chacha Okaachan chacha
chacha okaachan chacha .
t̠ʃ a t̠ʃ a WORD_BOUNDARY o k aː t̠ʃ a n WORD_BOUNDARY t̠ʃ a t̠ʃ a WORD_BOUNDARY
c h a c h a WORD_BOUNDARY o k a a c h a n WORD_BOUNDARY c h a c h a WORD_BOUNDARY