cccc cccf cccl cccu ccee ccel ccfc ccff ccfl cclc ccoc ccow ccrc ccre ccrf ccrl ccrt cctc cctl cctt ccuc ccut cec- cece ceco cect ceec ceel cef- cefc cel- celc cele celf cell celo celt ceol ceor ceou cer- cerc cere cerf cerl cero cert cet- cete ceto cewe cfcf cfcl cfco cfcw cffr cfor cfre cfrt cfrw cftc cfte cftl cftr cfwc clec clee clef cleo cler clet cleu clew cloe clof cloo clor clot clou clow clro cltc clue clut coce coco coct cocu coel cofc cofe coff coft col- cole coll colo colt colu coof cool coot cor- corc core corf corl coro corr cort cotc cote coto cott cotu cotw coue coul cour cout cowe cowl cowt crcc crce crcr cre- crec cree creo cret creu crew crfc crfl crlf croc croe crol croo cror crot crow crrt crtc crtf crtl crue crut ctcf ctec ctfc ctfo ctle ctol ctor ctot ctrc ctrl cttw cucc cuce cuer cufc cuff cufo culc cule cull culo cult cure curf curl curo curr curt cut- cutc cute cuto cutt cwer cwfc cwot cwrw e-cl eccc ecce eccl ecco ecct ecef ecfc ecfr eclt eco- ecol ecot ecou ecrc ecrf ecrl ecrr ecru ect- ectc ectf ecto eeee eefe eefl eele eeoc eerc eero eetc eete eetu efco efeo efet efor eft- eftu elce elco elec elee elef eleo eler elet elfc elfe elft elle ello ellu elro elte elto elue elul eole eolo eore eorl eotc eoto eotw ercc erce erec erel erer eret erew erfc erft erle erll eroc eroe erol eroo errc erre erro ertl ertu eruc erur erwt etcc etco etec etee etel eter etfc etfe etoe etre etro ette etto ettu euer eufc eule eur- eurc eure euro eurt euwe ewer ewew ewft ewle ewre ewte fccf fcot fcto fece fect feel feer feet fefc fefe feff fefo fele felf fell felo felt feof ferc fere fero ferr fert feru fete fetr fett fetu fewe fewl fewt ffcc ffee ffff ffrr fftf fftw flcl flee fler flet flew floc floe floo flor flot flou flow flue fluf fluo flur flwe foce foco foer fofo folc fole foll folo folr folt foof fool foot for- fore forl foro forr fort fote foto fott fotw foul four fout fowe fowl frcc free freo fret frew frfc froe frol frot frou frow frue ft-c ft-l fter ftfc fttw ftuc ftwo fuc- fuct fuel fuet fufc fuff fufu fule full fulu fuor fur- fure furl furo furr furt fute futo futu fwcc fwfc lccc lcce lcer lcfc lcfr lcor lcrl lctl lcto le-u lece leco lect leef leel leer leet lefe leff left lele lell lelo lelu leoc leof leor leou lerc lere lero lert lete leto lett leuc leur lewe lfcc llcc llef llet lleu llew lllc llll lloc lloo locc loce loco locu loeu loew lofe loff loft lole loll lolo looc looe loof lool loor loot lore loro lote lotl loto lotr lott loue loul lour lout louu louw lowe lowl lowr lowt lowu loww lrfc lroc lrrc lrrr ltcc ltee ltfc lttc lttr ltuc luce luef luer lufe luff luft lufu lule lull lulu lure lurt lute luwo luwr luwu lwfc lwoo lwow o-eo occc occt oce ocee ocef ocet oclc ocre ocrl ocro ocrr oct- octe octo ocul ocur oec- oecc oeec oele oere oeuf ofcl ofcr ofer off- offc offe offo offr offu ofor ofre olcc ole- olef oleo oler olet olfe olle ollo olof olor olot oltu olur oocr ooer ooff oolo oooo oore oort ootw orce orco ore- orec orel oreo orer orfe orff orfu orle orlo orlu oro- oroe orof oror orot orro ortc orte orto orwe orwo otcl otee oter otfc oto- otoe otof otoo otor otow otre otro otte otto ottu otur otwo oucc ouer oufc oufe ouff oule oulu our- oure ouro ourt out- oute outo ouu- ouwe owel ower owfe owlt owoe owow owre owt- owte owtt owul owur rccc rcet rcfc rcle rctc recc rece recr rect recu reef reel reet refe reff refl refr reft refu rele rell relo relt reof reol reot reou rere rero rert reru rete reto retr rett reue reuf reul reut reuu rewe rewl rfef rffc rffl rftc rlee rlef rleu rlwc rocc roce roco roel roer roet rofc rofe roff rofl rofo role rolf roll rolo rolt roof rool roor root rorc rore roro rort roru rotc rote rotl roto rotr rott roue rouf roul rout rowe rowf rowl rowr rowt roww rrfc rrle rrrr rtcc rtce rtee rtfc rtle rtlt ruce ruct ruel ruer ruet rufc rufe ruff rufo ruft rule rull rulo rurc rure ruro ruru rute rutl ruto rutt rutu ruwe tccc tccu tcfc tctc tcul tecl teco tecr tect teec teef teel teer teet tefc teff tefl teft tel- telc tele tell telo telt telu teor teow ter- terc tere terf tero terr teru tete teto tetr tett tetu teut tewo tfcu tfec tfot tftc tlco toce toco toee toer toet toff tofo toft tofu tol- tole toll tolo tolt tolu toof tool toor toot torc tore torf toro torr tort toru totc tote toto totr tott toul tour tout towe towl trcc trcl tre- trec tree tref treo tret treu trew trfc trfr troc troe troo trot trou trow trtc trte trtr truc true trut truu trwe tteo tter ttfc ttff ttoe tttt ttul tucc tuco tuel tuer tuet tufc tufe tuff tufo tuft tufu tule tull tulo tulu tuor turc ture turf turo turr turt turu tute tutl tuto tutt tutu tuuo twee twer two- twoc twof twol twoo twot ucel ucrc ucut uele uell uewe ufcu ufcw ufel ufer uffe ufwc ulcc ulco ulee uleo ulfe ulft ulle ullo ullr ulo- uloc ulow ulto ultt ulul ulwe uocc uofl uofo uofw uolc uor- uore ure- uret urfe urff urft urle uro- urol uroo urre urte urur urut utec utel uter utfo utor utto uttu utwe utwo uulu uuoc uutf