| 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. |
| /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. |