in papa en mamas bed
in papa en mamas bed ?
 ɪ n WORD_BOUNDARY p aː p aː WORD_BOUNDARY  ɛ n WORD_BOUNDARY m aː m ɑ s WORD_BOUNDARY b ɛ t WORD_BOUNDARY
i n WORD_BOUNDARY p a p a WORD_BOUNDARY e n WORD_BOUNDARY m a m a s WORD_BOUNDARY b e d WORD_BOUNDARY