hü_ah_hü_ah_hü
hü ah hü ah hü .
h yː WORD_BOUNDARY  aː WORD_BOUNDARY h yː WORD_BOUNDARY  aː WORD_BOUNDARY h yː WORD_BOUNDARY
h ü WORD_BOUNDARY a h WORD_BOUNDARY h ü WORD_BOUNDARY a h WORD_BOUNDARY h ü WORD_BOUNDARY