Table I.--Normal frequency table. Frequency for ten thousand letters and for two hundred letters. This latter is put in graphic form and is necessarily an approximation. Taken from military orders and reports, English text. 10,000 Letters 200 Letters A 778 16 1111111111111111 B 141 3 111 C 296 6 111111 D 402 8 11111111 E 1277 26 11111111111111111111111111 F 197 4 1111 G 174 3 111 H 595 12 111111111111 I 667 13 1111111111111 J 51 1 1 K 74 2 11 L 372 7 1111111 M 288 6 111111 N 686 14 11111111111111 O 807 16 1111111111111111 P 223 4 1111 Q 8 R 651 13 1111111111111 S 622 12 111111111111 T 855 17 11111111111111111 U 308 6 111111 V 112 2 11 W 176 3 111 X 27 Y 196 4 1111 Z 17 Vowels AEIOU = 38.37%; consonants LNRST = 31.86%; consonants JKQXZ = 1.77%. The vowels may be safely taken as 40%, consonants LNRST as 30% and consonants JKQXZ as 2%. Order of letters: E T O A N I R S H D L U C M P F Y W G B V K J X Z Q. Table II.--Frequency table for telegraph messages, English text. This table varies slightly from the standard frequency table because the common word "the" is rarely used in telegrams and there is a tendency to use longer and less common words in preparing telegraph messages. 10,000 Letters 200 Letters