cccc cccl cccu ccgc cclc cclg ccnc ccnu ccoc ccuc cgcc cgcg clog clon cloo clou clun cnco coco cocu cogo col- coll coln colo colu con- conc cong conn cono cool coon coul coun cucc cucn culc cull culo cuno cuon gc-c gccc gclc ggcl gggg glcc glog glou glug glun gncc gngc gnoo gogo goll golo golu gon- gong gonn gono gonu goog gool goon gou- goug goul goun gugg gugu gull gulo gulu gung gunn lccc llcc llgc lllc llll lloc lloo locc locn loco locu log- logo loll lolo long lono looc lool loon loul loun louu lugg lugo lugu lull lulu lung lunn luno nccc nccn nccu nclc ncln ncnc ncoc ngol ngon ngou nguu nlcc nlgn nngn nnnn nocl noco nogg nogo noll nolo non- nong nonn nono nonu noo- nool noon nooo noul noun nucu null nunc nung nunn nuno nuoc nuon occc occn oclc ocon ocul ognl ogog ogon ogou ogun olcc olgc ollo olog olon onc- onco ongo ongu onno onon oolo oooo oucc oulu oun- oung ouu- ucon ugcc ugcg uggo ugol uguu ulcc ulco ullo ulno ulo- uloc ulog ulul uncc uncg uncl unco ungo ungu unno unon uocc uolc uulu uuno uuoc uuuu