biste unter 'm Bett
biste unter 'm bett ?
b ɪ s t ə WORD_BOUNDARY  ʊ n t ɐ WORD_BOUNDARY  ɛ m WORD_BOUNDARY b ɛ t WORD_BOUNDARY
b i s t e WORD_BOUNDARY u n t e r WORD_BOUNDARY ' m WORD_BOUNDARY b e t t WORD_BOUNDARY