Reasoning

Using +4 letter coding, CODE → ?

Using +3 letter coding, CODE → ?

Using +7 letter coding, CODE → ?

Using +5 letter coding, CODE → ?

Using +1 letter coding, CODE → ?

Using +2 letter coding, CODE → ?

Using +6 letter coding, CODE → ?

Using +4 letter coding, CODE → ?

Using +3 letter coding, CODE → ?

Using +7 letter coding, CODE → ?

Using +5 letter coding, CODE → ?

Using +1 letter coding, CODE → ?

Using +2 letter coding, CODE → ?

Using +6 letter coding, CODE → ?

Using +4 letter coding, CODE → ?

Using +3 letter coding, CODE → ?

Using +7 letter coding, CODE → ?

Using +5 letter coding, CODE → ?

Using +1 letter coding, CODE → ?

Using +2 letter coding, CODE → ?

Using +6 letter coding, CODE → ?

Using +4 letter coding, CODE → ?

Using +3 letter coding, CODE → ?

Using +7 letter coding, CODE → ?

Using +5 letter coding, CODE → ?