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  1. or download this
       reverseWords =: (,' '&,)&:>/@:|.@:;:
   reverseWords '  one   two three four    '
four three two one
  2. or download this
       reverseWord1 =: [:(,' '&,)&:>/@:|.@:-.&a:e.&' ^'<@}.;.1]
   reverseWord1 '  one   two three^four    '
four three two one
  3. or download this
       reverseWord2 =: [:}.@;@|.e.&' ^'<@(' '&,@}.`(0$])@.(2>#));.1]
   reverseWord2 '  one   two three^four    '
four three two one