zu zeintzu lukena izan
zu zeintzu lukena izan ?
s̪̻ u WORD_BOUNDARY s̪̻ ei̯ n t̪̻s̪̻ u WORD_BOUNDARY l u k e n a WORD_BOUNDARY i s̪̻ a n WORD_BOUNDARY
z u WORD_BOUNDARY z e i n t z u WORD_BOUNDARY l u k e n a WORD_BOUNDARY i z a n WORD_BOUNDARY ? WORD_BOUNDARY