bbbb bbbs bbch bbci bbdd bbhs bbrc bcbc bcbs bccc bcci bccs bcds bchd bchs bcis bcit bcrs bcsc bcss bctc bcts bd-r bdbc bddc bddh bdhs bdii bdsd bhcc bhhs bhir bhit bhrt bibb bibi bibs bicc bich bici bics bidi bidr bids bihi bihs biis birb bird biri birr birs birt bis- bisc bisd bish biss bist bitc bitd bith bits bitt brcb brds brdt brhs bric brid brih bris brit brrr brrs brsb brsr brst brtc bsbd bsci bscs bshs bsic bsrd bssc bssd bsts btcc btcs btdt bths btrc btrt btss bttb c-cd cbbc cbbs cbcc cbcr cbcs cbct cbdb cbdc cbdi cbds cbhs cbid cbir cbit cbrd cbrh cbrt cbsc cbsi cbtc ccbc cccb cccc ccci cccs ccdc ccdh ccdi ccdr ccds cchr cchs ccic ccid ccii ccir ccis ccrc ccri ccrs ccrt ccsd ccsi ccss ccst cctb cctc cctt cd-r cdcs cddb cddr cdhs cdic cdii cdis cdrs cdss chch chci chcs chdi chhs chib chic chid chih chir chis chit chrb chrc chrd chrr chrs chrt chsc chsh chsi chsr chst chtr chtt cibc cibi cicc cich cici cicr cics cict cidc cidi cidr cids cidt cihr cihs ciht ciid ciii ciis ciit cirb circ cirh ciri cirr cirs cirt cis- cisc cisd cish cisr ciss cist citb cith citi cits citt crbc crcc crcr crdc crhs crib cric cris crit crrt crss crst crtc crts cscb cscc cscd csch csci cscr cscs csdb csdr cshs csib csid csir csis csit csrc csrd csrs cssd cssr cstc cstd cstr csts ctbi ctbs cths ctic ctrc ctrs ctsc ctss ctts dbcc dbcs dbhs dbit dbrs dbss dbtt dcbc dccb dccc dcci dccs dcct dcdb dcds dchs dcii dcis dcsc dcss dctc dcts dddd ddrc ddss ddts dhis dibb dibs dich dici dict didi dids diii diis dird dirr dirs dirt dis- disc disd dish disi diss dist dith diti dits ditt drbc drhs drib dric drih drit drrs dsbc dscc dsch dscr dscs dsdr dshs dsrc dsri dsrr dssc dssi dsst dstc dsts dtcc dthd dtss h-ii hbbs hbcd hbds hbhs hbic hbit hbrs hbss hcbc hcbs hccb hccc hcch hccs hcdr hchi hchs hcis hcrd hcsc hcss hcst hdci hdhs hdri hdss hdtt hhds hhhh hhhs hi-c hibi hibt hicc hich hics hidi hids hihc hihi hiht hiis hiit hird hiri hirs hirt hisb hisd hish hiss hist hitc hiti hits hitt hrdc hrhs hrib hrid hrit hrrc hrtb hsbc hscc hsci hsct hshs hsts htcc hths htsc httr ibcs ibid ibis ibrc ibrd ibri ibss ibtb ibtc ibts icbc icbd icbs iccb iccc icci iccr iccs icct icdc icdd ichc ichd ichi ichr ichs icis icrc icrr icrs icrt icsb icsc icsd icsh icsi icsr icss icst icts idcr idic idid idir idis idrc idsc idss idts ihcc ihdr ihis ihit ihrc ihrd ihss ihtc iicd iiht iiii iiis iiit iirc iirs iisc iisd iisi iisr iist iitr iitt ircc ircd ircs irdc irds irhs iri- iric irid iris irrc irri irrs irti irts isbd isbt iscc iscd isch isci iscr iscs isct isdb isdc isds ishi ishr ishs isic isis isit isri issc issh issi issr isss istc istd isth isti istr ists itbs itch itcs ithc iths itic itis itri itrs itsi rbbb rbbr rbbs rbds rbhs rbis rbsd rbss rbst rcbc rccb rccc rccs rcdc rcds rchb rchs rcic rcid rcis rcrd rcsc rcsd rcsi rcss rctc rcti rcts rdhs rhhs rhib rib- ribs ricc rich rics rict ridc ridd ridi rids rihs riht riis riri rirs risc risd rish risi riss rist rith riti rits ritt rrhs rrrr rsbi rscc rsch rscs rsdd rsds rshd rshs rsid rsis rsts rtcc rtdt rths rtss rtts s-ib s-ic s-ii sbbs sbcc sbcs sbct sbds sbhc sbhs sbic sbsd sbsi sbst sbtc scbi sccc sccs scct scdc scds sch- schh schi schr schs sci- scic scid scir scis scit scr- scrc scri scrs scsc scsd scsh scsi scsr scst sctc sctd sctr scts sdcc sdch sddc sdds sdhb sdhd sdhs sdib sdic sdrc sdrs sdsc sdss shbs shbt shcc shhh shhs shib shid shih shii shir shis shit shri shrs shsc shts sibc sibi sibs sicc sich sici sics sidd sidh sidi sidr sids sihi sihr sihs siht siit sirc siri sirr sirs sirt sisc sisd sish sisi siss sist sit- sitc sitd sith siti sits sitt srbc srcc srch srct srhs srib sris srsd srtr ssbr sscc ssci sscs ssdc ssdd sshs ssid ssis ssit ssrc ssri ssrs sssb sssc sssh sssi ssss sstb sstc sstd ssth ssts stbc stbd stbs stcc stch stcs stds sths stib stic stid stih stir stis stit strc strd stri strs stsi stss sttc sttd sttr tbbs tbcb tbcc tbcd tbhs tbit tbrb tbst tcbs tccc tcdd tch- tchh tchi tchr tchs tcsh tctc tcts tddb tdhs tdis tdri tdss thbs thch thdr thds thi- thic thir this thri thsd thsr thss thtb thtr thts tibi tibs ticc tich tics tidc tidd tids tiht tiit tirb tird tiri tirr tirs tisb tish tisi tiss tist titc tith titi tits titt trcc trhs tri- trib tric tris trit trsd trsi trst trtc trtr tsbc tsbd tscc tsdb tshb tshi tshs tsid tsis tssi tssr tsst tstc tsts ttbb ttss tttt