bbbb bbbs bboy bbyo bcbc bcbp bcbs bccc bccs bcos bcpp bcps bcsc bcss bkcy bksp bobb bobo bobs boby bock boco bocs boko boks boob booc book boop boos bopp bops bosc bosk boso boss boyo boys bpcp bscp bscs bsos bspp bssc byck byob byoc byop byos bysb byso bysp byss bysy c-bo cbbc cbbs cbcc cbcp cbcs cbko cbpc cbpp cbsc ccbc cccb cccc cccp cccs ccob ccoc ccpp ccps ccsp ccss ckbc ckck ckco ckcs ckcy ckob ckoc ckoo ckos ckoy ckpc cksb ckso cobb cobo cobs coby cock coco cocp cok- coko coky coob cook coop coos copo copp cops copy cosc coso cosp coss cosy coyo coys cpbc cpcs cpos cpps cpsc cpsk cpso cscb cscc csco cscs csks csob csos cspb cspc csps csys cybb cybc cybo cyc- cycb cycc cycs cypc cyps cyy- cyyc k-os kbbb kbbc kbbk kbbo kbbs kbcb kbck kbco kbcs kbcy kbkb kbkk kbko kbky kbob kboc kbok kboo kbos kbpc kbpk kbpo kbps kbpy kbsb kbsk kbso kbss kbsy kbyb kbyo kbys kcbc kcbk kcbs kccb kccc kcck kccy kckc kckk kcko kcky kcob kcos kcpc kcpo kcps kcsb kcsc kcsp kcss kcsy kcyk kcys kcyy kkbb kkbo kkbs kkcb kkck kkco kkcs kkcy kkkk kkob kkoo kkoy kkpc kkpk kkps kksp kkss kkyc kkys kkyy kobb kobc kobk kobo kobs koby kocb kock kocp kocs kokb kokc kokk koko kokp koks koky koob kooc kook kooo koop koos kopb kopp kops kopy kos- kosb kosc koso kosp koss kosy koyo koyy kpbb kpbs kpcc kpcs kpkk kpky kpob kpoc kpok kpoo kpop kpoy kppc kppk kppo kppp kpsc kpso kpsp kpyk ksbc ksbp ksbs ksby kscb ksck ksco kscs kscy kskb kskk ksko ksks ksky ksob ksoc ksok ksoo ksop ksos kspb kspc kspk kspo ksps ksso ksss ksyc ksyy kybb kybc kybo kybp kyby kycc kyck kycs kykc kykk kyks kyky kyok kyoo kyos kyoy kyp- kypb kypc kyps kysc kysk kysp kyyk kyyo kyys kyyy obbo obby obkb obok obos oboy obss ocbc occc ocks ocos ocpp ocys okby okko okok okpo okso okyo ooby ooky oooo ooos oops opo- opos oppo opps oppy opsy osbp osby oscc osco osoo osos ossb osso ossy osyp oyss pbcc pboc pbpk pbsp pcbc pcbs pccc pccs pcks pcos pcpb pcpp pcps pcso pkcs pobo pobs pock poco pocs poko poky pook poop poos pop- popc popo popp pops popy posb posk poso poss posy poyo poys ppcc ppcs ppos pppo pppp ppps ppss psco psoc psos pspp psps pssc psso psy- psys pyck pykk pyo- pyos pypy pysk pyss s-os sbbs sbcc sbcs sbsp sccc sccp sccs sccy sck- scob scok scoo scop scpb scpo scps scsc scso skop skpc skpo skss sky- skys skyy sobo sobp sobs sock soco socs socy sokk soko sook soop soos sooy sopo sopp sops sopy soso soss soyo soys spby spcc spco spcs spoc spok spoo spop spos spoy spps spso spsp spss spy- spys ssby sscc sscp sscs ssoc ssop sspc sspo ssps sssb sssc ssss sybo syck syco sypo syso syss syyk ybbs yccc ycsb ykko yksc yobo yobs yock yoko yoks yoky yook yoop yopo yopy yoso yoyo ypcc ysby ysco ysop ysyb yyyy