c-cd cccc cccl ccdc cclc ccoc ccod cddl ckck ckcl ckco ckdo ckoc ckoo clcd cldc clod clok cloo cock coco codd codl cok- coko col- cold colk coll colo cood cook cool dccc dccl dddd ddlc ddoc dkdc dlco dock doco dod- dodd dodo doko dold dolk doll dolo dood dook dool k-lo kccc kccd kcck kccl kcdc kcdd kckc kckk kckl kcko kclc kclk kcll kcol kdcc kdcd kdco kddc kddd kddk kddl kdkd kdkk kdko kdlc kdld kdll kdlo kdoc kdok kkcd kkck kkcl kkco kkdc kkdd kkdl kkdo kkkk kklc kkld kkll kklo kkol kkoo klcc klcd klck klcl kldc kldd klkc klkk klkl klko kllc kllk kloc klok klol kloo kocd kock kodk kodl kodo kokc kokk koko kolc kold kolk koll kolo kooc kook kool kooo lccc lcdd llcc lldc lllc llll lloc llod lloo locc lock loco lokk loko lold loll lolo looc lood look lool occc oclc oddd odoo okko oklo okok okol olcc ollo oold oolo oooo