refr reft refu reha rehe rehi reht reia reif reii reir reit reiu reof reot reou rera rere reri rero rert reru reta rete reth reti reto retr rett reue reuf reut reuu rfae rfef rhae rhau rhea rhee rheo rhet rhio rhoa rhoh rhue riaa riah riai riat riau rief rier riet rieu rifa rife riff rift rifu riha riho riht riia riif riot riou rire riri rita rite rith riti rito ritt ritu riue roaf roar roat roea roer roet rofe roff rofo roha rohe rohr rohu roia roif roio roir roit roiu roof rooi roor root rora rore rori roro rort roru rota rote roth roti roto rotr rott roua roue rouf rouh rout rrah rrat rrif rrrr rtai rtee rtei ruah ruer ruet rufa rufe ruff rufo ruft ruhe ruhh ruhi ruhr ruif ruit rura rure ruri ruro ruru ruta rute ruth ruti ruto rutt rutu taa- taaf taar taat taer tafa tafe taff tafi tafo taft taha tahe tahi taho tahr tahu taia taio tair tait taoa taor taou tara tare tarf tari taro tarr tart taru tata tate tath tati tato tatr tatt tatu taua taue taur taut tear teat teef teer teet teff tefi teft tehi teho tehr teia teie teir teiu teoh teor ter- tera tere terf teri tero terr teru teta tete teth teti teto tetr tett tetu teut tfae tfot thaa thae thai thao thar that thau the- thea thee thef thei theo ther thet theu thi- thia thie thif thio thir thoe thof thoo thor thot thou thra thre thri thro thru thtr thue thur tiaa tiaf tiao tiar tie- tiea tiee tief tiei tieo tier tiet tifa tiff tifo tift tiht tihu tiit tiiu tiou tira tire tiri tiro tirr tiru tita tite tith titi tito titt titu toat toau toea toee toeh toei toer toet tofa toff tofi tofo toft tofu tohi toho tohu toie toit tooa toof tooh toor toot tora tore torf tori toro torr tort toru tota tote toth toti toto totr tott touh toui tour tout traa trae traf trai trao trat trau tre- trea tree tref trei treo tret treu trfr tri- tria trie trif trio trit troa troe troi troo trot trou trra trte trtr true trut truu tteo tter ttfa ttff ttoe tttt tuae tuao tuar tuat tuei tuer tuet tufa tufe tuff tufi tufo tuft tufu tuht tuhu tuit tuiu tuor tura ture turf turi turo turr turt turu tuta tute tuti tuto tutt tutu tuuo u-ie uafa uair uart uaru uata uath uatu uaua uefa ueir ufer uffa uffe ufra uher uhoh uhta uhti uhuh uira uirr uofa uofo uor- uore urai urao urat urau ure- urea ureh uret urfa urfe urff urfi urft urho uria urie urif uriu uro- uroa uroo urra urre urrh urri urte urth urur urut utah utai utau uter utfo utha uthe utia utor utri utti utto uttu uuri uuta uutf uuuu