lei4 呢 便 反
lei4 ne1 bin6 faan2
v sfp n v
lei4 呢 便 反 .
l ei˧˩̰ WORD_BOUNDARY n ɛ˥ WORD_BOUNDARY p i˨ n WORD_BOUNDARY f a̞˧˥ n WORD_BOUNDARY
l e i 4 WORD_BOUNDARY 呢 WORD_BOUNDARY 便 WORD_BOUNDARY 反 WORD_BOUNDARY . WORD_BOUNDARY