哪 边 跌 倒
na3 bian1 die2 dao4
pro:wh adv v v
哪 边 跌 倒 ?
n a ˧˩˧ WORD_BOUNDARY p j ɛ ˥ n WORD_BOUNDARY t j e ˧˥ WORD_BOUNDARY t au̯ ˥˩ WORD_BOUNDARY 
哪 WORD_BOUNDARY 边 WORD_BOUNDARY 跌 WORD_BOUNDARY 倒 WORD_BOUNDARY