was willst 'n bauen
was willst 'n bauen ?
v a s WORD_BOUNDARY v ɪ l s t WORD_BOUNDARY  ɛ n WORD_BOUNDARY b aʊ ə n WORD_BOUNDARY
w a s WORD_BOUNDARY w i l l s t WORD_BOUNDARY ' n WORD_BOUNDARY b a u e n WORD_BOUNDARY