Moved available letters to config.

config/default.js

@@ -100,6 +100,37 @@ module.exports = {
 	letters: {
 		length: 9,
 		timeout: 60,
+		// http://www.thecountdownpage.com/letters.htm
+		vowels: {
+			a: 15,
+			e: 21,
+			i: 13,
+			o: 13,
+			u: 5,
+		},
+		consonants: {
+			b: 2,
+			c: 3,
+			d: 6,
+			f: 2,
+			g: 3,
+			h: 2,
+			j: 1,
+			k: 1,
+			l: 5,
+			m: 4,
+			n: 8,
+			p: 4,
+			q: 1,
+			r: 9,
+			s: 9,
+			t: 9,
+			v: 1,
+			w: 1,
+			x: 1,
+			y: 1,
+			z: 1,
+		},
 	},
 	numbers: {
 		length: 6,