bbbb bbbs bbci bbdd bbrc bcbc bcbs bccc bcci bccs bcds bcis bcit bcrs bcsc bcss bctc bcts bd-r bdbc bddc bdii bdry bdsd bibb bibi bibs bicc bici bics bidi bidr bids biis birb bird biri birr birs birt biry bis- bisc bisd biss bist bisy bitc bitd bits bitt biys brcb brds brdt brdy bric brid bris brit brrr brrs brsb brsr brst brtc bry- bryd bsbd bsci bscs bsic bsrd bssc bssd bsts btcc btcs btdt btrc btrt btry btss bttb byit byrd byrt bysb bysi byss byst bysy byts byyd c-cd cbbc cbbs cbcc cbcr cbcs cbct cbdb cbdc cbdi cbds cbid cbir cbit cbrd cbrt cbry cbsc cbsi cbtc cbyt ccbc cccb cccc ccci cccs ccdc ccdi ccdr ccds ccic ccid ccii ccir ccis ccrc ccri ccrs ccrt ccsd ccsi ccss ccst cctb cctc cctt cd-r cdcs cddb cddr cdic cdii cdis cdrs cdss cibc cibi cicc cici cicr cics cict cidc cidi cidr cids cidt ciid ciii ciis ciit cirb circ ciri cirr cirs cirt cis- cisc cisd cisr ciss cist cisy citb citi cits citt city crbc crcc crcr crdc crib cric cris crit crrt crss crst crtc crts cry- cryb crys cscb cscc cscd csci cscr cscs csdb csdr csib csid csir csis csit csrc csrd csrs cssd cssr cstc cstd cstr csts csys ctbi ctbs ctic ctrc ctrs ctsc ctss ctts cybb cybc cybi cyc- cycb cycc cycs cyds cyrs cyrt cyst cyt- cytb cyy- cyyc dbcc dbcs dbit dbrs dbss dbtt dc-y dcbc dccb dccc dcci dccs dcct dcdb dcds dcii dcis dcsc dcss dctc dcts dddd ddrc ddry ddss ddts dibb dibs diby dici dict dicy didi dids didy diii diis dird dirr dirs dirt dis- disc disd disi diss dist disy diti dits ditt diyi drbc drib dric drit drrs dry- drys dsbc dscc dscr dscs dsdr dsrc dsri dsrr dssc dssi dsst dstc dsts dtcc dtss dybt dycd dydd dyit dyr- dyrb dyrc dyri dyrt dys- dysi dysr dyss dyst dyt- dytc dyty dyyr i-by ibcs ibid ibis ibrc ibrd ibri ibss ibtb ibtc ibts ibyi icbc icbd icbs iccb iccc icci iccr iccs icct icdc icdd icis icrc icrr icrs icrt icry icsb icsc icsd icsi icsr icss icst icts idcr idic idid idir idis idrc idsc idss idts iicd iiii iiis iiit iirc iirs iisc iisd iisi iisr iist iitr iitt irby ircc ircd ircs irdc irds iri- iric irid iris iriy irrc irri irrs irti irts isbd isbt iscc iscd isci iscr iscs isct isdb isdc isds isic isis isit isri issc issi issr isss issy istc istd isti istr ists isty isys itbs itby itcs itic itis itri itrs itry itsi itsy itty rbbb rbbr rbbs rbds rbis rbsd rbss rbst rcbc rccb rccc rccs rcdc rcds rcic rcid rcis rcrd rcsc rcsd rcsi rcss rctc rcti rcts rcyc rib- ribs riby ricc rics rict ridc ridd ridi rids riis riri rirs risc risd risi riss rist riti rits ritt rrrr rsbi rscc rscs rscy rsdd rsds rsid rsis rsts rtcc rtdt rtss rtts rydy ryis rysy rytt ryyt s-ib s-ic s-ii sbbs sbcc sbcs sbct sbds sbic sbsd sbsi sbst sbtc scbi sccc sccs scct sccy scdc scds sci- scic scid scir scis scit scr- scrc scri scrs scry scsc scsd scsi scsr scst sctc sctd sctr scts sdcc sddc sdds sdib sdic sdrc sdrs sdry sdsc sdss sibc sibi sibs siby sicc sici sics sidd sidi sidr sids sidy siit sirc siri sirr sirs sirt sisc sisd sisi siss sist sisy sit- sitc sitd siti sits sitt sity siyi srbc srby srcc srct srib sris srsd srtr ssbr ssby sscc ssci sscs ssdc ssdd ssid ssis ssit ssrc ssri ssrs sssb sssc sssi ssss sstb sstc sstd ssts stbc stbd stbs stcc stcs stds stib stic stid stir stis stit strc strd stri strs stry stsi stss sttc sttd sttr styd styr stys sycr sydi syds syis syrs syrt syry syss syst sytt tbbs tbcb tbcc tbcd tbit tbrb tbst tcbs tcby tccc tcdd tctc tcts tddb tdis tdri tdss tibi tibs ticc tics tidc tidd tids tidy tiit tirb tird tiri tirr tirs tiry tisb tisi tiss tist titc titi tits titt tiyi trcc tri- trib tric tris trit trsd trsi trst trtc trtr try- tryb trys tsbc tsbd tscc tsdb tsid tsis tssi tssr tsst tstc tsts tsys ttbb ttss tttt ttyd ttys tybi tydd tydi tydy tyir tyr- tyrr tyss tyst tytd tyti tytt tyty ybbs ybry yccc ycsb yctc ydyt yidi yids yirb yird yirr yiss yist yiti ysby ysii ysyb yyyy