| 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. |
| /l/ | The tongue is against the back of the upper teeth. | | | | The air flows around the sides of the mouth. | The vocal cords vibrate. |
| /z/ | The tongue is behind the teeth. | | | The teeth remain clenched. | The air flows through the tip of the tongue. | The vocal cords vibrate. |
