atchi achacha achacha
atchi achacha achacha .
a t t̠ʃ i WORD_BOUNDARY a t̠ʃ a t̠ʃ a WORD_BOUNDARY a t̠ʃ a t̠ʃ a WORD_BOUNDARY
a t c h i WORD_BOUNDARY a c h a c h a WORD_BOUNDARY a c h a c h a WORD_BOUNDARY