Image Item No. Description  2756pb308  Duplo, Tile 2 x 2 x 1 with Black Capital Letter A with Diaeresis (Ä) Pattern Catalog: Parts: DUPLO, Tile, Decorated  2756pb323  Duplo, Tile 2 x 2 x 1 with Black Capital Letter O with Diaeresis (Ö) Pattern Catalog: Parts: DUPLO, Tile, Decorated  2756pb330  Duplo, Tile 2 x 2 x 1 with Black Capital Letter U with Diaeresis (Ü) Pattern Catalog: Parts: DUPLO, Tile, Decorated  2756pb332  Duplo, Tile 2 x 2 x 1 with Black Capital Letter W Pattern Catalog: Parts: DUPLO, Tile, Decorated