offe offo offr offu ofor ofre okcu oker oket okko oklo okok okol okor okot okre okro okto okul okur olcc ole- olef oleo oler olet olfe olle ollo olof olor olot oltu olur oocr ooer ooff ooku oolo oooo oore oort orce orco ore- orec orek orel oreo orer orfe orff orfu orke orko orle orlo orlu oro- oroe orof orok oror orot orro ortc orte orto otcl otee oter otfc oto- otoe otof otok otoo otor otre otro otte otto ottu otur oucc ouer oufc oufe ouff oule oulk oulu our- oure ouro ourt out- oute outo ouu- rccc rcet rcfc rcle rctc recc rece reck recr rect recu reef reek reel reet refe reff refl refr reft refu reke reko rekt rele rell relo relt reof reol reot reou rere rero rert reru rete reto retr rett reue reuf reuk reul reut reuu rfef rffc rffl rftc rkkf rlee rlef rleu rocc roce rock roco roel roer roet rofc rofe roff rofl rofo roke rokk roko rokr roku role rolf rolk roll rolo rolt roof rook rool roor root rorc rore rork roro rort roru rotc rote rotk rotl roto rotr rott roue rouf rouk roul rout rrfc rrle rrrr rtcc rtce rtee rtfc rtle rtlt ruce ruck ruct ruel ruer ruet rufc rufe ruff rufo ruft ruke rukk ruku rule rulk rull rulo ruok rurc rure ruro ruru rute rutl ruto rutt rutu tccc tccu tcfc tctc tcul teck tecl teco tecr tect teec teef teek teel teer teet tefc teff tefl teft teke tel- telc tele tell telo telt telu teok teor ter- terc tere terf terk tero terr teru tete teto tetr tett tetu teuk teut tfcu tfec tfot tftc tkof tkol tlco toce tock toco toee toek toer toet toff tofo toft tofu toke toko toku tol- tole tolk toll tolo tolt tolu toof took tool toor toot torc tore torf tork toro torr tort toru totc tote toto totr tott touk toul tour tout trcc trcl tre- trec tree tref trek treo tret treu trfc trfr troc troe troo trot trou trtc trte trtr truc true truk trut truu tteo tter ttfc ttff ttoe tttt ttul tucc tuck tuco tuel tuer tuet tufc tufe tuff tufo tuft tufu tuke tuko tule tulk tull tulo tulu tuor turc ture turf turk turo turr turt turu tute tutl tuto tutt tutu tuuo ucel ucrc ucut uele uell ufcu ufel ufer uffe ufuk ukcc ukek ukeu ukko ukok ukrc ukur ulcc ulco ulee ulek uleo ulfe ulft ulle ullo ullr ulo- uloc ulto ultt uluk ulul uocc uofl uofo uoke uolc uor- uore ure- uret urfe urff urft urke urle uro- urok urol uroo urre urte uruk urur urut utec utel uter utfo utor utto uttu uulu uuoc uutf uuuu