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Use "vowels" in a sentence
"One was trained to do breathing exercises daily, while the other did 30 minutes of throat exercises, including swallowing and chewing motions, placing the tip of the tongue against the front of the palate and sliding it back, and pronouncing certain vowels quickly and continuously."
"I was a little concerned that he was still only talking in vowels (since the book I read said he should be using consonants by around six months) and a few days later he was babbling with plenty of consonants (mamama, bababa, etc.)."
"Certain vowels seem shallow, especially the open "O" vowel, which played a prominent part in the program."