delete words by Defenestrator

S=open('/dev/fd/0')
w=S.next()[:-1];s=' '*len(w)
exec"%s[%s%sS)]):print%s,"%(("for r in zip(*","''.join(r).replace(w,s).replace(w[::-1],s)")*2)

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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