a fo 乜嘢 aa3
a fo mat1je5 aa3
n:let L2 wh fil
a fo 乜嘢 aa3 ?
 WORD_BOUNDARY  WORD_BOUNDARY m ɐ˥ t̚ j ɛ˨˧ WORD_BOUNDARY a˧ WORD_BOUNDARY
a WORD_BOUNDARY f o WORD_BOUNDARY 乜 嘢 WORD_BOUNDARY a a 3 WORD_BOUNDARY ? WORD_BOUNDARY