hallo Anna bist du da
hallo anna bist du da ?
h a l oː WORD_BOUNDARY  a n aː WORD_BOUNDARY b ɪ s t WORD_BOUNDARY d uː WORD_BOUNDARY d aː WORD_BOUNDARY
h a l l o WORD_BOUNDARY a n n a WORD_BOUNDARY b i s t WORD_BOUNDARY d u WORD_BOUNDARY d a WORD_BOUNDARY