bbbb bbch bblb bcbc bcbp bccc bccl bcpl bcpp bhcc bhpl blkb blob bloc blok bloo blop bobb bobo boch bock boco bohl boho boko bolk boll bolo boob booc booh book bool boop bopp bpcp bphc c-bo cbbc cbcc cbcl cbcp cbhl cbkl cbko cblb cblc cbol cbpc cbpp ccbc cccb cccc cccl cccp cchl cchp cclc ccob ccoc ccpl ccpp chbp chch chcp chkb chlc chlp choc choh chok chol choo chop chpp ckbc ckch ckck ckcl ckco ckob ckoc ckoo ckpc clob clok cloo clop clpb clpp cobb cobh cobo coch cock coco cocp coho cok- coko col- colb colk coll colo colp coob cooh cook cool coop coph copo copp cpbc cphl cplc hboc hcbc hccb hccc hcch hcpc hhcl hhhh hhpc hkcc hkcl hkpo hobo hoch hock hohl hoho hoko hol- holb holc holh holk holl holo holp hook hool hoop hopo hopp hpcc k-lo kbbb kbbc kbbk kbbl kbbo kbcb kbch kbck kbcl kbco kbhb kbhc kbhh kbhl kbhp kbkb kbkk kbkl kbko kblb kbll kblo kblp kbob kboc kbok kboo kbpc kbpk kbpo kcbc kcbk kcbl kccb kccc kcck kccl kchh kchk kchl kcho kckc kckk kckl kcko kclc kclh kclk kcll kcob kcoh kcol kcpc kcpl kcpo khbc khcb khcc khch khck khhk khhl khho khkk khlc khll khlo khob khoc khok khol khop kkbb kkbl kkbo kkcb kkch kkck kkcl kkco kkhb kkhh kkhk kkkk kklb kklc kklh kkll kklo kkob kkoh kkol kkoo kkpc kkpk kkpl klbb klbc klbl klcb klcc klch klck klcl klhb klhc klkc klkk klkl klko kllb kllc kllk kllp klob kloc kloh klok klol kloo klop klpc kobb kobc kobk kobo kocb koch kock kocp kohh kohl koho kokb kokc kokh kokk koko kokp kolb kolc kolk koll kolo koob kooc kook kool kooo koop kopb koph kopp kpbb kpbl kpcc kpch kpcl kphl kphp kpkk kpkl kplc kplk kplo kpob kpoc kpok kpol kpoo kpop kppc kppk kppl kppo kppp lbcc lcbc lccc lchc lcpc lcpl lhhh llcc lllc llll lloc lloo lob- lobb lobh lobo locc loch lock loco loho lokk loko loll lolo loob looc look lool loop lopp lppl obbo obkb obok obol ocbc occc oclc ocpp ohcc ohho ohob ohoh ohok okko oklo okok okol okpo olbo olcc ollo olpc olph ooho oolo oooh oooo opo- oppo pbcc pboc pbpk pcbc pccc pccl pchp pclk pcll pclo pcpb pcpp phcc phkb phlo phob phoh phoo plcc plch plkk plob ploc ploh plok ploo plop plpp pobo poch pock poco pohl poko polk poll polo pooh pook pool poop pop- popc popo popp ppcc pplo pppo pppp