was kann 'n das gewesen sein
was kann 'n das gewesen sein ?
v a s WORD_BOUNDARY k a n WORD_BOUNDARY  ɛ n WORD_BOUNDARY d a s WORD_BOUNDARY ɡ ə v eː z ə n WORD_BOUNDARY z aɪ n WORD_BOUNDARY
w a s WORD_BOUNDARY k a n n WORD_BOUNDARY ' n WORD_BOUNDARY d a s WORD_BOUNDARY g e w e s e n WORD_BOUNDARY s e i n WORD_BOUNDARY