1. create hashes for letter-word pairs 2. concatenate the input string 3. Compare the string's(aka. vector's) each letter as an array's elements to the hashes. Do this step throgh a loop (eg.: for, untill) 4. Enjoy! :-) "Nobody expects the 5p4n15h 1nqu151710n!" M0n7y "l337" Py70n andras.simon@sanyo.hu