rctc rcti recc rece reci recm recr rect recu reef reem reet refe reff refi refr reft refu reif reii reim reir reit reiu reme remi remo reof reot reou rere reri rero rert reru rete reti reto retr rett reue reuf reut reuu rfef rfem rffc rfic rftc ricc rice rico rict rief riem rier riet rieu rife riff rift rifu riif rime rimi rimm rimo rimu riom riot riou rire riri rite riti rito ritt ritu riue rmif rmtu rocc roce roco roer roet rofc rofe roff rofo roif roio roir roit roiu rome romi romm romo roof rooi room roor root rorc rore rori roro rort roru rotc rote roti roto rotr rott roue rouf roum rout rrfc rrif rrmc rrrr rrum rtcc rtce rtcm rtee rtei rtfc rtfm rtmc rtmi ruce ruci ruct ruer ruet rufc rufe ruff rufo ruft ruif ruit rume rumi rumm rumo rumt rurc rure ruri ruro ruru rute ruti ruto rutt rutu t-mo tccc tccu tcfc tcom tctc teco tecr tect teec teef teem teer teet tefc teff tefi teft teic teie teim teir teiu teme temo temu teom teor ter- terc tere terf teri term tero terr teru tete teti teto tetr tett tetu teut tfcu tfec tfot tftc ticc tice tico tie- tiee tief tiei tieo tier tiet tiff tifo tift tiit tiiu time timi timm timo timu tiou tire tiri tiro tirr tiru titc tite titi tito titt titu tium tmcc tmcm tmou tmro tmtt toce toci toco toee toei toer toet toff tofi tofo toft tofu toie toit tome tomi tomm tomo tomt toof toom toor toot torc tore torf tori torm toro torr tort toru totc tote toti totm toto totr tott toui toum tour tout trcc tre- trec tree tref trei trem treo tret treu trfc trfm trfr tri- tric trie trif trim trio trit trmi trmu troc troe troi trom troo trot trou trtc trte trtr truc true trut truu tteo tter ttfc ttff ttim ttoe tttt tucc tuco tuei tuer tuet tufc tufe tuff tufi tufm tufo tuft tufu tuim tuit tuiu tume tumi tumu tuor turc ture turf turi turm turo turr turt turu tute tuti tuto tutt tutu tuum tuuo u-ie ucci ucio ucmc ucom ucrc ucut ueir ufcu ufer uffe uirr umec umer umet umff umit ummo umoe umor umri umut uocc uofm uofo uomo uor- uore urci ure- uret urfe urff urfi urft uric urie urif urim uriu urmi uro- urom uroo urre urri urte urum urur urut utec uter utfo utor utri utti utto uttu uuoc uuri uutf uuuu