bbbb bbbs bbci bbdd bbin bblb bbls bbrc bcbc bcbs bccc bcci bccl bccs bcds bcis bcrs bcsc bcsl bcsn bcss bd-r bdbc bddc bdii bdin bdls bdsd bibb bibi bibl bibs bicc bici bics bidi bidr bids biin biis bild bili bill bils bin- binc bind bini binn bins birb bird biri birl birn birr birs bis- bisc bisd bisl biss bldc bldr blic blin blir blis blls blni blrc blss bnib bnin bnrr bnss brcb brds bric brid bril brin bris brls brns brrr brrs brsb brsr bsbd bsci bscs bsdl bsic bsin bslc bsnd bsns bsrd bssc bssd c-cd cbbc cbbs cbcc cbcl cbcn cbcr cbcs cbdb cbdc cbdi cbdn cbds cbid cbir cblb cblc cbln cbnd cbrd cbrl cbrn cbsc cbsi cbsn ccbc ccbn cccb cccc ccci cccl cccs ccdc ccdi ccdn ccdr ccds ccic ccid ccii ccil ccir ccis cclc ccli ccls ccnb ccnc ccni ccnr ccns ccrc ccri ccrl ccrs ccsd ccsi ccsl ccsn ccss cd-r cdcs cddb cddl cddr cdic cdii cdis cdli cdls cdnb cdnc cdrs cdss cibc cibi cicc cici cicr cics cidc cidi cidr cids ciid ciii ciis cili cill cils cin- cinc cind cini cirb circ ciri cirl cirr cirs cis- cisc cisd cisl cisn cisr ciss clcd cldc cldr clib clic clii clin clir clis clrd clri clrs clsc cnbc cnbl cnci cndd cnib cnic cnid cnrc cnrr cnsl cnss crbc crcc crcr crdc crib cric crin cris crls crns crss cscb cscc cscd csci cscl cscr cscs csdb csdn csdr csib csid csir csis csld cslr csrc csrd csrs cssd cssr dbcc dbcs dbls dbnl dbrn dbrs dbss dcbc dccb dccc dcci dccl dccs dcdb dcds dcii dcil dcis dcli dcls dcns dcsc dcss dddd ddlc ddrc ddss dibb dibs dici didi dids diii diis dili dill dils din- dinc dini dinn dins dird dirl dirr dirs dis- disc disd disi diss dlbd dlcs dlib dlii dlil dlis dlrs dncs dnic dnis dnrc dnsc drbc drib dric dril drin drrs dsbc dscc dscn dscr dscs dsdr dsls dsrc dsri dsrr dssc dssi dssn ibcs ibid ibis ibns ibrc ibrd ibri ibsn ibss icbc icbd icbs iccb iccc icci iccl iccn iccr iccs icdc icdd icdl icis icll iclr icnb icnc icns icrc icrr icrs icsb icsc icsd icsi icsr icss idcr idic idid idil idin idir idis idli idls idrc idsc idss iicd iiii iiis iirc iirs iisc iisd iisi iisr ilbc ilcd ilic ilin ilir ilis ill- illd illi ills ilni inbd incb incd inci incl incr incs ind- indc indi inds inid inis inni innr inns inri inrs insc inss ircc ircd ircs irdc irds iri- iric irid iril irin iris irlb irrc irri irrs isbd isbl isbn iscc iscd isci iscn iscr iscs isdb isdc isdn isds isic isil isin isis isls isri issc issi issr isss lbcc lbds lblr lbrs lbsc lcbc lccc lccs lcdd lcdr lcds lcis lcls lcrd lcrl lcrs lcsc lcsd lcsr ldci ldls ldrs libc libr libs licr lics lidb lidl lids liii liin liir liis lilb lili lill lils linc lind linn lins lirc lird liri lirl lirn lirr lirs lisd lisi liss llbs llcc llcs lldb lldc llds lllc llll lncr lndn lrcs lrdd lrds lric lrrc lrrr ls-r lscb lscs lsds lsid lsrc lssr n-ii nbbc nbcc nbci nbcs nbic ncbc ncbi ncbs nccc ncci nccn nccr nccs ncdc ncdn ncdr ncds ncid ncis nclc ncln nclr ncnc ncnd ncrc ncri ncsc ncsi ncsl ncss ndcc ndcs nddb ndic ndls ndrc ndri ndsi ndsl ndss nibi nibs nicc nicd nici nicl nics nidd nidi nids niir nild nili nill nils nind nini ninl nins nirs nisd nisi nisl niss nlcc nlcs nlic nlls nlrb nlsc nndb nnls nnnn nnsl nnss nrcs nrdc nrds nric nrlb nrrc nrrd nrrl nrsc nscc nscd nscl nscs nsdl nsds nsic nsin nsis nslr nsls nsnr nsrc nsrd nsrl nssb nssc nssr nsss rbbb rbbr rbbs rbcl rbds rbis rbsd rbsl rbss rcbc rccb rccc rccs rcdc rcds rcic rcid rcis rcls rcnl rcnr rcrd rcsc rcsd rcsi rcsl rcss rib- ribs ricc rics ridc ridd ridi rids riin riis rill rind rinn riri rirs risc risd risi riss rlcs rlds rlin rlls rnbr rncs rndc rnds rnin rnld rnli rrrr rsbi rscc rscn rscs rsdd rsdl rsds rsid rsis rslc rsnn rsnr rssl s-ib s-ic s-ii sbbs sbcc sbcs sbds sbic sbsd sbsi scbi sccc sccl sccs scdc scds sci- scic scid scil scin scir scis scl- sclc scls scnd scnr scr- scrc scri scrn scrs scsc scsd scsi scsl scsn scsr sdcc sddc sdds sdib sdic sdlc sdls sdrc sdrs sdsc sdsl sdss sibc sibi sibs sicc sici sics sidd sidi sidr sids sil- silc sild sili sill sils sind sini sinn sins sirc siri sirr sirs sisc sisd sisi siss sl-i slcc slcd slds slib slic slid slir slln slrc slrn slrs slsc sncc snib snid snir snns snrs snsd srbc srcc srib sris srni srnn srsd ssbn ssbr sscc ssci sscs ssdc ssdd ssid ssin ssis sslc ssns ssrc ssri ssrl ssrs sssb sssc sssi ssss