bbbb bbbs bbch bbci bbdd bbdo bbhs bbrc bcbc bcbs bccc bcci bccs bcds bchd bchs bcis bcor bcos bcrs bcsc bcss bd-r bdbc bddc bddh bdhs bdii bdos bdsd bhcc bhhs bhir bhoi bhor bibb bibi bibo bibs bicc bich bici bico bics bidi bido bidr bids bihi bihs biis bio- bioc bioi bios birb bird biri biro birr birs bis- bisc bisd bish biso biss bobb bobi bobo bobs boch boco bocs bodb bodh bodi bodo bods bohd boho bohr bohs boi- boid boii bois boob booc bood booh boor boos bor- bord borh bori boro borr bors bosc bosh bosi boso boss brcb brdo brds brhs bric brid brih brio bris brob broc brod broh broo bror bros brrr brrs brsb brsr bsbd bsci bscs bshs bsic bsod bsos bsrd bssc bssd c-bo c-cd cbbc cbbs cbcc cbcr cbcs cbdb cbdc cbdi cbdo cbds cbhs cbid cbir cbrd cbrh cbsc cbsi ccbc cccb cccc ccci cccs ccdc ccdh ccdi ccdr ccds cchr cchs ccic ccid ccii ccir ccis ccob ccoc ccod ccrc ccri ccrs ccsd ccsi ccss cd-r cdcs cddb cddr cdhs cdic cdii cdio cdis cdos cdrs cdss chch chci chcs chdi chhs chib chic chid chih chir chis choc chod choh choi choo chor chos chrb chrc chrd chro chrr chrs chsc chsh chsi chsr cibc cibi cibo cicc cich cici cico cicr cics cidc cidi cidr cids cihr cihs ciid ciii ciis ciob cior cios cirb circ cirh ciri ciro cirr cirs cis- cisc cisd cish cisr ciss cobb cobh cobi cobo cobs coch coco codd codi cods coho cohs coir cois coob cood cooh coos cor- corb corc cord cori coro corr cors cosc cosh cosi coso coss crbc crcc crcr crdc crhs crib cric cris crob croc crod croh croo cror crss cscb cscc cscd csch csci csco cscr cscs csdb csdr cshs csib csid csio csir csis csob csor csos csrc csrd csrs cssd cssr d-bo dbcc dbcs dbhs dbos dbrs dbss dcbc dccb dccc dcci dccs dcdb dcds dchs dcii dcio dcis dcos dcsc dcss dddd ddoc ddrc ddss dhis dhod dhor dibb dibo dibs dich dici dico didi dido dids diii diis dioc dior dios dird dirr dirs dis- disc disd dish disi diso diss dobb dobi dobs doch doci doco docs dod- dodd dodi dodo dods dohc dohr dohs doid dois doob dood door doos dorc dord dori doro dorr dors dosh dosi doso doss drbc drhs drib dric drih drob drod droh drrs dsbc dscc dsch dscr dscs dsdr dshs dsos dsrc dsri dsrr dssc dssi h-ii hbbs hbcd hbds hbhs hbic hbio hboc hbos hbrs hbss hcbc hcbs hccb hccc hcch hccs hcdr hchi hchs hcis hcrd hcsc hcso hcss hdci hdhs hdoc hdod hdos hdri hdss hhds hhhh hhhs hi-c hibi hicc hich hico hics hidi hids hihc hihi hiho hiis hiob hioc hird hiri hiro hirs hisb hisd hish hiss hobo hobs hoch hocr hocs hodh hodi hodr hods hoho hoid hoir hois hood hoor hoos horc hord hori horo horr hors hosh hoss hrdc hrhs hrib hrid hrob hrod hros hrrc hrso hsbc hscc hsci hshs hsob ibcs ibdo ibid ibis ibos ibrc ibrd ibri ibro ibss icbc icbd icbs iccb iccc icci icco iccr iccs icdc icdd ichc ichd ichi icho ichr ichs icis icoc icod icor icos icrc icrr icrs icsb icsc icsd icsh icsi icsr icss idcr iddo idic idid idio idir idis idoc idos idrc idro idsc idso idss ihcc ihdr ihis ihob ihrc ihrd ihss iicd iiii iiio iiis iioi iioo iios iirc iirs iisc iisd iisi iisr iobi ioci iod- iodd iodo ioii ioio iooi iooo ioos iori iors ioso ircc ircd ircs irdc irdo irds irhs iri- iric irid irio iris irob iroc irod iroh irrc irri irrs isbd iscc iscd isch isci isco iscr iscs isdb isdc isds ishi ishr ishs isic isis iso- isoc isor isos isri issc issh issi isso issr isss obbo obhs obid obis oboi obor obos obrh obri obro obsd obsr obss ocbc occc occi ocds ochi ochs ocis ocos ocro ocrr ocrs odbo odci oddd oddi odds odic odio odir odis odoh odoo odor odos odso ohcc ohhi ohho ohhs ohid ohio ohis ohob ohoh ohos ohso ohss oici oido oids oiii oios oisc oisd oobi oocr oodi ooho oohs ooid oooh oooo ooos oord oosi orbb orbi orbo orbs orch orci orco orcs ordo ords orhs ori- oric orid orio oris oro- oror oros orri orro orrs orsi orso oscc osci osco osdi oshc oshi osho oshs osii osis osoi osoo osor osos osrd osro ossb ossd ossi osso rbbb rbbr rbbs rbds rbhs rbis rboh rbsd rbss rcbc rcbo rccb rccc rccs rcdc rcds rchb rchs rcic rcid rcis rcos rcrd rcsc rcsd rcsi rcss rdhs rdio rdoc rdos rdso rhhs rhib rhio rhob rhoc rhod rhoh rhos rib- ribo ribs ricc rich rico rics ridc ridd ridi rido rids riho rihs riis rios riri rirs risc risd rish risi riso riss rob- robb robi robo robs rocc roch roco rocs rodd rodi rodo rods rohr rohs roid roio roir rois roob rood rooi roor roos rorc rori roro rosc rosh rosi roso ross rrhs rrrr rsbi rscc rsch rscs rsdd rsds rshd rshs rsid rsis rsos s-ib s-ic s-ii s-os sbbs sbcc sbcs sbds sbhc sbhs sbic sbor sbsd sbsi scbi sccc sccs scdc scds sch- schh schi scho schr schs sci- scic scid scio scir scis scob scoh scoo scor scr- scrc scri scrs scsc scsd scsh scsi scso scsr sdcc sdch sdco sddc sdds sdhb sdhd sdhs sdib sdic sdio sdrc sdrs sdsc sdss shbs shcc shhh shhs shib shid shih shii shio shir shis shod shoo shor shos shri shrs shsc sibc sibi sibo sibs sicc sich sici sico sics sidd sidh sidi sido sidr sids sihi sihr sihs siod sior sios sirc siri siro sirr sirs sisc sisd sish sisi siss sobo sobr sobs soch soci soco socr socs sodd sodo sods