cccc cccl cclc ccoc ccrc ccrl cloo clor cloy clro cly- coco col- coll colo coly cool cor- corc corl coro corr cory coyl coyo coyr crcc crcr croc crol croo cror croy cry- cryo cyc- cycc cycl cyl- cylc cyll cyrl cyy- cyyc lccc lcor lcrl llcc lllc llll lloc lloo llyr locc loco loll lolo loly looc lool loor loro lory lroc lrrc lrrr lrry lyc- lyco lyly lyo- lyro occc oclc ocrl ocro ocrr olcc ollo olly olor olry oocr oolo oooo oory orco orlo orly oro- oror oroy orro orry oyly rccc rcyc rocc roco roll rolo roly rool roor rorc roro rory royl rrrr yccc yoll yolo yoly yool yoro yory yoyo yrly yyyy