a sta a di idu
a sta a di idu ?
a WORD_BOUNDARY s t̪ a WORD_BOUNDARY a WORD_BOUNDARY d̪ i WORD_BOUNDARY i d̪ u WORD_BOUNDARY
a WORD_BOUNDARY s t a WORD_BOUNDARY a WORD_BOUNDARY d i WORD_BOUNDARY i d u WORD_BOUNDARY ? WORD_BOUNDARY