| Sound | Tongue | Lips | Jaw | Teeth | Air | Vocal Chords |
|---|
| /ˈ/ | | | | | | |
| /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. |
| /ɪ/ | The tongue raises high in the mouth. It moves to the front of the mouth. Then the tip of the tongue moves behind the bottom front teeth. The tongue remains relaxed in the front of the mouth. | The lips separated and relaxed. | The jaw drops and the mouth opens a little bit. | | | The vocal cords vibrate. |
| /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. |
| /t/ | The tongue will come up. The front part will touch the roof of the mouth behind the top teeth. Then it will pull down to release the air. | | | The teeth are together. Then they separate. | Air passes through the mouth. First, the air stops. Then, it flows. | The vocal cords do not vibrate. |
