nunca fuíste al médico
nunca fuíste al médico ?
n u n k a WORD_BOUNDARY f w i s t e̞ WORD_BOUNDARY a l WORD_BOUNDARY m e̞ d i k o̞ WORD_BOUNDARY
n u n c a WORD_BOUNDARY f u í s t e WORD_BOUNDARY a l WORD_BOUNDARY m é d i c o WORD_BOUNDARY ? WORD_BOUNDARY