#!/bin/sh
sed 'y/àáâãäåèéêëìíîïòóôõöùúûüýÿçñàáâãäåèéêëìíîïòóôõöùúûüýÿçñ/aaaaaaeeeeiiiiooooouuuuyyçnaaaaaaeeeeiiiiooooouuuuyyçn/'