This week’s puzzle is a list of twelve movie titles with something in common. The titles have been broken into “doublets”, and the doublets for each title have been alphabetized.
Example:
AM ER IC AN BE AU TY
AM AN AU BE ER IC TY
Problems:
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Prior to being broken into doublets, a [7-Letter Key Word] occurred. As a result, the common factor in each title was changed. This change Is rather surprising, but not without precedent.
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Once the altered titles were broken into doublets, some additional changes took place. If a letter from the key word appeared in any doublet, the other letter in the doublet advanced 1 letter in the alphabet. In the event the other letter was a “Z”, then the “Z” became an “A”. If both letters were key word letters, then both letters were advanced one. Then, as explained before, the doublets were alphabetized.
Can you discover the original 12 titles and the nature of the transformations?
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EO EW FM HS SB SY
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EO GO LE MM NJ ON ON TE
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IE IT MB ND NF NT OT SM TI
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BN FS HE IO JN NG NJ RA SW UR WU
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AO CP LE NO PI PR QI SN TN
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AO FM FN GA GR IO ND OW PM SN TH YZ
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AT AZ BS CI DO EE NN RH SO TA XI
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BD IE IH MB NB NO OC QL TA UV
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ET ET EW MJ NG SJ
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CL DS EC FB GR IP MB NG PM SF TA TE TH TU WE
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AC AV BM BN FS GN OE ON PC TS WI
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AO CI CL CU EO II IO NG