cccc cccl ccee ccel cclc cclx ccoc ccxl cec- cece ceco ceec ceel cel- celc cele cell celo ceol cexe clec clee cleo cloe cloo clox clxx coce coco coel coex col- cole coll colo cool coxe cxxx e-cl eccc ecce eccl ecco eco- ecol eeee eele eeoc elce elco elec elee eleo elex elle ello eole eolo excl exco exec exel exo- lccc lcce lece leco leel lele lell lelo leoc leox lexx llcc lllc llll lloc lloo locc loce loco lole loll lolo looc looe lool lox- loxo lxxx o-eo occc oce ocee oclc oec- oecc oeec oele olcc ole- oleo olle ollo oolo oooo oxo- oxox oxxo xcel xexe xloc xlox xoco xolo xoxo xxxo xxxx