| 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. |
| /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. |
| /ʃ/ | The tongue raises a bit in the middle. It does not touch the roof of the mouth. It presses against the inside corner of the top teeth. The front part of the tongue comes down not touching anything in the mouth. | The corners of the lips are in. The rest of the lips flare. | | The teeth are together. | Air passes through the mouth. | The vocal cords do not vibrate. |
