{'a': 25, 'b': 23, 'c': 30, 'd': 21, 'e': 18, 'f': 18, 'g': 20, 'h': 17, 'i': 17, 'j': 12, 'k': 15, 'l': 18, 'm': 19, 'n': 15, 'o': 20, 'p': 15, 'q': 13, 'r': 19, 's': 21, 't': 25, 'u': 13, 'v': 13, 'w': 16, 'x': 18, 'y': 16, 'z': 18}