cccc cccl cclc ccoc ccrc ccrl ckck ckcl ckco ckcy ckoc ckoo ckor ckoy ckrc ckry ckyl clok cloo clor cloy clro cly- clyk cock coco cok- coko coky col- colk coll colo coly cook cool cor- corc cork corl coro corr cory coyl coyo coyr crcc crcr crkc crkl croc crok crol croo cror croy cry- cryo cyc- cycc cycl cyl- cylc cyll cyrk cyrl cyy- cyyc k-lo kccc kcck kccl kccr kccy kckc kckk kckl kcko kckr kcky kclc kclk kcll kclr kcly kcol kcor kcrc kcro kcrr kcry kcyk kcyl kcyy kkck kkcl kkco kkcr kkcy kkkk kklc kkll kklo kkol kkoo kkor kkoy kkrc kkrk kkrl kkro kkrr kkyc kkyy klcc klck klcl klcr klcy klkc klkk klkl klko klkr klky kllc kllk klly kloc klok klol kloo klor klrc klrk klrr klyc klyk klyr klyy kock kokc kokk koko kokr koky kolc kolk koll kolo kolr koly kooc kook kool kooo koor korc kork korl koro korr koyo koyy krcc krcl krco krkc krkk krko krkr krky krlc kroc krok krol kroo kror kroy krrc krrk krrl krro krrr krry kryk kryl kryo kryy kycc kyck kycr kykc kykk kykr kyky kyll kylo kyok kyol kyoo kyor kyoy kyrc kyrk kyro kyyk kyyo kyyy lccc lcor lcrl llcc lllc llll lloc lloo llyr locc lock loco lokk loko loll lolo loly looc look lool loor lork loro lory lroc lrrc lrrr lrry lyc- lyco lyly lyo- lyro occc oclc ocrl ocro ocrr okko oklo okok okol okor okro okyo olcc ollo olly olor olry oocr ooky oolo oooo oory orco orko orlo orly oro- orok oror oroy orro orry oyly rccc rcyc rocc rock roco rokk roko rokr roky rolk roll rolo roly rook rool roor rorc rork roro rory royl rrrr ryck yccc ykko ylyk yock yoko yoky yolk yoll yolo yoly yook yool york yoro yory yoyo yrly yyyy