• 

  p

  12/8/2006

• 

  s is for shoelace

  2/12/2005

• 

  H

  4/7/2006

• 

  begins with m

  11/6/2006

• 

  lettered footprint

  3/11/2005

• 

  Duisburg posters

  7/4/2006

• 

  arte logo

  24/2/2002