aber zer dien ba
aber zer dien ba .
a β e ɾ WORD_BOUNDARY s̪̻ e ɾ WORD_BOUNDARY ð i e n WORD_BOUNDARY b a WORD_BOUNDARY
a b e r WORD_BOUNDARY z e r WORD_BOUNDARY d i e n WORD_BOUNDARY b a WORD_BOUNDARY . WORD_BOUNDARY