includes also characters

main.go

@@ -11,6 +11,32 @@ import (
 const newLine = 40
 
 var charMap = map[byte]string{
+	4:  "a",
+	5:  "b",
+	6:  "c",
+	7:  "d",
+	8:  "e",
+	9:  "f",
+	10: "g",
+	11: "h",
+	12: "i",
+	13: "j",
+	14: "k",
+	15: "l",
+	16: "m",
+	17: "n",
+	18: "o",
+	19: "p",
+	20: "q",
+	21: "r",
+	22: "s",
+	23: "t",
+	24: "u",
+	25: "v",
+	26: "w",
+	27: "x",
+	28: "y",
+	29: "z",
 	30: "1",
 	31: "2",
 	32: "3",