All (ɔ)
fAther (ɑ)
The following diagrams are the result of experiments with an artificial palate, covered with fine powder. When certain sounds are uttered, the tongue touches the palate and some of the powder is removed. What is black in the diagrams indicates those parts of the hard palate which are touched by the tongue.
These diagrams show where the tongue touches the palate in the production of [ʃ] and respectively.]
