la pisarra ya no pinta
la pisarra ya no pinta .
l a WORD_BOUNDARY p i s a r a WORD_BOUNDARY i a WORD_BOUNDARY n o̞ WORD_BOUNDARY p i n t a WORD_BOUNDARY
l a WORD_BOUNDARY p i s a r r a WORD_BOUNDARY y a WORD_BOUNDARY n o WORD_BOUNDARY p i n t a WORD_BOUNDARY . WORD_BOUNDARY