opa in de helikopter
opa in de helikopter .
 oː p aː WORD_BOUNDARY  ɪ n WORD_BOUNDARY d ə WORD_BOUNDARY h eː l i k ɔ p t ə r WORD_BOUNDARY
o p a WORD_BOUNDARY i n WORD_BOUNDARY d e WORD_BOUNDARY h e l i k o p t e r WORD_BOUNDARY