bbbb bbbs bbch bbci bbdd bbhs bbrc bcbc bcbs bccc bcci bccs bcds bchd bchs bcis bcrs bcru bcsc bcss bcuc bd-r bdbc bddc bddh bdhs bdii bdsd bhcc bhhs bhir bhur bhuu bibb bibi bibs bicc bich bici bics bidi bidr bids bidu bihi bihs bihu biis birb bird biri birr birs biru bis- bisc bisd bish biss bisu brcb brds brhs bric brid brih bris brrr brrs brsb brsr bruc brud bruh brus bsbd bsci bscs bshs bsic bsrd bssc bssd bubb bubi bubs bubu bucc buch buci bucs bucu budb budd budi buds budu buhi buhr buhs buic buid buir buis buiu bur- burb burd burh buri burr burs buru busc bush busi buss busu buus c-cd cbbc cbbs cbcc cbcr cbcs cbcu cbdb cbdc cbdi cbds cbhs cbid cbir cbrd cbrh cbsc cbsi cbus ccbc cccb cccc ccci cccs cccu ccdc ccdh ccdi ccdr ccds cchr cchs ccic ccid ccii ccir ccis ccrc ccri ccrs ccsd ccsi ccss ccuc ccus cd-r cdcs cddb cddr cdhs cdic cdii cdis cdrs cdss chch chci chcs chdi chhs chib chic chid chih chir chis chiu chrb chrc chrd chrr chrs chsc chsh chsi chsr chub chud chui chur chus cibc cibi cicc cich cici cicr cics cicu cidc cidi cidr cids cihr cihs ciid ciii ciis cirb circ cirh ciri cirr cirs cis- cisc cisd cish cisr ciss ciuc cius crbc crbu crcc crcr crdc crhs crib cric cris criu crss crub crud crus cscb cscc cscd csch csci cscr cscs csdb csdr cshs csib csid csir csis csrc csrd csrs cssd cssr csur csus cub- cubb cubi cubs cucc cuci cudi cuds cui- cuir cuis curb curd curi curr curs cusb cusd cush cuss cusu dbcc dbcs dbhs dbrs dbss dbus dcbc dccb dccc dcci dccs dccu dcdb dcds dchs dcii dcis dcsc dcss dddd ddrc ddss ddub dhis dhur dibb dibs dich dici didi dids didu dihu diii diis dird dirr dirs dis- disc disd dish disi diss dius drbc drhs drib dric drih drrs drub drui drus druu dsbc dscc dsch dscr dscs dsdr dshs dsrc dsri dsrr dssc dssi dub- dubb dubc dubh dubs dubu duch ducs dudd duds dudu duhr duhs duhu duid duir duis duri duru dush dusi duur h-ii hbbs hbcd hbds hbhs hbic hbrs hbss hcbc hcbs hccb hccc hcch hccs hcdr hchi hchs hcis hcrd hcsc hcss hdci hdhs hdri hdss hhds hhhh hhhs hhus hi-c hibi hibu hicc hich hics hidi hids hihc hihi hiis hiiu hird hiri hirs hiru hisb hisd hish hiss hrdc hrhs hrib hrid hrrc hrud hsbc hscc hsci hshs hsur hubb hubi hubs huch hucs hucu hudd hudi huds hudu huhi huhs huhu huib huid huir huis hurd huri hurr hurs huru hush husi huss huub huus ibcs ibid ibis ibrc ibrd ibri ibss ibus icbc icbd icbs iccb iccc icci iccr iccs iccu icdc icdd ichc ichd ichi ichr ichs ichu icis icrc icrr icrs icru icsb icsc icsd icsh icsi icsr icss icub icus idcr idic idid idir idis idrc idsc idss idub idus ihcc ihdr ihis ihrc ihrd ihss ihub ihud iicd iiii iiis iirc iirs iisc iisd iisi iisr iisu iiuc ircc ircd ircs ircu irdc irds irhs iri- iric irid iris irrc irri irrs irus isbd iscc iscd isch isci iscr iscs iscu isdb isdc isds ishi ishr ishs isic isis isri issc issh issi issr isss issu isuh isus iucc iuds iuiu iusd iuss rbbb rbbr rbbs rbds rbhs rbis rbsd rbss rcbc rccb rccc rccs rcdc rcds rchb rchs rcic rcid rcis rcrd rcsc rcsd rcsi rcss rdhs rhhs rhib rhus rib- ribs ribu ricc rich rics ridc ridd ridi rids rihs riis riri rirs risc risd rish risi riss risu rius rrhs rrrr rsbi rscc rsch rscs rsdd rsds rshd rshs rsid rsis rubb rubi rubs rubu ruch ruci rudd rudi ruds ruhh ruhi ruhr ruhs ruid ruis rurc rurd ruri rurs ruru rush rusi russ rusu ruud s-ib s-ic s-ii sbbs sbcc sbcs sbds sbhc sbhs sbic sbsd sbsi sbus scbi sccc sccs scdc scds sch- schh schi schr schs sci- scic scid scir scis scr- scrc scri scrs scsc scsd scsh scsi scsr scsu scub scud scur sdcc sdch sddc sdds sdhb sdhd sdhs sdib sdic sdrc sdrs sdsc sdss sdsu shbs shcc shhh shhs shib shid shih shii shir shis shiu shri shrs shsc shub shud shui shur shus shuu sibc sibi sibs sibu sicc sich sici sics sicu sidd sidh sidi sidr sids sihi sihr sihs sihu sirc siri sirr sirs siru sisc sisd sish sisi siss sisu siui sius srbc srcc srch srhs srib sris srsd srub ssbr sscc ssci sscs ssdc ssdd sshs ssid ssis ssrc ssri ssrs sssb sssc sssh sssi ssss sub- subb subd subh subi subs suc- succ such suci sucr sucs sudd sudh sudi suds suhb suhi suhr suid suir suis sur- surc surd suri surr surs suru sus- susd susi suss susu suus ubbi ubic ubid ubii ubir ubis ubud ucbc ucci ucdc ucdd uchi uchs ucrc ucsb ucsc ucsd ucsu udbc uddi udds udic udid udir udsd uh-d uhid uhrs uhss uhuh uirr uisd urbi urbs urch urci urds urdu urib uric uris uriu urrh urri ursi urss ursu urur urus usbc usbr usbs uscc usch uscs usdc usds ushi ushr ushs ushu usis ussb ussc ussr usss ussu usui usus uuri uusi uuuu