I need an explanation about "MP Needed" table

i want ask about edit "MP  Needed" coz they using Special table my qustions here how we 
can add another letters like Lowercase letters "abcd" or tell him using another word like "Power CC"
Is it possible for one to explain to us, thankfully...

and this table for MP Needed

Code:

# ROM (header)  CPU address
# 14C41-14C4B   C14A41-C14A4B  "MP  Needed" in Magic battle menu


08=0
09=1
0A=2
0B=3
0C=4
0D=5
0E=6
0F=7
10=8
11=9
12=M
13=H
14=P
15=/
16=N
17=e
18=d
19=M
1A=P
FF=

Regards

You need to expand (and relocate) the $C13FCB table and then modify the $C14A37 text accordingly.

This thread should help: https://www.ff6hacking.com/forums/thread-3152.html