The following are all headlines from recent daily newspapers.  Each of the five is a different letter-for-letter substitution.  All five are derived from the same mixed alphabet at different settings against itself.
 
1.  GCTUBJH BJ QBFBSCTFL ETLC AX IC TA KXUA DCTMC
2.  DGOZL GEZ ALCLKZL YVPP BZ JDVIL DGOZL VZ UPBSBILA
3.  KAJP HJCH KN SKGG PIN AONTAP T.H. HTAEOKGGJPXO WAIPO
4.  TEEL JSZDT YB, KDMAEVDT LEXHVYBCMP
5.  EIHHM EDYPM CRFY ROD IHGYIN EYYX; MHFM AKMMCRW JKIX CR PCR 

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SETTING - ZUMBA
KEY - PILATES
HAT - AEROBICS
 
MATRIX -
 1  4  7  6  2  5  3  8
 A  E  R  O  B  I  C  S
------------------------
 P  I  L  A  T  E  S  B
 C  D  F  G  H  J  K  M
 N  O  Q  R  U  V  W  X
 Y  Z
 
ALPHABETS -
  P   P C N Y T H U S K W I D O Z E J V A G R L F Q B M X
----------------------------------------------------------
 C1   Z E J V A G R L F Q B M X P C N Y T H U S K W I D O
 C2   U S K W I D O Z E J V A G R L F Q B M X P C N Y T H
 C3   M X P C N Y T H U S K W I D O Z E J V A G R L F Q B
 C4   B M X P C N Y T H U S K W I D O Z E J V A G R L F Q
 C5   A G R L F Q B M X P C N Y T H U S K W I D O Z E J V
 
 
1.  HEARING IN WIKILEAKS CASE TO BE AT FORT MEADE
1.  GCTUBJH BJ QBFBSCTFL ETLC AX IC TA KXUA DCTMC
 
2.  HOUSE OKS DEFENSE BILL AS WHITE HOUSE IS PLACATED
2.  DGOZL GEZ ALCLKZL YVPP BZ JDVIL DGOZL VZ UPBSBILA
 
3.  IRAN SAYS IT WILL NOT RETURN U.S. SURVEILLANCE DRONE
3.  KAJP HJCH KN SKGG PIN AONTAP T.H. HTAEOKGGJPXO WAIPO
 
4.  SAAB GIVES UP, DECLARES BANKRUPTCY
4.  TEEL JSZDT YB, KDMAEVDT LEXHVYBCMP
 
5.  BREES BLOWS INTO NFL RECORD BOOK; SETS PASSING MARK IN WIN
5.  EIHHM EDYPM CRFY ROD IHGYIN EYYX; MHFM AKMMCRW JKIX CR PCR