bbbb bbbs bbci bblb bbls bcbc bcbs bccc bcci bccl bccs bcis bcsc bcsl bcss bcuc bibb bibi bibl bibs bicc bici bics biis bili bill bils bilu bis- bisc bisl biss bisu blcu blic blis blls blss blub blus bsci bscs bsic bslc bssc bubb bubi bubs bubu bucc buci bucs bucu buic buis buiu bulb buli bull buls bulu busc busi buss busu buus cbbc cbbs cbcc cbcl cbcs cbcu cblb cblc cbsc cbsi cbus ccbc cccb cccc ccci cccl cccs cccu ccic ccii ccil ccis cclc ccli ccls ccsi ccsl ccss ccuc ccus cibc cibi cicc cici cics cicu ciii ciis cili cill cils cis- cisc cisl ciss ciuc cius clib clic clii clis clsc club cscb cscc csci cscl cscs csib csis cslu csus cub- cubb cubi cubs cucc cuci cui- cuil cuis culb culc cull culs cusb cuss cusu ibcs ibis ibss ibus icbc icbs iccb iccc icci iccl iccs iccu icis icll icsb icsc icsi icss icub icus iiii iiis iisc iisi iisu iiuc ilbc ilic ilis ill- illi ills ilus isbl iscc isci iscs iscu isic isil isis isls issc issi isss issu isus iucc iuiu iuss lbcc lbsc lcbc lccc lccs lcis lcls lcsc libc libs libu lics liii liis lilb lili lill lils lilu lisi liss lisu lius llbs llcc llcs lllc llll lsbu lscb lscs lubs luci lucs luis luli lull lulu lusi luss s-ib s-ic s-ii sbbs sbcc sbcs sbic sbsi sbus scbi sccc sccl sccs sci- scic scil scis scl- sclc scls scsc scsi scsl scsu scub scul sibc sibi sibs sibu sicc sici sics sicu sil- silc sili sill sils silu sisc sisi siss sisu siui sius sl-i slcc slcu slib slic slsc slsu slub sluc sscc ssci sscs ssis sslc sssb sssc sssi ssss sub- subb subi subl subs suc- succ suci sucs suis sul- sulc suli sull sulu sus- susi suss susu suus ubbi ubic ubii ubis ubli ubls ucbc ucci ucil ucsb ucsc ucsu ulbc ulcc ulic ulli ulul ulus usbc usbl usbs uscc uscs usis uslu ussb ussc usss ussu usui usul usus uulu uusi uuuu