c-cd cccc cccl cccp cccu ccdc ccdp ccgc cclc cclg ccoc ccod ccpl ccpp ccuc ccup cddl cgcc cgcg clcd cldc clod clog cloo clop clou clpp clud coco cocp cocu codd codl cogo col- cold coll colo colp colu cood cool coop copd copg copo copp coud coul coup cpcu cpdl cplc cppd cucc culc culd cull culo culp cupl cupo cupp dccc dccl dccp dccu dcgo dcop dcpg dcpl dcpo dcup dddd ddlc ddoc ddpo dglc dlco doco docu dod- dodd dodg dodo dog- dogg dogo dogp dogu dold doll dolo dolp dolu dood dool doop dopo dopp douc doud doug doul doup dpcp dpll dppc duco dudd dudo dudu dugu dulc dull dulo dulu duo- dupo duul gc-c gccc gclc gclp gcpc ggcl gggg ggpo glcc glod glog glop glou glug godo gogo gold goll golo golp golu good goog gool goop gopc gopo gopu gou- goud goug goul goup gpgp gudo gudu gugg gugu guld gull gulo gulp gulu lccc lcdd lcdp lcpc lcpd lcpl lddp ldpc llcc lldc lldp llgc lllc llll lloc llod lloo llud locc loco locu log- logo logp lold loll lolo looc lood lool loop lopp lopu loud loul loup louu lpod lppl ludd ludo lugg lugo lugu lull lulu lupo lupu luup occc oclc ocpd ocpp ocul oddd odoo odop odou ogdc ogdl ogod ogog ogou ogpl ogpu olcc olgc ollo olog olpc oold oolo oooo opo- oppo oucc oudc ould oulu ouu- pccc pccl pcgg pcll pclo pcod pcpp pdcp pdlc pdoc pgcc pglo pgou pgpu pgup plcc ploc plod plog ploo plop plou plpp plud plug plup pocd poco pod- podd podo podu pogg pogo pold polg poll polo polu pood pool poop pop- popc popo popp poud poul poup ppcc ppcd pplo ppod pppd pppo pppp pudo pudu pugo pugu pull pulo pulp pulu pupl pupu puuc uccp ucdc ucdd udoo udop udpd ugcc ugcg uggo ugod ugol uguu ulcc ulco ullo ulo- uloc ulog ulul uocc uolc updo upgo uplo uppc uppp uppu upup uucp uulu uuoc uuuu