For this code each letter is tapped by two numbers, first the row, then the column according to the grid below. All letters except K is in the grid (C is used to represent K).
Example:
C (1,3) = . ...
O (3,4) = ... ....
D (1,4) = . ....
E (1,5) = . .....
Tapping "code" would be: . ... ... .... . .... . .....
| TAPS | 1 | 2 | 3 | 4 | 5 |
| 1 | A | B | C | D | E |
| 2 | F | G | H | I | J |
| 3 | L | M | N | O | P |
| 4 | Q | R | S | T | U |
| 5 | V | W | X | Y | Z |
