- setup:    0==system("aspell -d en dump master | aspell -l en expand > words.txt");
  cleanup:
  args:     binary
  input:
  output:   |
            |binary
            |brainy
- setup:
  cleanup:
  args:     live
  input:
  output:   |
            |evil
            |levi
            |live
            |veil
            |vile
- setup:
  cleanup:  unlink "words.txt";
  args:     casper
  input:
  output:   |
            |capers
            |crapes
            |parsec
            |pacers
            |recaps
            |scrape
            |spacer