I think nested foreach loops are more readable. ``` import std; void main() { alias alphabet = letters; char[26] letters = ['a','b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'];
string wordExample = "Book."; foreach (letter; wordExample){ foreach (alphabetLetter; letters){ if (letter == alphabetLetter) { writeln(letter); } } } } ```