Word Grid
Every room in the grid has 2 images that appear as portraits in the room, they depend on the coordinates of the room, and consist of 2 images that each indicates a word in English, with 1 word having an extra character to the other, that character is then recorded in that grid location, and the complete grid exposes a message。
The grid goes from A to E from left to right, and from rank 1 to 9

A1
Dessert and Desert
S
B1
Pray and Pry
A
C1
Ace and Face
F
D1
E1
A2
Plane and Plan
E
B2
Stairs and Stars
I
A4
Card and Car: D
B5
Pilot and Plot: I
