aa3 唔 寫 aa3
aa3 m4 se2 aa3
fil adv:neg v fil
aa3 唔 寫 aa3 .
a̞˧ WORD_BOUNDARY m̩˧˩̰ WORD_BOUNDARY s ɛ˧˥ WORD_BOUNDARY a̞˧ WORD_BOUNDARY
a a 3 WORD_BOUNDARY 唔 WORD_BOUNDARY 寫 WORD_BOUNDARY a a 3 WORD_BOUNDARY . WORD_BOUNDARY