aa3 睇 haa5 先
aa3 tai2 haa5 sin1
fil v sfp sfp
aa3 睇 haa5 先 .
a̞˧ WORD_BOUNDARY tʰ ɐi˧˥ WORD_BOUNDARY h a̞˩˧ WORD_BOUNDARY s i˥ n WORD_BOUNDARY
a a 3 WORD_BOUNDARY 睇 WORD_BOUNDARY h a a 5 WORD_BOUNDARY 先 WORD_BOUNDARY . WORD_BOUNDARY