gistfile1.rb

board = ["m", "w", "e", "t", "p", "e", "q", "i", "x", "a", "h", "v", "f", "f", "y", "j", "n", "l", "j", "h", "w", "c", "e", "s", "r"]

all_words = File.open('/usr/share/dict/words').readlines.map! { |line| line.strip.chomp }
valid_words = all_words.reject { |w| w =~ /[^#{board.join}]/ }

valid_words = valid_words.select do |w| 
  bool = true
  bool = false if w.size <= 2

  split_word = w.downcase.split('')

  split_word.each do |let|
    bool = false unless split_word.count(let) <= board.count(let)
  end if bool

  bool
end

p valid_words