andrew@birchbeer:~$ ruby test.rb
50000 random words of length 12 generated in 5.467550748 seconds
50000 random words of length 12 generated in 5.684237462 seconds
andrew@birchbeer:~$ ruby test.rb
50000 random words of length 12 generated in 5.995497647 seconds
50000 random words of length 12 generated in 5.456972188 seconds
andrew@birchbeer:~$ ruby test.rb
50000 random words of length 12 generated in 5.494065255 seconds
50000 random words of length 12 generated in 6.227513806 seconds