was ist da am Fuß
was ist da am fuß ?
v a s WORD_BOUNDARY  ɪ s t WORD_BOUNDARY d aː WORD_BOUNDARY  a m WORD_BOUNDARY f uː s WORD_BOUNDARY
w a s WORD_BOUNDARY i s t WORD_BOUNDARY d a WORD_BOUNDARY a m WORD_BOUNDARY f u ß WORD_BOUNDARY