cccc cccl cccp cccu ccgc cclc cclg ccoc ccpl ccpp ccuc ccup cgcc cgcg clog cloo clop clou clpp coco cocp cocu cogo col- coll colo colp colu cool coop copg copo copp coul coup cpcu cplc cucc culc cull culo culp cupl cupo cupp gc-c gccc gclc gclp gcpc ggcl gggg ggpo glcc glog glop glou glug gogo goll golo golp golu goog gool goop gopc gopo gopu gou- goug goul goup gpgp gugg gugu gull gulo gulp gulu lccc lcpc lcpl llcc llgc lllc llll lloc lloo locc loco locu log- logo logp loll lolo looc lool loop lopp lopu loul loup louu lppl lugg lugo lugu lull lulu lupo lupu luup occc oclc ocpp ocul ogog ogou ogpl ogpu olcc olgc ollo olog olpc oolo oooo opo- oppo oucc oulu ouu- pccc pccl pcgg pcll pclo pcpp pgcc pglo pgou pgpu pgup plcc ploc plog ploo plop plou plpp plug plup poco pogg pogo polg poll polo polu pool poop pop- popc popo popp poul poup ppcc pplo pppo pppp pugo pugu pull pulo pulp pulu pupl pupu puuc uccp ugcc ugcg uggo ugol uguu ulcc ulco ullo ulo- uloc ulog ulul uocc uolc upgo uplo uppc uppp uppu upup uucp uulu uuoc uuuu