Label grid cells (6x6)

Label the cells of a grid with its coordinates. Rows are labelled top to bottom from A to F, and columns left to right from A to F. Each cell has a coordinate MN, where M is the row letter and N is the column letter.

Input


    

Output

AA AB AC AD AE AF
BA BB BC BD BE BF
CA CB CC CD CE CF
DA DB DC DD DE DF
EA EB EC ED EE EF
FA FB FC FD FE FF