yo empujo a Juan
yo empuja a Juan
pro:sub v prepart n:prop
yo empujo a juan .
i o̞ WORD_BOUNDARY e̞ m p u x o̞ WORD_BOUNDARY a WORD_BOUNDARY x w a n WORD_BOUNDARY
y o WORD_BOUNDARY e m p u j o WORD_BOUNDARY a WORD_BOUNDARY j u a n WORD_BOUNDARY . WORD_BOUNDARY