◊ 1 small letter (A) over 2 numbers, 6 numbers
◊ 1 medium letter (A) over 2 numbers, 6 numbers
◊ 2 letters over 1 number, 6 numbers
◊ 2 letters over 2 numbers, 6 numbers
◊ 1 small letter (B) over 1 number, 6 numbers
◊ 1 small letter (B) over 2 numbers, 6 numbers
◊ 1 medium letter (B) over 2 numbers, 6 numbers
◊ 2 letters over 1 number, 6 numbers
◊ 2 letters over 2 numbers, 6 numbers
◊ 1 small letter (B) over 1 number, 6 numbers
◊ 1 small letter (B) over 2 numbers, 6 numbers
◊ 1 medium letter (B) over 2 numbers, 6 numbers