As she felt the doll with one hand I slowly formed the letters, d-o-l-l with my fingers in her other hand.

VOA: special.2009.11.08

The DNA particles were designed so pieces next to each other contained eighty letters that overlapped, with one placed over the other.

VOA: special.2010.07.20

You can often find a lot of information in family pictures, letters and other documents.

VOA: special.2010.06.28

Dewey began receiving letters from people in other countries.

VOA: special.2009.02.23