions.

The unvoiced “FFF” sound is made by pushing a continuous flow of air between your lower lip and your top front teeth. It is a labiodental fricative sound. Let’s practice it with all the vowels.