A Mode Of Flight. 3 words=== 6 letters, 1 letter, 6 letters
First word, 2nd letter is A
3rd letter of first word is same as last letter of 3rd word
5th letter of first word is same as first letter of 3 word.
Letters coded as 2, 4, 9, 3, 6, 11 ----8---- 6, 10, 5, 7, 12, 9