cccc cccf cccl ccee ccel ccfc ccff ccfl cclc ccoc ccrc ccre ccrf ccrl cec- cece ceco ceec ceel cef- cefc cel- celc cele celf cell celo ceol ceor cer- cerc cere cerf cerl cero cfcf cfcl cfco cffr cfor cfre clec clee clef cleo cler cloe clof cloo clor clro coce coco coel cofc cofe coff col- cole coll colo coof cool cor- corc core corf corl coro corr crcc crce crcr cre- crec cree creo crfc crfl crlf croc croe crol croo cror e-cl eccc ecce eccl ecco ecef ecfc ecfr eco- ecol ecrc ecrf ecrl ecrr eeee eefe eefl eele eeoc eerc eero efco efeo efor elce elco elec elee elef eleo eler elfc elfe elle ello elro eole eolo eore eorl ercc erce erec erel erer erfc erle erll eroc eroe erol eroo errc erre erro fccf fece feel feer fefc fefe feff fefo fele felf fell felo feof ferc fere fero ferr ffcc ffee ffff ffrr flcl flee fler floc floe floo flor foce foco foer fofo folc fole foll folo folr foof fool for- fore forl foro forr frcc free freo frfc froe frol lccc lcce lcer lcfc lcfr lcor lcrl lece leco leef leel leer lefe leff lele lell lelo leoc leof leor lerc lere lero lfcc llcc llef lllc llll lloc lloo locc loce loco lofe loff lole loll lolo looc looe loof lool loor lore loro lrfc lroc lrrc lrrr o-eo occc oce ocee ocef oclc ocre ocrl ocro ocrr oec- oecc oeec oele oere ofcl ofcr ofer off- offc offe offo offr ofor ofre olcc ole- olef oleo oler olfe olle ollo olof olor oocr ooer ooff oolo oooo oore orce orco ore- orec orel oreo orer orfe orff orle orlo oro- oroe orof oror orro rccc rcfc rcle recc rece recr reef reel refe reff refl refr rele rell relo reof reol rere rero rfef rffc rffl rlee rlef rocc roce roco roel roer rofc rofe roff rofl rofo role rolf roll rolo roof rool roor rorc rore roro rrfc rrle rrrr