was machst 'n du he
was machst 'n du he ?
v a s WORD_BOUNDARY m a x s t WORD_BOUNDARY  ɛ n WORD_BOUNDARY d uː WORD_BOUNDARY h eː WORD_BOUNDARY
w a s WORD_BOUNDARY m a c h s t WORD_BOUNDARY ' n WORD_BOUNDARY d u WORD_BOUNDARY h e WORD_BOUNDARY