c-cd cccc cccl cccp ccdc ccdp cclc ccoc ccod ccpl ccpp cddl clcd cldc clod cloo clop clpp coco cocp codd codl col- cold coll colo colp cood cool coop copd copo copp cpdl cplc cppd dccc dccl dccp dcop dcpl dcpo dddd ddlc ddoc ddpo dlco doco dod- dodd dodo dold doll dolo dolp dood dool doop dopo dopp dpcp dpll dppc lccc lcdd lcdp lcpc lcpd lcpl lddp ldpc llcc lldc lldp lllc llll lloc llod lloo locc loco lold loll lolo looc lood lool loop lopp lpod lppl occc oclc ocpd ocpp oddd odoo odop olcc ollo olpc oold oolo oooo opo- oppo pccc pccl pcll pclo pcod pcpp pdcp pdlc pdoc plcc ploc plod ploo plop plpp pocd poco pod- podd podo pold poll polo pood pool poop pop- popc popo popp ppcc ppcd pplo ppod pppd pppo pppp