Compare data between two internal tables

Hi experts

I have two internal table, first contains username and a code, second table I have in one record all codes that I need to check on first table.

I mean:

TABLE 1

username code

XXX NA

YYY PA

ZZZ DA

TABLE 2

code1 code2 code3 code4 code5 code6 code7 code8

LA CA NA PA DA XA

How can I check codes in table 1 match in table 2?

Thanks un advance.