cccc cccl cccu cclc ccnc ccnu ccny ccoc ccuc clon cloo clou cloy clun cly- cnco coco cocu col- coll coln colo colu coly con- conc conn cono cony cool coon coul coun couy coyl coyn coyo cucc cucn culc cull culo cuno cuny cuon cuy- cuyl cuyo cyc- cycc cycl cyl- cylc cyll cyn- cyno cyon cyul cyun cyy- cyyc cyyn lccc llcc lllc llll lloc lloo llyn locc locn loco locu loll lolo loly lono looc lool loon loul loun louu loyn lucy lull lulu lunn luno luny lyc- lyco lyly lync lynn lyo- lyon lyun lyyn nccc nccn nccu nclc ncln ncnc ncoc nlcc nnnn nocl noco noll nolo non- nonn nono nonu noo- nool noon nooo noul noun noyl noyo nucu null nunc nunn nuno nuny nuoc nuon nycc nyco nycy nyll nyny nyon nyul occc occn oclc ocon ocul olcc ollo olly olon onc- onco only onno onon onoy oolo oooo oucc oulu oun- ouu- oyly oyon oyou oyun ucon ulcc ulco ullo ully ulno ulo- uloc ulul uncc uncl unco unno unon uocc uolc uulu uuno uuoc uuuu uuyn yccc ynol ynon ynou yoll yolo yoly yono yool yoon youl yoyn yoyo yulo yulu yuny yuon yuyu yyyy