chin+chin chin+chin
chin chin chin chin .
t̠ʃ i n WORD_BOUNDARY t̠ʃ i n WORD_BOUNDARY t̠ʃ i n WORD_BOUNDARY t̠ʃ i n WORD_BOUNDARY
c h i n WORD_BOUNDARY c h i n WORD_BOUNDARY c h i n WORD_BOUNDARY c h i n WORD_BOUNDARY . WORD_BOUNDARY