bbbb bbbs bbdd bbdo bblb bbls bbrc bcbc bcbs bccc bccl bccs bcds bcor bcos bcrs bcsc bcsl bcsn bcss bd-r bdbc bddc bdls bdos bdsd bldc bldr blls blno blob bloc blod blon bloo blrc blss bnoc bnor bnrr bnss bobb bobo bobs boco bocs bodb bodo bods bold boll boln bolo bols bonc bond bonn bono bons boob booc bood bool boon boor boos bor- bord born boro borr bors bosc bosn boso boss brcb brdo brds brls brno brns brob broc brod brol bron broo bror bros brrr brrs brsb brsr bsbd bscs bsdl bslc bsnd bsns bsod bson bsos bsrd bssc bssd c-bo c-cd cbbc cbbs cbcc cbcl cbcn cbcr cbcs cbdb cbdc cbdn cbdo cbds cblb cblc cbln cbnd cbol cbrd cbrl cbrn cbsc cbsn ccbc ccbn cccb cccc cccl cccs ccdc ccdn ccdr ccds cclc ccls ccnb ccnc ccnr ccns ccob ccoc ccod ccrc ccrl ccrs ccsd ccsl ccsn ccss cd-r cdcs cddb cddl cddr cdls cdnb cdnc cdon cdos cdrs cdss clcd cldc cldr clob clod clon cloo clor clos clrd clro clrs clsc cnbc cnbl cnco cndd cnrc cnrr cnsl cnss cobb cobo cobs coco codd codl cods col- colb cold coll coln colo cols con- conc cond conn cono cons coob cood cool coon coos cor- corb corc cord corl corn coro corr cors cosc cosl coso coss crbc crcc crcr crdc crls crns crob croc crod crol cron croo cror crss cscb cscc cscd cscl csco cscr cscs csdb csdn csdr csld cslr csob csor csos csrc csrd csrs cssd cssr d-bo dbcc dbcs dbls dbnl dbos dbrn dbrs dbss dcbc dccb dccc dccl dccs dcdb dcds dcls dcns dcon dcos dcsc dcss dddd ddlc ddoc ddrc ddss dlbd dlco dlcs dlos dlrs dncs dnoc dnrc dnsc dobb dobl dobs doco docs dod- dodd dodo dods dold doll dolo dols donc dond donn dono donr dons doob dood dool doon door doos dorc dord dorn doro dorr dors doso doss drbc drno drob drod drol dron drrs dsbc dscc dscn dscr dscs dsdr dsls dsos dsrc dsrr dssc dssn lbcc lbds lblr lbos lbrs lbsc lcbc lccc lccs lcdd lcdr lcds lcls lcor lcrd lcrl lcrs lcsc lcsd lcsr ldls ldos ldrs llbs llcc llcs lldb lldc llds lllc llll lloc llod lloo lncr lndn lnso lob- lobb lobo lobs locc locn loco locs lods lold loll lolo lols lond lono lonr lons loob looc lood lool loon loor loos lord lorn loro lors losc loso loss lrcs lrdd lrds lroc lron lrrc lrrr ls-r lscb lsco lscs lsds lson lsrc lsso lssr nbbc nbbo nbcc nbco nbcs ncbc ncbs nccc nccn nccr nccs ncdc ncdn ncdr ncds nclc ncln nclr ncnc ncnd ncoc ncor ncos ncrc ncsc ncsl ncss ndcc ndcs nddb nddo ndls ndoc ndor ndos ndrc ndsl ndss nlcc nlcs nlls nlrb nlsc nndb nnls nnnn nnos nnsl nnss nobc nobo nobs nocl noco nocs nodo nods nold noll nolo nols non- nonn nono nons noo- noob nool noon nooo noor noos nor- norb norc nord norn noro norr nors nos- noss nrcs nrdc nrds nrlb nroc nron nrrc nrrd nrrl nrsc nsbo nscc nscd nscl nscs nsdl nsds nslr nsls nsnr nsos nsrc nsrd nsrl nssb nssc nsso nssr nsss obbo obls obol obon obor obos obro obsd obsn obsr obss ocbc occc occn ocds oclc ocon ocos ocrl ocro ocrr ocrs odbo oddd odds odnb odon odoo odor odos odrl odso olbo olcc oldb oldn olds ollo olon olor olos onc- oncd onco ondo onno onod onon onor onos onsc onso oocr oold oolo oons oooo ooos oord orbb orbo orbs orco orcs ordn ordo ords orlo ornc orno orns oro- oron oror oros orro orrs orso oscc oscl osco oslo osno osnr osoo osor osos osrd osro ossb ossd osso rbbb rbbr rbbs rbcl rbds rbsd rbsl rbss rcbc rcbo rccb rccc rccs rcdc rcds rcls rcnl rcnr rcon rcos rcrd rcsc rcsd rcsl rcss rdoc rdos rdso rlcs rlds rlls rnbr rnco rncs rndc rnds rnld rnod rob- robb robo robs rocc roco rocs rodd rodo rods rold roll rolo ronc rond rono rons roob rood rool roon roor roos rorc roro rosc roso ross rrrr rscc rscn rscs rsdd rsdl rsds rslc rsnn rsno rsnr rsos rssl s-os sbbs sbcc sbcs sbds sbor sbsd sccc sccl sccs scdc scds scl- sclc scls scnd scnr scob scol scon scoo scor scr- scrc scrn scrs scsc scsd scsl scsn scso scsr sdcc sdco sddc sdds sdlc sdls sdrc sdrs sdsc sdsl sdss slcc slcd slds slln slob sloc slod slon sloo slos slrc slrn slrs slsc sncc snco snns snob snoc snod snoo snor snos snrs snsd sobo sobr sobs socl soco socr socs sodd sodo sods sold soll soln solo solr sols son- sond sono sons sood sool soon soor soos sorb sord sorn soro sorr sors soso soss srbc srcc srnn srno sros srsd ssbn ssbr sscc sscs ssdc ssdd sslc ssns ssoc ssrc ssrl ssrs sssb sssc ssss