nten tren tren ten
nten tren tren ten .
n t ɛ n WORD_BOUNDARY t r ɛ n WORD_BOUNDARY t r ɛ n WORD_BOUNDARY t ɛ n WORD_BOUNDARY
n t e n WORD_BOUNDARY t r e n WORD_BOUNDARY t r e n WORD_BOUNDARY t e n WORD_BOUNDARY