pero va a volver a
pero va a volver a ?
p e̞ ɾ o̞ WORD_BOUNDARY β a WORD_BOUNDARY a WORD_BOUNDARY β o̞ l β e̞ ɾ WORD_BOUNDARY a WORD_BOUNDARY
p e r o WORD_BOUNDARY v a WORD_BOUNDARY a WORD_BOUNDARY v o l v e r WORD_BOUNDARY a WORD_BOUNDARY ? WORD_BOUNDARY