Diphthongs – English editing.

Diphthongs are single vowel sounds that begin in one vowel position and end in another vowel or glide positions.
• (/oy/) – a tense mid back (rounded) vowel found in words like “boy” and “soy.”
• (/aw/)- a tense low back vowel found in words like “cow” and “blouse.” In some dialects of American English, it begins with a low front vowel and transcribed as /æu/.
• (/ay/) – a tense low back vowel found in words like “Aye” and “my”)
• a – a tense low vowel that varies by dialect.
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