o chera chera chera
o chera chera chera .
o WORD_BOUNDARY t̠ʃ e r a WORD_BOUNDARY t̠ʃ e r a WORD_BOUNDARY t̠ʃ e r a WORD_BOUNDARY
o WORD_BOUNDARY c h e r a WORD_BOUNDARY c h e r a WORD_BOUNDARY c h e r a WORD_BOUNDARY