mmm mmmm mmm
mmm mmmm mmm
on on on
mmm mmmm mmm .
ɛ m ɛ m ɛ m WORD_BOUNDARY ɛ m ɛ m ɛ m ɛ m WORD_BOUNDARY ɛ m ɛ m ɛ m WORD_BOUNDARY
m m m WORD_BOUNDARY m m m m WORD_BOUNDARY m m m WORD_BOUNDARY . WORD_BOUNDARY