en casa del abuelo
en casa del abuelo ?
e̞ n WORD_BOUNDARY k a s a WORD_BOUNDARY d e̞ l WORD_BOUNDARY a β w e̞ l o̞ WORD_BOUNDARY
e n WORD_BOUNDARY c a s a WORD_BOUNDARY d e l WORD_BOUNDARY a b u e l o WORD_BOUNDARY ? WORD_BOUNDARY