twofur twohit twoish twoism twoout tworow tworun twotim twunts u-form u-turn uffish uh-huh uhhuhs uithof uitoto um-hum umhofo uminum umirim umonin umount umtiff unfirm unfist unfoot unform unh-uh unhoof unhost unhunh unhurt unifon unifor unimin unions unionu uniron unisom unison unisto unisun unisur unisus unitof unitor unmist unmoor unmown unnitt unosom unowns unroof unroot unruth unshot unshut unsins unsoft unsoot unsour unsown unstow unsuit unsuni unsuri untint untorn untown untrim untrow untrum unturf unturn unwins unwish unwist unwont unworn unwrit urform uri-on urino- urison uritis urmson ursini ursins ursons urturn urushi ushiro usinor usiris usmint ussuri ustion ustour ustowo ustron usturi uthiru uthorn utmish utmost utnoor utouth utroor utsumi uttini uturns utwith whiffs whirrs whisht whists whitin whomso whoosh whoots whorts whosht whosin whosis whosit whowon whuffo whuist whurts whusht wiffin wifish wihwin wiifit wimmin wimmis winish winmor winnow winout winrow winsit winson winsor winsum wintin winton wintun winwin wirfus wirths wirtin wishon wishto wismut wissit wistit wiston wistow within withit witoto witout witowo witson witsum wittin witton wittow wittum wittur wnorow woi-fm won-ho wonnot wonout wonsom wonton woohoo wooton woowoo worimi wormit wornin wornum woroni worowo worrit worrow worsts worsum worths worton wosith wostow wotsit wotton wottoo wrists writof wroith wronow wrouht wrr-fm wrusum wshout wsm-fm wsusom wu-sun wuffos wummon wuntho wurrow wursts wursum wurth