ä a a a a ä ä ä a a
ä a a a a ä ä ä a a .
 ɛː WORD_BOUNDARY  aː WORD_BOUNDARY  aː WORD_BOUNDARY  aː WORD_BOUNDARY  aː WORD_BOUNDARY  ɛː WORD_BOUNDARY  ɛː WORD_BOUNDARY  ɛː WORD_BOUNDARY  aː WORD_BOUNDARY  aː WORD_BOUNDARY
ä WORD_BOUNDARY a WORD_BOUNDARY a WORD_BOUNDARY a WORD_BOUNDARY a WORD_BOUNDARY ä WORD_BOUNDARY ä WORD_BOUNDARY ä WORD_BOUNDARY a WORD_BOUNDARY a WORD_BOUNDARY