There is a total of 30864 clues beginning with u
- UFO crew
 - UFO crew member
 - UFO crew, supposedly
 - UFO crewman
 - UFO crewmen
 - UFO feature, maybe
 - UFO fliers
 - UFO occupants
 - UFO pilot
 - UFO pilot, possibly
 - UFO pilots
 - UFO pilots, for short
 - UFO shape
 - UFO shapes, traditionally
 - UFO's crew
 - UFW's Chavez
 - UK
 - UK "Dear God" art-rockers
 - UK 'Inc'
 - UK air arm
 - UK air branch
 - UK airmen
 - UK ambient house band
 - UK ancestor (var)
 - UK award
 - UK award bestowed by the queen
 - UK award for valor
 - UK award for women
 - UK awards
 - UK band All About ___
 - UK band Eyeless In ___
 - UK band formerly known as Metal Militia
 - UK band of Star Wars fans?
 - UK band that likes sweatshirts?
 - UK band The Lovely ___
 - UK bathrooms
 - UK bestowal
 - UK biscuit brand
 - UK black metal band
 - UK broadcaster
 - UK business
 - UK business abbr
 - UK business follower
 - UK business letters
 - UK business name ender
 - UK carbine
 - UK carrier of old
 - UK carrier, once
 - UK cents
 - UK channel
 - UK channel nickname, with “the”
 - UK chillout pioneers
 - UK clock setting
 - UK coin
 - UK coin phased out in 1984
 - UK component
 - UK continent
 - UK counterespionage agcy
 - UK country
 - UK court types
 - UK decoration
 - UK decoration
 - UK decoration: Abbr
 - UK decorations
 - UK defenders
 - UK defense arm
 - UK defense gp
 - UK defense org
 - UK denizen
 - UK distance measures
 - UK distances
 - UK division
 - UK election winners
 - UK electronic band
 - UK endlessly, endlessly sampling retro group with only one member (4,3)
 - UK entertainment-award org
 - UK equivalent of an Oscar
 - UK equivalent to an Oscar
 - UK export
 - UK facilities
 - UK festival spot: ___ of Wight
 - UK fighter pilots' gp
 - UK fliers
 - UK flyers
 - UK flying aces' org
 - UK flying corps
 - UK flying group
 - UK flying grp
 - UK flying squad
 - UK foe
 - UK foe of 1982
 - UK food cans
 - UK gallery
 - UK gentry
 - UK governing body
 - UK group, founded in 1910
 - UK heads
 - UK highway connecting London and Dover
 - UK honor
 - UK honorees