with_blank.rb~

require 'trie'
def key_to_word(key)
      a = key.length
      key[a/2+1..a-1]
end
trie = Trie.read("word_trie")
puts "loaded"
all_letters = %w[a ą b c ć d e ę f g h i j k l ł m n ń o ó p r s ś t u w y z ź ż]
letters = "abcdefghi?".gsub(/\s+/, "").chars.sort
keys = (2..letters.length).flat_map{ |n| letters.combination(n).map(&:join).map{|n| n = n.length.to_s + n.chars.sort.join } }.uniq
my_keys = keys
my_keys = keys.map do |k| 
  if k.include? "?"
    my_keys.push(all_letters.map{ |l| k.gsub("?", l) })
  end
end
my_keys = my_keys.flatten.compact.map { |word| word.chars.sort.join }.uniq
my_keys.delete_if { |w| w.include? "?" }
puts my_keys.size

#words = []
#my_keys.each { |key| words.push(trie.children(key)) if trie.has_children?(key) }
#words.flatten!.map!{ |w| key_to_word(w) } unless words.empty?
#print words
#puts words.size