Yellow + Pink
White + White
White + Pink
White + Yellow
White + Blue
White + Green
Pink + White
Pink + Pink
Pink + Yellow
Pink + Blue
Pink + Green
Yellow + White
Yellow + Yellow
Yellow + Blue
Yellow + Green
Blue + White
Blue + Pink
Blue + Yellow
Blue + Blue
Blue + Green
Green + White
Green + Pink
Green + Yellow
Green + Blue
Green + Green