Sound | Tongue | Lips | Jaw | Teeth | Air | Vocal Chords |
---|---|---|---|---|---|---|
/ˈ/ | ||||||
/f/ | The bottom lips are in contact with the teeth. | The top teeth press the bottom lips. | The air flows through the teeth. | The vocal cords do not vibrate. | ||
/u/ | The back part of the tongue stretches up towards the soft palate. The front part of the tongue remains down, touching, or behind, the bottom front teeth. | The lips relax while forming a rounded shape. | The vocal cords vibrate. |