英语IQ题 If FRTZZ is the code for ESSAY what is the code for PAPER

题目

英语IQ题 If FRTZZ is the code for ESSAY what is the code for PAPER
我想过用字母表的顺序来做 但是答案有点奇怪 QZQDS

答案

FRTZZ is the code for ESSAY
E + 1 = F
S - 1 = R
S + 1 = T
A - 1 = Z
Y + 1 = Z
PAPER
P+1=Q
A-1=Z
P+1=Q
E-1=D
R+1=S
所以答案是:QZQDS