Button btna = new Button("a");
Button btnb = new Button("b");
Button btnc = new Button("c");
Button btnd = new Button("d");
Button btne = new Button("e");
Button btnf = new Button("f");
Button btng = new Button("g");
Button btnh = new Button("h");
Button btni = new Button("i");
Button btnj = new Button("j");
Button btnk = new Button("k");
Button btnl = new Button("l");
Button btnm = new Button("m");
Button btnn = new Button("n");
Button btno = new Button("o");
Button btnp = new Button("p");
Button btnq = new Button("q");
Button btnr = new Button("r");
Button btns = new Button("s");
Button btnt = new Button("t");
Button btnu = new Button("u");
Button btnv = new Button("v");
Button btnw = new Button("w");
Button btnx = new Button("x");
Button btny = new Button("y");
Button btnz = new Button("z");