| 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. | ||
| /ɛ/ | The tongue tip touches the back of the bottom front teeth. The middle part of the tongue arches up towards the roof of the mouth. | The jaw drops. | The vocal cords vibrate. | |||
| /k/ | The back part of the tongue reaches up and touches the soft palate, cutting off the air. The tongue pulls away and the air flows. | The lips position to adjust the sound that comes next. | Air passes through the mouth. First, the air stops. Then, it flows. | The vocal cords do not vibrate. |