bbbb bbbs bbci bbdd bcbc bcbs bccc bcci bccs bcds bcis bcsc bcss bcuc bdbc bddc bdii bdsd bibb bibi bibs bicc bici bics bidi bids bidu biis bis- bisc bisd biss bisu bivi bsbd bsci bscs bsic bssc bssd bubb bubi bubs bubu bucc buci bucs bucu budb budd budi buds budu buic buid buis buiu busc busi buss busu buus buvd bvds bvdu bvsc c-cd cbbc cbbs cbcc cbcs cbcu cbdb cbdc cbdi cbds cbid cbsc cbsi cbus cbvb ccbc cccb cccc ccci cccs cccu cccv ccdc ccdi ccds ccic ccid ccii ccis cciv ccsd ccsi ccss ccuc ccus ccvi ccvs cdcs cddb cdic cdii cdis cdiv cdss cdvd cdvi cibc cibi cicc cici cics cicu cidc cidi cids ciid ciii ciis cis- cisc cisd ciss cisv ciuc cius civc cscb cscc cscd csci cscs csdb csib csid csis cssd csus cub- cubb cubi cubs cucc cuci cudi cuds cui- cuis cusb cusd cuss cusu cvbs cvcc cvid cvii cvsd cvss dbcc dbcs dbss dbus dcbc dccb dccc dcci dccs dccu dccv dcdb dcds dcii dcis dciv dcsc dcss dcvd dcvi dddd ddss ddub dibb dibs dici didi dids didu diii diis diiv dis- disc disd disi diss dius divd divi divs dsbc dscc dscs dssc dssi dsvd dub- dubb dubc dubs dubu ducs dudd duds dudu duid duis dusi dvbs dvcs dvds dvi- dvii ibcs ibid ibis ibss ibus icbc icbd icbs iccb iccc icci iccs iccu icdc icdd icis icsb icsc icsd icsi icss icub icus idic idid idis idsc idss idub idus idvd iicd iiii iiis iisc iisd iisi iisu iiuc isbd iscc iscd isci iscs iscu isdb isdc isds isic isis issc issi isss issu isus iucc iucv iuds iuiu iusd iuss ivbv ivic s-ib s-ic s-ii s-iv sbbs sbcc sbcs sbds sbic sbsd sbsi sbus scbi sccc sccs scdc scds sci- scic scid scis sciv scsc scsd scsi scsu scub scud sdcc sdcv sddc sdds sdib sdic sdsc sdss sdsu sibc sibi sibs sibu sicc sici sics sicu sidd sidi sids sisc sisd sisi siss sisu siui sius sivi sscc ssci sscs ssdc ssdd ssid ssis sssb sssc sssi ssss sub- subb subd subi subs suc- succ suci sucs sudd sudi suds suid suis sus- susd susi suss susu suus suvi suvs svcc svcs svic svsc ubbi ubic ubid ubii ubis ubud ucbc ucci ucdc ucdd ucsb ucsc ucsd ucsu udbc uddi udds udic udid udsd uisd usbc usbs uscc uscs usdc usds usis ussb ussc usss ussu usui usus uusi uuuu uv-b uv-c uvic uvid uvis uvvu vbcc vcbi vcci vcds vdcc vdsi vdub vibs vic- vici vics vidi vids viii visc visd visi viss visu vivi vsic vssc vudi vudu vvsb vvvv