was machst du an
was machst du an ?
v aː s WORD_BOUNDARY m a kʰ s t̺ʰ WORD_BOUNDARY d̺ uː WORD_BOUNDARY aː n WORD_BOUNDARY
w a s WORD_BOUNDARY m a c h s t WORD_BOUNDARY d u WORD_BOUNDARY a n WORD_BOUNDARY ? WORD_BOUNDARY