def random_password

      c = %w( b c d f g h j k l m n p qu r s t v w x z ) +
      %w( ch cr fr nd ng nk nt ph pr rd sh sl sp st th tr )
      v = %w( a e i o u y )
      f, r = true, ''

      6.times do
        r << ( f ? c[ rand * c.size ] : v[ rand * v.size ] )
        f = !f
      end

      2.times do
        r << ( rand( 9 ) + 1 ).to_s

      end
      r
    end