tret tet tet tet tret tet tet tet
tret tet tet tet tret tet tet tet .
t r ə t WORD_BOUNDARY t ə t WORD_BOUNDARY t ə t WORD_BOUNDARY t ə t WORD_BOUNDARY t r ə t WORD_BOUNDARY t ə t WORD_BOUNDARY t ə t WORD_BOUNDARY t ə t WORD_BOUNDARY
t r e t WORD_BOUNDARY t e t WORD_BOUNDARY t e t WORD_BOUNDARY t e t WORD_BOUNDARY t r e t WORD_BOUNDARY t e t WORD_BOUNDARY t e t WORD_BOUNDARY t e t WORD_BOUNDARY . WORD_BOUNDARY