Sound | Tongue | Lips | Jaw | Teeth | Air | Vocal Chords |
---|---|---|---|---|---|---|
/s/ | The tongue is behind the teeth. | The teeth remain clenched. | The air flows through the tip of the tongue towards the edge of the teeth. | The vocal cords do not vibrate. | ||
/o/ | The back of the tongue raises above the middle of the mouth. | The vocal cords vibrate. | ||||
/ʊ/ | The back of the tongue lifts towards the back of the roof of the mouth. | The lips flare. | The vocal cords vibrate. |