is van de brievenbus
is van de brievenbus ?
 ɪ s WORD_BOUNDARY v ɑ n WORD_BOUNDARY d ə WORD_BOUNDARY b r i v ə n b ɵ s WORD_BOUNDARY
i s WORD_BOUNDARY v a n WORD_BOUNDARY d e WORD_BOUNDARY b r i e v e n b u s WORD_BOUNDARY