| Text | Length |
| UFO personnel | 13 |
| UFO photo, perhaps | 18 |
| UFO pilots, maybe | 17 |
| UFO pilots, perhaps | 19 |
| UFO shape, often | 16 |
| UFO sightings | 13 |
| UFO's crew | 14 |
| UFO's origin | 16 |
| UFO-story genre | 15 |
| UFO-tracking org. | 17 |
| Ufology center | 14 |
| UFOs, sometimes | 15 |
| UFU pilots, maybe | 17 |
| Uganda airport | 14 |
| Uganda native | 13 |
| Uganda neighbor | 15 |
| Uganda people | 13 |
| Uganda tyrant | 13 |
| Uganda's Amin | 17 |
| Ugandan baddie | 14 |
| Ugandan city | 12 |
| Ugandan despot | 14 |
| Ugandan despot Amin | 19 |
| Ugandan dictator | 16 |
| Ugandan exile | 13 |
| Ugandan exile Amin | 18 |
| Ugandan leader | 14 |
| Ugandan name | 12 |
| Ugandan outcast | 15 |
| Ugandan people | 14 |
| Ugandan pest | 12 |
| Ugandan pests | 13 |
| Ugandan refugee | 15 |
| Ugandan river | 13 |
| Ugandan tyrant | 14 |
| Ugandan tyrant Amin | 19 |
| Ugg boot lining | 15 |
| Uggams or Caron | 15 |
| Uggs fillers | 12 |
| Ugh-inducing | 12 |
| Ugh-producing | 13 |
| Ugliness exemplar | 17 |
| Ugly alter ego | 14 |
| Ugly building | 13 |
| Ugly buildup | 12 |
| Ugly comparison | 15 |
| Ugly customer | 13 |
| Ugly duckling adult | 19 |
| Ugly emotion | 12 |
| Ugly encounter | 14 |
| Ugly forecast | 13 |
| Ugly mob scenes | 15 |
| Ugly monster | 12 |
| Ugly old woman | 14 |
| Ugly pond film | 14 |
| Ugly put-down | 13 |
| Ugly putdown | 12 |
| Ugly situation | 14 |
| Ugly statue, e.g. | 17 |
| Ugly Tolkien beast | 18 |
| Ugly weather | 12 |
| Ugly weather matter | 19 |
| Ugly, as a remark | 17 |
| Ugly, in Lugo | 13 |
| Ugly-weather factor | 19 |
| Uh's cousins | 16 |
| Uh-huh's | 12 |
| Uh-uh and nay | 13 |
| Uh-uh and nix | 13 |
| Uh-uh, in Russian | 17 |
| Uh-uh, in Ufa | 13 |
| Uhlan exercise | 14 |
| Uhlan weapons | 13 |
| Uhlan's gear | 16 |
| Uhlan's weapon | 18 |
| Uhlan's weapons | 19 |
| Uhura portrayer | 15 |
| Uhuru Park locale | 17 |
| Uinta tribesman | 15 |
| Uintah-Ouray tribe | 18 |
| Uitlander foe | 13 |
| UK adoption source | 18 |
| UK bathrooms | 12 |
| UK broadcaster | 14 |
| UK company ending | 17 |
| UK decoration | 13 |
| UK defense arm | 14 |
| UK defense gp. | 14 |
| UK defense group | 16 |
| UK election winners | 19 |
| UK flying corps | 15 |
| UK humanities deg. | 18 |
| UK lawmakers | 12 |
| UK legislators | 14 |
| UK mil. award | 13 |
| UK military awards | 18 |
| UK military branch | 18 |
| UK military pilots | 18 |
| UK music label | 14 |
| UK pol. party | 13 |
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