The natural order of descriptors for nouns:

1. quantity
2. opinion
3. size
4. age
5. shape
6. color
7. origin
8. material
9. purpose

Currently it would take 6 years to crack a 12-character password consisting only of upper and lowercase letters.

Thats 52^12 = 390,877,006,486,250,192,896 combinations.

If you have a pool of 2,500 words, you could approximate the same entropy with six words: 244,140,625,000,000,000,000

Add a random # from 1-20 and you get: 4,882,812,500,000,000,000,000

Could also use form: descriptor noun verb number descriptor descriptor noun

Arbitrary.appointments.approach.12.approximate.artistic.arrivals

superhuman lawngrasses publicize 9 tolerable icebound tempuras