cccc cccf cccl cccu ccee ccel ccfc ccff ccfl cclc ccoc ccrc ccre ccrf ccrl ccuc cec- cece ceco ceec ceel cef- cefc cel- celc cele celf cell celo ceol ceor ceou cer- cerc cere cerf cerl cero cfcf cfcl cfco cffr cfor cfre clec clee clef cleo cler cleu cloe clof cloo clor clou clro clue coce coco cocu coel cofc cofe coff col- cole coll colo colu coof cool cor- corc core corf corl coro corr coue coul cour crcc crce crcr cre- crec cree creo creu crfc crfl crlf croc croe crol croo cror crue cucc cuce cuer cufc cuff cufo culc cule cull culo cure curf curl curo curr e-cl eccc ecce eccl ecco ecef ecfc ecfr eco- ecol ecou ecrc ecrf ecrl ecrr ecru eeee eefe eefl eele eeoc eerc eero efco efeo efor elce elco elec elee elef eleo eler elfc elfe elle ello ellu elro elue elul eole eolo eore eorl ercc erce erec erel erer erfc erle erll eroc eroe erol eroo errc erre erro eruc erur euer eufc eule eur- eurc eure euro fccf fece feel feer fefc fefe feff fefo fele felf fell felo feof ferc fere fero ferr feru ffcc ffee ffff ffrr flcl flee fler floc floe floo flor flou flue fluf fluo flur foce foco foer fofo folc fole foll folo folr foof fool for- fore forl foro forr foul four frcc free freo frfc froe frol frou frue fuc- fuel fufc fuff fufu fule full fulu fuor fur- fure furl furo furr lccc lcce lcer lcfc lcfr lcor lcrl le-u lece leco leef leel leer lefe leff lele lell lelo lelu leoc leof leor leou lerc lere lero leuc leur lfcc llcc llef lleu lllc llll lloc lloo locc loce loco locu loeu lofe loff lole loll lolo looc looe loof lool loor lore loro loue loul lour louu lrfc lroc lrrc lrrr luce luef luer lufe luff lufu lule lull lulu lure o-eo occc oce ocee ocef oclc ocre ocrl ocro ocrr ocul ocur oec- oecc oeec oele oere oeuf ofcl ofcr ofer off- offc offe offo offr offu ofor ofre olcc ole- olef oleo oler olfe olle ollo olof olor olur oocr ooer ooff oolo oooo oore orce orco ore- orec orel oreo orer orfe orff orfu orle orlo orlu oro- oroe orof oror orro oucc ouer oufc oufe ouff oule oulu our- oure ouro ouu- rccc rcfc rcle recc rece recr recu reef reel refe reff refl refr refu rele rell relo reof reol reou rere rero reru reue reuf reul reuu rfef rffc rffl rlee rlef rleu rocc roce roco roel roer rofc rofe roff rofl rofo role rolf roll rolo roof rool roor rorc rore roro roru roue rouf roul rrfc rrle rrrr ruce ruel ruer rufc rufe ruff rufo rule rull rulo rurc rure ruro ruru ucel ucrc uele uell ufcu ufel ufer uffe ulcc ulco ulee uleo ulfe ulle ullo ullr ulo- uloc ulul uocc uofl uofo uolc uor- uore ure- urfe urff urle uro- urol uroo urre urur uulu uuoc uuuu