| 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. |
| /p/ | Place the tip of your tongue behind your upper front teeth, or slightly below them, so that the air is completely blocked in the oral cavity. | Round your lips tightly, creating a seal to prevent any air from escaping through your mouth. | Keep your jaw relatively tense and stable, without any movement. | The teeth should not be involved in the production of this sound. | Build up air pressure behind the blockage created by your tongue and lips, and then release the air suddenly by popping open the lips, causing a burst of air to be expelled. | Do not use your vocal cords to produce this sound, as it is an unvoiced sound. |
| /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. |
