was muss man kaufen
was müssen man kaufen
pro mod pro v
was muss man kaufen ?
v a s WORD_BOUNDARY m ʊ s WORD_BOUNDARY m a n WORD_BOUNDARY k aʊ f ə n WORD_BOUNDARY
w a s WORD_BOUNDARY m u s s WORD_BOUNDARY m a n WORD_BOUNDARY k a u f e n WORD_BOUNDARY