cccc cccl cccu cclc ccnc ccnu ccoc ccuc ckck ckcl ckco ckln cknc ckoc ckoo clok clon cloo clou clun cnco cock coco cocu cok- coko col- colk coll coln colo colu con- conc conk conn cono cook cool coon couk coul coun cucc cuck cucn cuk- culc culk cull culo cuno cuon k-lo kccc kcck kccl kccu kckc kckk kckl kckn kcko kclc kclk kcll kcln kclu kcno kcol kcon kcou kcuk kcul kkck kkcl kkcn kkco kkkk kklc kkll kkln kklo kknn kkno kknu kkol kkon kkoo kkuu klcc klck klcl klcn klkc klkk klkl klkn klko kllc kllk klnc klnn klno kloc klok klol klon kloo klou kluk klun kluu knck kncn knco kncu knkk knlc knnk knoc knok knol knon knou knuk kock kocn kokc kokk kokn koko koku kolc kolk koll koln kolo kolu konc konk kono kooc kook kool koon kooo koou koul kouu kucc kuco kukk kukl kukn kuku kull kuln kulo kulu kunc kunk kuno kunu kuok kuol kuon kuoo kuuk kuul kuuu lccc llcc lllc llll lloc lloo lnnk locc lock locn loco locu lokk loko loll lolo lonk lono looc look lool loon louk loul loun louu luck luko lull lulu lunk lunn luno luuk nccc nccn nccu nclc ncln ncnc ncoc ncuk nkok nlcc nnnn nock nocl noco noko noll nolo non- nonn nono nonu noo- nook nool noon nooo noul noun nuck nucu nuku null nunc nunk nunn nuno nuoc nuon nuuk occc occn oclc ocon ocul okcu okko oklo okno okok okol okon okul okun olcc ollo olon onc- onco onno onon ooku oolo oooo oucc oulk oulu oun- ouu- ucon ukcc ukko uknc ukok ukon ulcc ulco ullo ulno ulo- uloc uluk ulul uncc uncl unco unkl unkn unko unno unon uocc uolc uulu uuno uuoc uuuu