Answer the given question with a proper explanation and step-by-step solution.  This was enciphered using a keyword columnar transposition substitution method. Find the original plaintext and the keyword used. Thank you. ZRXE KGREU LJP HUOUJ TULEK LIR RXE ZLSBUEK AERXIBS ZRESB RJ SBHK GRJSHJUJS L JUF JLSHRJ GRJGUHOUP HJ NHAUEST LJP PUPHGLSUP SR SBU WERWRK HSHRJ SBLS LNN DUJ LEU GEULSUP UCXLN

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