SELECT ColAAAA, ColBBBB, ColCCCC, ColDDDD, ColEEEE
FROM Sometables
CROSS APPLY (
SELECT colEEEE UNION ALL
SELECT colFFFF UNION ALL
SELECT colGGGG UNION ALL
SELECT colHHHH
) x
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden