bbbb bbbs bbci bbdd bbrc bcbc bcbs bccc bcci bccs bcds bcis bcrs bcsc bcss bd-r bdbc bddc bdii bdry bdsd bibb bibi bibs bicc bici bics bidi bidr bids biis birb bird biri birr birs biry bis- bisc bisd biss bisy biys brcb brds brdy bric brid bris brrr brrs brsb brsr bry- bryd bsbd bsci bscs bsic bsrd bssc bssd byrd bysb bysi byss bysy byyd c-cd cbbc cbbs cbcc cbcr cbcs cbdb cbdc cbdi cbds cbid cbir cbrd cbry cbsc cbsi ccbc cccb cccc ccci cccs ccdc ccdi ccdr ccds ccic ccid ccii ccir ccis ccrc ccri ccrs ccsd ccsi ccss cd-r cdcs cddb cddr cdic cdii cdis cdrs cdss cibc cibi cicc cici cicr cics cidc cidi cidr cids ciid ciii ciis cirb circ ciri cirr cirs cis- cisc cisd cisr ciss cisy crbc crcc crcr crdc crib cric cris crss cry- cryb crys cscb cscc cscd csci cscr cscs csdb csdr csib csid csir csis csrc csrd csrs cssd cssr csys cybb cybc cybi cyc- cycb cycc cycs cyds cyrs cyy- cyyc dbcc dbcs dbrs dbss dc-y dcbc dccb dccc dcci dccs dcdb dcds dcii dcis dcsc dcss dddd ddrc ddry ddss dibb dibs diby dici dicy didi dids didy diii diis dird dirr dirs dis- disc disd disi diss disy diyi drbc drib dric drrs dry- drys dsbc dscc dscr dscs dsdr dsrc dsri dsrr dssc dssi dycd dydd dyr- dyrb dyrc dyri dys- dysi dysr dyss dyyr i-by ibcs ibid ibis ibrc ibrd ibri ibss ibyi icbc icbd icbs iccb iccc icci iccr iccs icdc icdd icis icrc icrr icrs icry icsb icsc icsd icsi icsr icss idcr idic idid idir idis idrc idsc idss iicd iiii iiis iirc iirs iisc iisd iisi iisr irby ircc ircd ircs irdc irds iri- iric irid iris iriy irrc irri irrs isbd iscc iscd isci iscr iscs isdb isdc isds isic isis isri issc issi issr isss issy isys rbbb rbbr rbbs rbds rbis rbsd rbss rcbc rccb rccc rccs rcdc rcds rcic rcid rcis rcrd rcsc rcsd rcsi rcss rcyc rib- ribs riby ricc rics ridc ridd ridi rids riis riri rirs risc risd risi riss rrrr rsbi rscc rscs rscy rsdd rsds rsid rsis rydy ryis rysy s-ib s-ic s-ii sbbs sbcc sbcs sbds sbic sbsd sbsi scbi sccc sccs sccy scdc scds sci- scic scid scir scis scr- scrc scri scrs scry scsc scsd scsi scsr sdcc sddc sdds sdib sdic sdrc sdrs sdry sdsc sdss sibc sibi sibs siby sicc sici sics sidd sidi sidr sids sidy sirc siri sirr sirs sisc sisd sisi siss sisy siyi srbc srby srcc srib sris srsd ssbr ssby sscc ssci sscs ssdc ssdd ssid ssis ssrc ssri ssrs sssb sssc sssi ssss sycr sydi syds syis syrs syry syss ybbs ybry yccc ycsb yidi yids yirb yird yirr yiss ysby ysii ysyb yyyy