lieu, thou, tutu
four (4) letter word:yoyo.seven (7) letter word:yatobyo.
Examples of words that end with the letter U are:adieubandeaubayoubeaubureaucaribouchapeauchateauecruemuflugnuguruhaikuHonolulujujitsukudzumenumilieumuumuuplateautableauthoutiramisutofututuyou
Some four letter words with second letter U and fourth letter O are:autoeurojudokudoouzo
Haul and laud are four letter words. The 2nd letter is a. The 3rd letter is u.
Some four letter words that start with U are:uglyulnaundountouponureaurgeused
Four letter words that begin with the letter u:uglyumpsundounituntouponurgeurnsuseduseruses
punt ugly
UdonUdosUghsUglyUkesUlanUlnaUlusUlvaUmboUmpsUnaiUnauUnbeUnciUncoUndeUndoUndyUnitUntoUpasUpbyUpdoUponUrbsUrdsUreaUrgeUricUrnsUrpsUrsaUrusUsedUserUsesUtasUtesUvea
Some four letter words with a second letter U are:auraburncurbcuredulldumbeurofundguruhugejumpjunklumpluremuchmutenudeoustpullpurepushrulerumpruinruserushrustsuchsurftune
Punt
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern -UZU. That is, four letter words with 2nd letter U and 3rd letter Z and 4th letter U. In alphabetical order, they are: kuzu yuzu
three (3) letter word: Utu. ulu. four (4) letter word: unau. Urdu. seven (7) letter word: umbundu.