Replace multiple characters in a string using a dictionary

Hello, I have a column whit one row and would like to replace each character with a string.

From:

ADCE

to:

Ala-Asp-Cys-Glu

I have tried String Replacer (Dictionary) with multiple parameters,

the columns used are:

Pattern | Replacement

A | Ala-

D | Asp-

C | Cys-

E | Glu-

However, it is not working, could somebody help, thank you in advance.