Forums Scripts & Popups $encode - $decode

Not sure why this is not working. It encodes ok I can see %word echoed encoded but not decoded when I use /dword hope Im explaining ok its Late.

mIRC: v6.31
OS: XP Home

/word {
set %word $1
//echo -a $encode(%word)
}

dword {
//echo -a %password
set %decode $decode(%word)
echo -a %decode
}