zer esan+dizu ba
zer esan dizu ba ?
s̪̻ e ɾ WORD_BOUNDARY e s̺ a n WORD_BOUNDARY d̪ i s̪̻ u WORD_BOUNDARY β a WORD_BOUNDARY
z e r WORD_BOUNDARY e s a n WORD_BOUNDARY d i z u WORD_BOUNDARY b a WORD_BOUNDARY ? WORD_BOUNDARY