ist was runtergefallen
sein was fallen
cop pro part
ist was runtergefallen ?
 ɪ s t WORD_BOUNDARY v a s WORD_BOUNDARY r ʊ n t ɜ ɡ eː f a l ə n WORD_BOUNDARY
i s t WORD_BOUNDARY w a s WORD_BOUNDARY r u n t e r g e f a l l e n WORD_BOUNDARY