abre la muralla cierra la muralla
abre la muralla cierra la muralla .
a β ɾ e̞ WORD_BOUNDARY l a WORD_BOUNDARY m u ɾ a ʝ a WORD_BOUNDARY s i e̞ r a WORD_BOUNDARY l a WORD_BOUNDARY m u ɾ a ʝ a WORD_BOUNDARY
a b r e WORD_BOUNDARY l a WORD_BOUNDARY m u r a l l a WORD_BOUNDARY c i e r r a WORD_BOUNDARY l a WORD_BOUNDARY m u r a l l a WORD_BOUNDARY . WORD_BOUNDARY