Find words starting with U

On WordMeanings.org we have 4821 words and phrases starting with first letter U. Reduce this number by choosing first two letters of the word:

U
(1)     U-
(9)     UA
(1)     UB
(15)     UC
(3)     UD
(8)     UF
(2)     UG
(18)     UH
(3)     UI
(6)     UK
(8)     UL
(140)     UM
(85)     UN
(3758)     UO
(1)     UP
(261)     UR
(296)     US
(87)     UT
(84)     UV
(20)     UW
(1)     UX
(8)     UZ
(6)    

In our word database, we found letter B followed by 23 characters.