係 wu1 wu1 wu1 wu1 wu1
hai6 wu1
v on
係 wu1 wu1 wu1 wu1 wu1 .
h ɐi˨ WORD_BOUNDARY w u˥ WORD_BOUNDARY
係 WORD_BOUNDARY w u 1 WORD_BOUNDARY w u 1 WORD_BOUNDARY w u 1 WORD_BOUNDARY w u 1 WORD_BOUNDARY w u 1 WORD_BOUNDARY . WORD_BOUNDARY