bbbb bbbs bbch bbhs bblb bbls bbrc bcbc bcbs bccc bccl bccs bchs bcrs bcru bcsc bcsl bcss bcuc bhcc bhhs bhur bhuu blcu blhs blls blrc blss blub blur blus brcb brhs brls brrr brrs brsb brsr bruc bruh brus bscs bshs bslc bssc bubb bubs bubu bucc buch bucs bucu buhl buhr buhs bulb bull buls bulu bur- burb burh burl burr burs buru busc bush buss busu buus cbbc cbbs cbcc cbcl cbcr cbcs cbcu cbhl cbhs cblb cblc cbrh cbrl cbsc cbus ccbc cccb cccc cccl cccs cccu cchl cchr cchs cclc ccls ccrc ccrl ccrs ccsl ccss ccuc ccus chch chcs chhs chlc chlr chrb chrc chrr chrs chsc chsh chsr chub chul chur chus clhs clrs clsc club cluh crbc crbu crcc crcr crhs crls crss crub crus cscb cscc csch cscl cscr cscs cshl cshs cslr cslu csrc csrs cssr csur csus cub- cubb cubs cucc culb culc cull culs curb curl curr curs cusb cush cuss cusu hbbs hbhs hbrs hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcss hhcl hhhh hhhs hhus hlhs hlss hlul hrbl hrhs hrrc hsbc hscc hshs hsls hsur hubb hubl hubs huch hucs hucu huhs huhu hulc hull huls hulu hurl hurr hurs huru hush huss huub huus lbcc lbhs lblr lbrs lbsc lcbc lccc lccs lchc lchr lchs lcls lcrl lcrs lcsc lcsr lhbs lhhh lhhs lhss llbs llcc llcs llhs lllc llll lrcs lrhs lrrc lrrr ls-r lsbu lscb lscs lshs lsrc lssr lubs luch lucs luhu lull lulu lurs lush luss rbbb rbbr rbbs rbcl rbhs rbsl rbss rcbc rccb rccc rccs rchb rchs rcls rcsc rcsl rcss rhhs rhls rhus rlcs rlls rlsh rrhs rrrr rscc rsch rscs rshs rslc rssl rubb rubs rubu ruch ruhh ruhl ruhr ruhs rull rurc rurs ruru rush russ rusu sbbs sbcc sbcs sbhc sbhs sbus sccc sccl sccs sch- schh schl schr schs scl- sclc scls scr- scrc scrs scsc scsh scsl scsr scsu scub scul scur shbs shcc shhh shhs shl- shls shrs shsc shub shul shur shus shuu slcc slcu slhs slrc slrs slsc slsu slub sluc slur srbc srcc srch srhs srub ssbr sscc sscs sshl sshs sslc ssrc ssrl ssrs sssb sssc sssh ssss sub- subb subh subl subs suc- succ such sucr sucs suhb suhl suhr sul- sulc sulh sull sulu sur- surc surr surs suru sus- suss susu suus ubls ucbc uchs ucrc ucsb ucsc ucsu uhcl uhrs uhss uhuh ulbc ulcc ulch ullr ulul ulus urbs urch urls urrh urss ursu urur urus usbc usbl usbr usbs uscc usch uscs ushr ushs ushu uslu ussb ussc ussr usss ussu usul usus uulu uuuu