Figures: Vowels [i], [y], [a] and [u]
generated by using SpeechTraner version 2.0.
Bilabial constriction in [bu:],[be:]and [fe:]
Dorsal constriction in [?Ic], [?ax] and [ru:]
Apical constriction in [TE:], [sE:] and [SE:]
full closure of vocal tract in [tE:] and [kE:]
(a) Velum lowered in [?En], (b) velum in higher position and (c) velopharyngeal port tightly closed.