UK; 30,29;
UNDER; 28,9,11,4;
UNDERLYING; 4;
UNDIRECTED; 6,25,14,11;
UNICOR; 30;
UNIFORM; 28,10,8;
UNITED; 23,22;
UNITS; 15,10;
UNIVERSITY; 30;
UNLIKE; 10,7;
UNSUCCESSFUL; 26,25;
UNTIL; 28;
UNTRANSFORMED; 6;
UP; 14,10;
UPDATED; 3;
UPDATES; 3;
UPPER; 28,27,26,25;
URBAN; 30;
UROPHASIANUS; 22;
US; 29,19,8;
USA; 30;
USABLE; 25;
USE; 29,25,2,28,26,15,8,27,10,6,5,4,31,30,20,14,13,11,3;
USED; 15,11,14,20,17,4,9,8,7,6,30,29,27,26,25,23,22,21,13,12,10,5;
USEFUL; 17,15,10;
USER; 15,12,29,4;
USERS; 30,16,15,14,12,6,4,1;
USES; 3,10;
USING; 30,25,17,11,15,27,8,4,29,26,21,14,10;
USUALLY; 15,1;
