cccc cccf cccl cccu ccee ccel ccfc ccff ccfl cclc ccrc ccre ccrf ccrl ccuc cec- cece ceec ceel cef- cefc cel- celc cele celf cell cer- cerc cere cerf cerl cfcf cfcl cffr cfre clec clee clef cler cleu clue crcc crce crcr cre- crec cree creu crfc crfl crlf crue cucc cuce cuer cufc cuff culc cule cull cure curf curl curr e-cl eccc ecce eccl ecef ecfc ecfr ecrc ecrf ecrl ecrr ecru eeee eefe eefl eele eerc elce elec elee elef eler elfc elfe elle ellu elue elul ercc erce erec erel erer erfc erle erll errc erre eruc erur euer eufc eule eur- eurc eure fccf fece feel feer fefc fefe feff fele felf fell ferc fere ferr feru ffcc ffee ffff ffrr flcl flee fler flue fluf flur frcc free frfc frue fuc- fuel fufc fuff fufu fule full fulu fur- fure furl furr lccc lcce lcer lcfc lcfr lcrl le-u lece leef leel leer lefe leff lele lell lelu lerc lere leuc leur lfcc llcc llef lleu lllc llll lrfc lrrc lrrr luce luef luer lufe luff lufu lule lull lulu lure rccc rcfc rcle recc rece recr recu reef reel refe reff refl refr refu rele rell rere reru reue reuf reul reuu rfef rffc rffl rlee rlef rleu rrfc rrle rrrr ruce ruel ruer rufc rufe ruff rule rull rurc rure ruru ucel ucrc uele uell ufcu ufel ufer uffe ulcc ulee ulfe ulle ullr ulul ure- urfe urff urle urre urur uulu uuuu