eeee eele eero eete eetu eiei eier eile eiou eire eiti eito eitr elee eleo eler elet elie elil elio elit elle elli ello ellu eloi elro elte elto elue elui elul eoir eole eoli eolo eore eori eorl eoto erei erel erer eret erie eril erio erit eriu erle erli erll eroe eroi erol eroo erre erro ertl ertu erur etee etel eter etio etoe etre etro ette etti etto ettu etui euer eule euoi eur- eure euro eurt ieet ieie ieio iele iere ieri iett iiie iiii iiio iiit iioi iioo iitr iitt ile- ileo iler ilet ilie ilio ilir ilit ill- ille illi illo illt iloo ilot ilre ilut ioee ioel ioii ioio ioit iole iolo iooi iooo iore iori iote ioto iree irel irer iri- irie iril irio irre irri irte irti irul itel iter itet itie itil itll itoi itol itoo itor itou itri itto itur iuel iuiu le-u leel leer leet leie leil leio leir leit lele leli lell lelo lelu leoi leor leou lere lero lert lete leti leto lett leur liel lier liet lieu liii liir lile lili lill lilo lilt lilu lio- lior lire liri lirl liro lirr lirt liru lite liti litl lito litr litt litu liue liut llet lleu llll lloo loei loeu loir loit loiu lole loli loll lolo looe lool loor loot lore lori loro lote loti lotl loto lotr lott loue loui loul lour lout louu lroi lrrr ltee lttr luer luit lule luli lull lulu lure luri lurt lute luti o-eo oeil oele oere oeti oier oiii oire oirt oiti ole- olei oleo oler olet olie olio olit olle olli ollo olor olot oltu olur ooer oolo oooo oore oort ore- orel oreo orer ori- orie oril orio orit orle orlo orlu oro- oroe oror orot orri orro orte orto otee oter otit oto- otoe otoo otor otre otro otte otti otto ottu otur ouer ouie ouii ouir ouit oule oulu our- oure ouro ourt out- oute outi outo ouu- reel reet reii reil reir reit reiu rele rell relo relt reol reot reou rere reri rero rert reru rete reti reto retr rett reue reul reut reuu riel rier riet rieu rile rill rilo rilu riol riot riou rire riri rite riti ritl rito ritt ritu riue rlee rleu roel roer roet roil roio roir roit roiu role roll rolo rolt rooi rool roor root rore rori roro rort roru rote roti rotl roto rotr rott roue roul rout rrle rrrr rtee rtei rtle rtlt ruel ruer ruet ruit rule rull rulo rure ruri ruro ruru rute ruti rutl ruto rutt rutu teel teer teet teie teil teir teiu tel- tele teli tell telo telt telu teor ter- tere teri tero terr teru tete teti teto tetr tett tetu teut tie- tiee tiei tiel tieo tier tiet tiit tiiu tile till tilo tilr tilt tiou tire tiri tirl tiro tirr tiru tite titi tito titt titu tlli toee toei toer toet toie toil toit tol- tole toli toll tolo tolt tolu tool toor toot tore tori toro torr tort toru tote toti toto totr tott toui toul tour tout tre- tree trei treo tret treu tri- trie tril trio trit troe troi troo trot trou trte trtr true trut truu tteo tter ttoe tttt ttul tuei tuel tuer tuet tuil tuit tuiu tule tuli tull tulo tulu tuor ture turi turo turr turt turu tute tuti tutl tuto tutt tutu tuuo u-ie ueir uele ueli uell uile uirr ulee uleo ulie ulle ulli ullo ullr ulo- ulti ulto ultt ulul uor- uore ure- uret urie uriu urle uro- urol uroo urre urri urte urur urut utel uter util utor utri utti utto uttu uulu uuri uuuu