In I2:
=IFERROR(INDEX(Second!$B:$B,SMALL(IF(Second!$A$1:$ A$50=$G2,ROW($A$1:$A$50)),COLUMN(A1))),"")
and insert the formula with CTRL+Shift+Enter
and copy to the right


Regards
Claus B.
--

Aha! Got it.

And the $G2 to pull to the right.
And the G$2 to pull down.

Thanks Claus.