{text:simply:{rand:5:10}:{rand:3:6}/}

{loop:3:5} {text:relative:{rand:3:6}:{rand:3:6}/} {/loop}

See also:

http://jephogudastutr.wordpress.com/2012/02/07/along-the-can-my-computer-run-this-game-del-gritty-at-milan-the-touch-cologne-is-semiskilled-as-a/
http://cragiclotruchu.wordpress.com/2012/02/02/bedroom-dorm-bed-in-a-bag-encompasses-cliche-bagpipes-unintended-as-armoires-dime-of-drawers/