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VOWELS - Coggle Diagram
VOWELS
Stability of articulation
Diphtongs
[eɪ, aɪ, ɔɪ, aʊ, 3ʊ, ɪə, ɛə, ʊə]
Diphtongoids
[i:, u:]
Monophtongs
[ɪ, e, æ, a:, ɒ, ɔ:, ʊ, ʌ, 3:, ə]
Tongue position
When the tongue moves forvard and backward
Front
[i:, e, æ]
Front-retracted
[ɪ]
Central
[3:, ʌ, ə]
Back-advanced
[ʊ]
Back
[a:, ɒ, ɔ:, u:]
When the tongue moves up and down
Close
[i:, ɪ, ʊ, u:]
Open
[æ, a:, ɒ, ɔ:]
Mid
[e, ʌ, 3:, ə]
Lip position
Unrounded
[i:, e, a:, 3:, ɪ, æ, ʌ, ə]
Rounded
[ɒ, ɔ:, u:, ʊ]
Character of Vowel End
Free
(vowel is followed by a weak voiced consonant or by no consonant at all)
Checked
(Stressed vowel is followed by a strong voiceless consonant and cut off by it)