de s de e ett pe
de s de e ett pe .
d eː WORD_BOUNDARY ɛ s WORD_BOUNDARY d eː WORD_BOUNDARY eː WORD_BOUNDARY ɛ t WORD_BOUNDARY p eː WORD_BOUNDARY
d e WORD_BOUNDARY s WORD_BOUNDARY d e WORD_BOUNDARY e WORD_BOUNDARY e t t WORD_BOUNDARY p e WORD_BOUNDARY