u-turn ugging uguisu uh-huh uhhuhs uighur uigurs um-hum uminum umirim umming umping ungirt ungrip ungui- unguis unguri unh-uh unhigh unhung unhunh unhurt unight unigis unigun unimin uniphi unisun unisur unisus unmist unning unnitt unpins unrigs unring unrips unrugs unrung unruth unship unshut unsign unsing unsins unsmug unspin unspit unspun unsuit unsung unsuni unsuri unting untint untrig untrim untrum unturn up-put up-sun upgush uphigh uphung upinit upping uppish uprist uprush upshur upshut upspin upstir upsurt upturn urging uritis urning urpish urring ursini ursins urturn urughu uruppu urushi ushing usigni usings usiris usmint ussuri ustung ustupu usturi usurps uthiru utigur utmish utsumi utting uttini uturns