tursa turse turss turst tursu turtu turua turul turut tusba tusca tusor tussa tutal tutee tutel tuteo tutle tutor tutta tutte tutto tutus tuula tuuru u-cee uacrr uaroo uasal ubacs ubata ubble uber- ubers uboat ubobo ubolt ubtao ucast uccel uccle ucell ucero ucles uclue ueles uesac ulala ulalu ulbra ulcer ulcot ulcus ulees ullal ullar ullas ullca ullet ulloa ullur ulose ulous ulser ulsta ultar ulteo ultra ultre ulula ululu uluru uolba uouee uraba uralo urals urare urasa urata urate urbar urbes urbos urcel urcos urea- ureae ureal ureas urelu ureo- urera urlar urola uroob uros urost urota urour urous urrao urras urrea ursae ursal ursas ursel ursua ursus urtea urtel urter urtlu urubu uruce urucu urutu us-sc usaas usabc usaee usall usara usars uscar uscoc useas usees usell usera users usesa usest useto uslar uslas uslta usora usour ussac ussat ussel usses ustal ustar uster ustoo ustou ustra ustur usual usuba usura usure usutu utara utebo uter- utero utole utota utro- utror utsab utsul uttar utter uttur utube uturu ututo uuuuu