tong teng tong teng
tong teng tong teng .
t o ŋ WORD_BOUNDARY t ə ŋ WORD_BOUNDARY t o ŋ WORD_BOUNDARY t ə ŋ WORD_BOUNDARY
t o n g WORD_BOUNDARY t e n g WORD_BOUNDARY t o n g WORD_BOUNDARY t e n g WORD_BOUNDARY . WORD_BOUNDARY