bit1 bit1 lu3 喎
bit1 bit1 lu3 wo3
on on sfp sfp
bit1 bit1 lu3 喎 .
p i˥ t WORD_BOUNDARY p i˥ t WORD_BOUNDARY l u˧ WORD_BOUNDARY w ɔ̽˧ WORD_BOUNDARY
b i t 1 WORD_BOUNDARY b i t 1 WORD_BOUNDARY l u 3 WORD_BOUNDARY 喎 WORD_BOUNDARY . WORD_BOUNDARY