bbbb bbbs bbdd bbdo bcbc bcbs bccc bccs bcds bcos bcsc bcsn bcss bdbc bddc bdos bdsd bnoc bnss bobb bobo bobs bock boco bocs bodb bodo bods bokn boko boks bonc bond bonk bonn bono bons boob booc bood book boon boos bosc bosk bosn boso boss bsbd bscs bsnd bsns bsod bson bsos bssc bssd c-bo c-cd cbbc cbbs cbcc cbcn cbcs cbdb cbdc cbdn cbdo cbds cbkn cbko cbnd cbsc cbsn ccbc ccbn cccb cccc cccs ccdc ccdn ccds ccnb ccnc ccns ccob ccoc ccod ccsd ccsn ccss cdcs cddb cdnb cdnc cdon cdos cdss ckbc ckck ckco ckcs ckdo cknb cknc ckns ckob ckoc ckoo ckos cksb ckso cnbc cnco cndd cnss cobb cobo cobs cock coco codd cods cok- coko con- conc cond conk conn cono cons coob cood cook coon coos cosc coso coss cscb cscc cscd csco cscs csdb csdn csks csob csos cssd d-bo dbcc dbcs dbos dbss dcbc dccb dccc dccs dcdb dcds dcns dcon dcos dcsc dcss dddd ddoc ddss dkdc dncs dnoc dnsc dobb dobs dock doco docs dod- dodd dodo dods doko donc dond donk donn dono dons doob dood dook doon doos dosk doso doss dsbc dscc dscn dscs dsos dssc dssn k-os kbbb kbbc kbbd kbbk kbbo kbbs kbcb kbck kbco kbcs kbdb kbdn kbdo kbds kbkb kbkk kbko kbnd kbnn kbno kbob kboc kbod kbok kbon kboo kbos kbsb kbsk kbsn kbso kbss kcbc kcbd kcbk kcbs kccb kccc kccd kcck kcdc kcdd kcds kckc kckk kckn kcko kcnb kcnd kcno kcns kcob kcon kcos kcsb kcsc kcsd kcsn kcss kdbb kdbn kdbs kdcc kdcd kdco kddb kddc kddd kddk kdkb kdkd kdkk kdkn kdko kdnd kdnk kdnn kdno kdns kdoc kdok kdsc kdsd kdsk kdsn kdss kkbb kkbd kkbn kkbo kkbs kkcb kkcd kkck kkcn kkco kkcs kkdc kkdd kkdo kkkk kknb kknd kknn kkno kkns kkob kkon kkoo kksd kksn kkss knbb knbc knbn kncb knck kncn knco kndb kndc kndd kndk kndn kndo knkk knnb knnd knnk knns knob knoc knod knok knon knsb knsc knsd knsk knsn knso knss kobb kobc kobk kobn kobo kobs kocb kocd kock kocn kocs kodk kodo kods kokb kokc kokk kokn koko koks konc kond konk kono koob kooc kook koon kooo koos kos- kosb kosc kosd koso koss ksbc ksbn ksbs kscb ksck kscn ksco kscs ksdc ksdk ksdn ksds kskb kskd kskk kskn ksko ksks ksnb ksnc ksnd ksnk ksnn ksns ksob ksoc ksok kson ksoo ksos kssn ksso ksss nbbc nbbo nbcc nbco nbcs ncbc ncbs nccc nccn nccs ncdc ncdn ncds ncnc ncnd ncoc ncos ncsc ncss ndcc ndcs nddb nddo ndoc ndos ndss nkok nndb nnnn nnos nnss nobc nobo nobs nock noco nocs nodo nods noko non- nonn nono nons noo- noob nook noon nooo noos nos- nosk noss nsbo nscc nscd nscs nsds nskk nsok nsos nssb nssc nsso nsss obbo obkb obok obon obos obsd obsn obss ocbc occc occn ocds ocks ocon ocos odbo oddd odds odnb odon odoo odos odso okko okno okok okon okso onc- oncd onco ondo onno onod onon onos onsc onso oons oooo ooos oscc osco osno osoo osos ossb ossd osso s-os sbbs sbcc sbcs sbds sbsd sccc sccs scdc scds sck- scnd scob scok scon scoo scsc scsd scsn scso sdcc sdco sddc sdds sdsc sdss skn- skon sksd skss sncc snco snns snob snoc snod snoo snos snsd sobo sobs sock soco socs sodd sodo sods sokk sokn soko son- sond sonk sono sons sood sook soon soos soso soss ssbn sscc sscs ssdc ssdd ssns ssoc sssb sssc ssss