c-cd cccc cccl ccdc ccdn cclc ccnc ccoc ccod cddl cdnc cdon clcd cldc clod clon cloo cnco cndd coco codd codl col- cold coll coln colo con- conc cond conn cono cood cool coon dccc dccl dcon dddd ddlc ddoc dlco dnoc doco dod- dodd dodo dold doll dolo donc dond donn dono dood dool doon lccc lcdd llcc lldc lllc llll lloc llod lloo lndn locc locn loco lold loll lolo lond lono looc lood lool loon nccc nccn ncdc ncdn nclc ncln ncnc ncnd ncoc ndcc nddo ndoc nlcc nnnn nocl noco nodo nold noll nolo non- nonn nono noo- nool noon nooo occc occn oclc ocon oddd odon odoo olcc oldn ollo olon onc- oncd onco ondo onno onod onon oold oolo oooo