bbbb bbbs bbcm bbdd bbdo bcbc bcbs bccc bccm bccs bcds bcms bcos bcsc bcsm bcss bdbc bddc bdos bdsd bdsm bmdb bmoc bobb bobo bobs bocm boco bocs bodb bodo bods bomb boms boob booc bood boom boos bosc bosm boso boss bsbd bscs bsms bsod bsos bssc bssd bssm c-bo c-cd cbbc cbbs cbcc cbcm cbcs cbdb cbdc cbdo cbds cbms cbsc cbsm ccbc cccb cccc cccm cccs ccdc ccdm ccds ccmb ccmc ccmd ccmm ccms ccob ccoc ccod ccom ccsd ccss cdcs cddb cdms cdom cdos cdss cmbc cmbs cmcc cmcs cmdb cmmb cmmc cmms cmoc cmos cmsc cobb cobo cobs coco codd cods com- comb comc comd comm como coms coob cood coom coos cosc cosm coso coss csbm cscb cscc cscd csco cscs csdb csmc csob csom csos cssd cssm d-bo dbcc dbcs dbms dbos dbss dcbc dccb dccc dccs dcdb dcds dcms dcom dcos dcsc dcss dddd ddoc ddss dmcc dmcm dmcs dmdc dmds dmso dmss dobb dobs doco docs dod- dodd dodo dods domb domm domo doms doob dood doom doos doso doss dsbc dscc dscs dsdm dsmb dsmc dsms dsos dssc mbbs mbcs mbdb mbms mcbc mccc mccd mcdc mcdd mcdo mcmc mcsd mcss mdcc mddm mdds mdmc mdoc mdos mdsd mmcc mmcd mmcm mmcs mmdb mmdc mmds mmmc mmmd mmmm mmms mmod mmsc mmsd mobb mobo mobs moco mocs modd modo mods momo moms moob mooc mood moos mosc moso moss mscc msco msdc msmb msmc msmm msms mssm obbo obos obsd obss ocbc occc ocds ocms ocom ocos odbo oddd odds odom odoo odos odso ombo omdb omo- omoo ooms oooo ooos oscc osco osm- osmo osoo osos ossb ossd osso s-os sbbs sbcc sbcs sbds sbmc sbsd sccc sccm sccs scdc scds scmc scmm scmo scms scob scom scoo scsc scsd scso sdcc sdco sddc sdds sdmo sdms sdsc sdsm sdss smbc smcc smdc smoc smod smos smsc smsd smss sobo sobs socm soco socs sodd sodo sods somb somm somo sood soom soos soso soss sscc sscs ssdc ssdd ssdm ssmc ssoc sssb sssc sssm ssss