y detras del tercero
y detras del tercero ?
i WORD_BOUNDARY ð e t ɾ a s WORD_BOUNDARY ð e l WORD_BOUNDARY t e ɾ θ e ɾ o WORD_BOUNDARY
y WORD_BOUNDARY d e t r a s WORD_BOUNDARY d e l WORD_BOUNDARY t e r c e r o WORD_BOUNDARY