tachan tachan tachan
tachan tachan tachan !
t a t̠ʃ a n WORD_BOUNDARY t a t̠ʃ a n WORD_BOUNDARY t a t̠ʃ a n WORD_BOUNDARY
t a c h a n WORD_BOUNDARY t a c h a n WORD_BOUNDARY t a c h a n WORD_BOUNDARY ! WORD_BOUNDARY