they've switched arrangements
they switch arrange
pro:sub part n
they've switched arrangements .
ð eɪ v WORD_BOUNDARY s w ɪ t̠ʃ t WORD_BOUNDARY ɚ ɹ eɪ n d̠ʒ m ə n t s WORD_BOUNDARY
t h e y ' v e WORD_BOUNDARY s w i t c h e d WORD_BOUNDARY a r r a n g e m e n t s WORD_BOUNDARY