lock·step 
(lŏkstĕp′)
(lŏkstĕp′)n.
1. A way of marching in which the marchers follow each other as closely as possible.
2. A standardized procedure that is closely, often mindlessly followed.
- up (one's) sleeve
- up one's sleeve
- upon hands
- upon my word
- upon one's hands
- upon request
- upon the heels of
- upper
- upper atmosphere
- Upper Avon
- Upper Avon
- upper bound
- Upper California
- Upper California
- Upper Canada
- Upper Carboniferous
- uppercase
- upper class
- upper-class
- upperclassman
- upper crust
- upper-crust
- uppercut
- Upper Egypt
- upper GI series