nos caímos al piso
nos caímos al piso .
n o̞ s WORD_BOUNDARY k a i m o̞ s WORD_BOUNDARY a l WORD_BOUNDARY p i s o̞ WORD_BOUNDARY
n o s WORD_BOUNDARY c a í m o s WORD_BOUNDARY a l WORD_BOUNDARY p i s o WORD_BOUNDARY . WORD_BOUNDARY