bbbb bblb bboy bbyo bcbc bccc bccl bkcy blkb blob bloc blok bloo bloy bly- blyk bobb bobo boby bock boco boko bolk boll bolo boly boob booc book bool boyl boyo byck byob byoc byol c-bo cbbc cbcc cbcl cbkl cbko cblb cblc cbol ccbc cccb cccc cccl cclc ccob ccoc ckbc ckck ckcl ckco ckcy ckob ckoc ckoo ckoy ckyl clob clok cloo cloy cly- clyk cobb cobo coby cock coco cok- coko coky col- colb colk coll colo coly coob cook cool coyl coyo cybb cybc cybo cyc- cycb cycc cycl cyl- cylc cyll cyy- cyyc k-lo kbbb kbbc kbbk kbbl kbbo kbcb kbck kbcl kbco kbcy kbkb kbkk kbkl kbko kbky kblb kbll kblo kbob kboc kbok kboo kbyb kbyo kcbc kcbk kcbl kccb kccc kcck kccl kccy kckc kckk kckl kcko kcky kclc kclk kcll kcly kcob kcol kcyk kcyl kcyy kkbb kkbl kkbo kkcb kkck kkcl kkco kkcy kkkk kklb kklc kkll kklo kkob kkol kkoo kkoy kkyc kkyy klbb klbc klbl klcb klcc klck klcl klcy klkc klkk klkl klko klky kllb kllc kllk klly klob kloc klok klol kloo klyc klyk klyy kobb kobc kobk kobo koby kocb kock kokb kokc kokk koko koky kolb kolc kolk koll kolo koly koob kooc kook kool kooo koyo koyy kybb kybc kybo kyby kycc kyck kykc kykk kyky kyll kylo kyok kyol kyoo kyoy kyyk kyyo kyyy lbcc lcbc lccc llcc lllc llll lloc lloo lob- lobb lobo loby locc lock loco lokk loko loll lolo loly loob looc look lool lyc- lyco lyly lyo- obbo obby obkb obok obol oboy ocbc occc oclc okby okko oklo okok okol okyo olbo olby olcc ollo olly ooby ooky oolo oooo oyly yccc ykko ylyk yobo yock yoko yoky yolk yoll yolo yoly yook yool yoyo yyyy