char[] pairs = {'a', 'c', 'b', 'd', 'd', 'a', 'b', 'c'};
boolean[] base = {true, true, true, false, true, false, true, true};
void setup() {
	size(800, 300);
	textSize(30);
	textAlign(CENTER, TOP);
}
void draw() {
	background(127);
	for(int i = 0; i < pairs.length ;i++){
		text(pairs[i], 50 + (width/pairs.length)*i , 180);
		if(base[i]==0){
			rect((width/pairs.length)*(i+1),200,(width/pairs.length),100);
			fill(0);
		}
	}


}