tu seu tu seu tu seu
tu seu tu seu tu seu .
t̪ u WORD_BOUNDARY s̺ ɛ w WORD_BOUNDARY t̪ u WORD_BOUNDARY s̺ ɛ w WORD_BOUNDARY t̪ u WORD_BOUNDARY s̺ ɛ w WORD_BOUNDARY
t u WORD_BOUNDARY s e u WORD_BOUNDARY t u WORD_BOUNDARY s e u WORD_BOUNDARY t u WORD_BOUNDARY s e u WORD_BOUNDARY . WORD_BOUNDARY