was was baust du denn
was was baust du denn ?
v a s WORD_BOUNDARY v a s WORD_BOUNDARY b aʊ s t WORD_BOUNDARY d uː WORD_BOUNDARY d ɛ n WORD_BOUNDARY
w a s WORD_BOUNDARY w a s WORD_BOUNDARY b a u s t WORD_BOUNDARY d u WORD_BOUNDARY d e n n WORD_BOUNDARY