cccc cccl cccs cclc ccls ccoc ccsl ccss cloo clos cloy clsc cly- coco col- coll colo cols coly cool coos cosc cosl coso coss cosy coyl coyo coys cscc cscl csco cscs csos csys cyc- cycc cycl cycs cyl- cylc cyll cyls cyy- cyyc lccc lccs lcls lcsc llcc llcs lllc llll lloc lloo locc loco locs loll lolo lols loly looc lool loos losc loso loss losy loys lsco lscs lsso lyc- lyco lyly lyo- lys- lysl lyso lyss occc oclc ocos ocys olcc ollo olly olos oolo oooo ooos oscc oscl osco oslo osoo osos osso ossy oyls oyly oyss s-os sccc sccl sccs sccy scl- sclc scls scol scoo scsc scsl scso slcc sloc sloo slos sloy slsc slys socl soco socs socy soll solo sols soly sool soos sooy soso soss soyo soys sscc sscs sslc ssoc sssc ssss syco syl- syll syls syso syss yccc ylls yoll yolo yoly yool yoso yoyo ysco yyyy