cccc cccl ccee ccel cclc ccoc ccrc ccre ccrl cec- cece ceco ceec ceel cel- celc cele cell celo ceol ceor cer- cerc cere cerl cero clec clee cleo cler cloe cloo clor clro coce coco coel col- cole coll colo cool cor- corc core corl coro corr crcc crce crcr cre- crec cree creo croc croe crol croo cror e-cl eccc ecce eccl ecco eco- ecol ecrc ecrl ecrr eeee eele eeoc eerc eero elce elco elec elee eleo eler elle ello elro eole eolo eore eorl ercc erce erec erel erer erle erll eroc eroe erol eroo errc erre erro lccc lcce lcer lcor lcrl lece leco leel leer lele lell lelo leoc leor lerc lere lero llcc lllc llll lloc lloo locc loce loco lole loll lolo looc looe lool loor lore loro lroc lrrc lrrr o-eo occc oce ocee oclc ocre ocrl ocro ocrr oec- oecc oeec oele oere olcc ole- oleo oler olle ollo olor oocr ooer oolo oooo oore orce orco ore- orec orel oreo orer orle orlo oro- oroe oror orro rccc rcle recc rece recr reel rele rell relo reol rere rero rlee rocc roce roco roel roer role roll rolo rool roor rorc rore roro rrle rrrr