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Table 4 Phoneme inventory (number of patients who can pronounce consonants/vowels)

From: Neurodevelopmental profile in Angelman syndrome: more than low intelligence quotient

Phoneme inventory
Consonantic inventory
    m n η p t k
Position Initial Deletion 1 / / 1 0 1
UBE3A mut 1 1 / 1 1 1
Median Deletion 1   / 1 1 1
UBE3A mut 1 1 / 0 1 0
Vocalic inventory
    i e ɛ a ч o
Tonic Deletion / / 1 7 / /
  UBE3A mut 1 1 1 3 1 /
Atonic Deletion / / / 2 / /
  UBE3A mut 1 1 / 2 / /