| Sound | Tongue | Lips | Jaw | Teeth | Air | Vocal Chords |
|---|
| /ˈ/ | | | | | | |
| /θ/ | Place the tip of your tongue behind your top front teeth, touching the inside edge of your upper incisors. | Keep your lips relaxed and slightly parted. | Keep your jaw slightly open and relaxed. | Keep your top and bottom teeth slightly apart. | Push a stream of air out through your mouth, over the top of your tongue. | Do not use your vocal cords to produce this sound. It is a voiceless consonant. |
| /r/ | The tongue forms an arch near the roof of the mouth. It does not touch any part of the mouth. | | | | The air flows through a narrow space in your mouth. | The vocal cords vibrate. |
| /u/ | The back part of the tongue stretches up towards the soft palate. The front part of the tongue remains down, touching, or behind, the bottom front teeth. | The lips relax while forming a rounded shape. | | | | The vocal cords vibrate. |
| /z/ | The tongue is behind the teeth. | | | The teeth remain clenched. | The air flows through the tip of the tongue. | The vocal cords vibrate. |
