otoo otor otre otro otte otti otto ottu otur oucc ouch ouer ouie ouii ouir ouit oule oulu our- oure ouro ourt out- oute outh outi outo ouu- rccc rcet rcic rcle rctc rcti recc rece rech reci recr rect recu reel reet rehe rehi reht reii reil reir reit reiu rele rell relo relt reol reot reou rere reri rero rert reru rete reth reti reto retr rett reue reul reut reuu rhce rhee rheo rhet rhio rhli rhoc rhoh rhue ricc rice rich rico rict riel rier riet rieu riho riht rile rill rilo rilu riol riot riou rire riri rite rith riti ritl rito ritt ritu riue rlee rleu rocc roce roch roco roel roer roet rohe rohl rohr rohu roil roio roir roit roiu role roll rolo rolt rooi rool roor root rorc rore rori roro rort roru rotc rote roth roti rotl roto rotr rott roue rouh roul rout rrle rrrr rtcc rtce rtee rtei rtle rtlt ruce ruch ruci ruct ruel ruer ruet ruhe ruhh ruhi ruhl ruhr ruit rule rull rulo rurc rure ruri ruro ruru rute ruth ruti rutl ruto rutt rutu tccc tccu tch- tche tchh tchi tcho tchr tchu tctc tcul tech tecl teco tecr tect teec teel teer teet tehi teho tehr teic teie teil teir teiu tel- telc tele teli tell telo telt telu teoh teor ter- terc tere teri tero terr teru tete teth teti teto tetr tett tetu teut thch the- thec thee thei thel theo ther thet theu thi- thic thie thil thio thir thoe thoo thor thot thou thre thri thro thru thtr thue thul thur ticc tice tich tico tie- tiee tiei tiel tieo tier tiet tiht tihu tiit tiiu tile tilh till tilo tilr tilt tiou tire tiri tirl tiro tirr tiru titc tite tith titi tito titt titu tlco tlli toce toch toci toco toee toeh toei toer toet tohi toho tohu toie toil toit tol- tole toli toll tolo tolt tolu tooh tool toor toot torc tore tori toro torr tort toru totc tote toth toti toto totr tott touh toui toul tour tout trcc trcl tre- trec tree trei treo tret treu tri- tric trie tril trio trit troc troe troi troo trot trou trtc trte trtr truc true trut truu tteo tter ttoe tttt ttul tucc tuch tuco tuei tuel tuer tuet tuht tuhu tuil tuit tuiu tule tuli tull tulo tulu tuor turc ture turi turo turr turt turu tute tuti tutl tuto tutt tutu tuuo u-ie ucci ucel uche uchi ucho ucil ucio ucrc ucut ueir uele ueli uell uhcl uher uhle uhoh uhti uhuh uile uirr ulcc ulch ulco ulee uleo ulic ulie ulle ulli ullo ullr ulo- uloc ulti ulto ultt ulul uocc uolc uor- uore urch urci ure- ureh uret urho uric urie uriu urle uro- urol uroo urre urrh urri urte urth urur urut utec utel uter uthe util utor utri utti utto uttu uulu uuoc uuri uuuu