| 21. | A back vowel would be the / u / or " oooooooo " sound.
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| 22. | Stop consonants have palatal allophones before front vowels and velar allophones before back vowels.
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| 23. | Between back vowels, it may be silent or sound like a bilabial glide.
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| 24. | The technique is used by ventriloquists to mask the visible rounding of back vowels like.
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| 25. | Such stems break vowel harmony by combining front and back vowels : e . g.
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| 26. | The standard pronunciation is something between and, i . e . mid back vowel.
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| 27. | This developed historically from a prenasalized stop before a relatively high back vowel, such as.
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| 28. | Unrounded back vowels are typically centralized, that is, near-back in their articulation.
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| 29. | The short back vowel is higher than its long and nasal counterparts ( vs . ).
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| 30. | In Old English and Old Frisian, the back vowels were fronted to in certain cases.
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