bbbb bboy bbyo bcbc bcbp bccc bcpp bkcy bobb bobo boby bock boco boko boob booc book boop bopp boyo bpcp byck byob byoc byop c-bo cbbc cbcc cbcp cbko cbpc cbpp ccbc cccb cccc cccp ccob ccoc ccpp ckbc ckck ckco ckcy ckob ckoc ckoo ckoy ckpc cobb cobo coby cock coco cocp cok- coko coky coob cook coop copo copp copy coyo cpbc cybb cybc cybo cyc- cycb cycc cypc cyy- cyyc kbbb kbbc kbbk kbbo kbcb kbck kbco kbcy kbkb kbkk kbko kbky kbob kboc kbok kboo kbpc kbpk kbpo kbpy kbyb kbyo kcbc kcbk kccb kccc kcck kccy kckc kckk kcko kcky kcob kcpc kcpo kcyk kcyy kkbb kkbo kkcb kkck kkco kkcy kkkk kkob kkoo kkoy kkpc kkpk kkyc kkyy kobb kobc kobk kobo koby kocb kock kocp kokb kokc kokk koko kokp koky koob kooc kook kooo koop kopb kopp kopy koyo koyy kpbb kpcc kpkk kpky kpob kpoc kpok kpoo kpop kpoy kppc kppk kppo kppp kpyk kybb kybc kybo kybp kyby kycc kyck kykc kykk kyky kyok kyoo kyoy kyp- kypb kypc kyyk kyyo kyyy obbo obby obkb obok oboy ocbc occc ocpp okby okko okok okpo okyo ooby ooky oooo opo- oppo oppy pbcc pboc pbpk pcbc pccc pcpb pcpp pobo pock poco poko poky pook poop pop- popc popo popp popy poyo ppcc pppo pppp pyck pykk pyo- pypy yccc ykko yobo yock yoko yoky yook yoop yopo yopy yoyo ypcc yyyy