esta es una chimenea no
esta es una chimenea no ?
e s t a WORD_BOUNDARY e s WORD_BOUNDARY u n a WORD_BOUNDARY t̠ʃ i m e n e a WORD_BOUNDARY n o WORD_BOUNDARY
e s t a WORD_BOUNDARY e s WORD_BOUNDARY u n a WORD_BOUNDARY c h i m e n e a WORD_BOUNDARY n o WORD_BOUNDARY