-ous bbbb bbbs bblb bbls bbrc bcbc bcbs bccc bccl bccs bcor bcos bcrs bcru bcsc bcsl bcss bctc bcts bcuc blbt blcu blls blob bloc bloo blot blou blrc blss blst blts blub blur blus blut bobb bobo bobs bobu boco bocs bocu boll bolo bols bolt bolu boob booc bool boor boos boot bor- boro borr bors bort boru bosc boso boss bost bosu botb boto bots bott boul bour bous bout brcb brls brob broc brol broo bror bros brot brou brrr brrs brsb brsr brst brtc bruc brus brut bscs bslc bsos bssc bsts btcc btcl btcs btob btor btrc btrt btss bttb btus bubb bubo bubs bubu bucc buco bucs bucu bulb bull buls bult bulu buol bur- burb burl buro burr burs burt buru busc buss bust busu but- buto buts butt buus c-bo cbbc cbbs cbcc cbcl cbcr cbcs cbct cbcu cblb cblc cbol cbot cbrl cbrt cbsc cbtc cbtl cbus ccbc cccb cccc cccl cccs cccu cclc ccls ccob ccoc ccrc ccrl ccrs ccrt ccsl ccss ccst cctb cctc cctl cctt ccuc ccus ccut clob cloo clor clos clot clou clro clrs clsc cltb cltc clts club clut cobb cobo cobs cobu coco coct cocu col- colb coll colo cols colt colu coob cool coos coot cor- corb corc corl coro corr cors cort cosc cosl coso coss cost cotb cotc coto cots cott cotu coub coul cour cous cout crbc crbu crcc crcr crls crob croc crol croo cror crot crrt crss crst crtc crtl crts crub crus crut cscb cscc cscl csco cscr cscs cslr cslu csob csor csos csot csrc csrs cssr cstc csto cstr csts csur csus ctbs ctls ctol ctor ctos ctot ctrc ctrl ctrs ctsc ctss ctsu ctts cub- cubb cubs cucc culb culc cull culo culs cult curb curl curo curr curs curt cusb cuso cuss cust cusu cut- cutc cuto cuts cutt lbcc lblr lbos lbrs lbrt lbsc lcbc lccc lccs lcls lcor lcrl lcrs lcsc lcsr lctl lcto lcts llbs llcc llcs lllc llll lloc lloo lob- lobb lobo lobs locc loco locs locu loll lolo lols loob looc lool loor loos loot loro lors losc loso loss lost lotl loto lotr lots lott loul lour lous lout louu lrcs lroc lrrc lrrr lrst lrts ls-r lsbu lscb lsco lscs lsrc lsso lssr lsts ltbl ltcc ltcs ltrs ltsr lttc lttr ltuc lubs lucs lull lulu lurs lurt luso luss lust luts obbo obls oblu obol obor obos obot obro obsr obss obst obts obus ocbc occc occt oclc ocos ocrl ocro ocrr ocrs oct- octo octs ocul ocur olbo olcc ollo olor olos olot olst oltu olur oocr oolo oooo ooos oort oost ootb oots oous orbb orbo orbs orbu orco orcs orlo orlu oro- oror oros orot orro orrs orso orsu ortc orto orts orub orus oscc oscl osco oslo osoo osor osos osro ossb osso ossu ostc ostr osts osul otbs otcl oto- otoo otor otos otro otrs otso otsu otto otts ottu otur otus oubs oucc ouls oulu our- ouro ours ourt oust out- outb outo outs ouu- rbbb rbbr rbbs rbcl rbsl rbss rbst rcbc rcbo rccb rccc rccs rcls rcos rcsc rcsl rcss rctc rcts rlcs rlls rob- robb robo robs robt robu rocc roco rocs roll rolo rolt roob rool roor roos root rorc roro rort roru rosc roso ross rost rotc rotl roto rotr rots rott roub roul rous rout rrrr rscc rscs rslc rsos rssl rsts rstu rtcc rtls rtlt rtss rtts rubb rubs rubu ruct rull rulo rurc ruro rurs ruru ruso russ rust rusu rutl ruto ruts rutt rutu s-os sbbs sbcc sbcs sbct sbor sbot sbst sbtc sbus sccc sccl sccs scct scl- sclc scls scob scol scoo scor scot scr- scrc scrs scsc scsl scso scsr scst scsu sctc sctl scto sctr scts scub scul scur scut slcc slcu slob sloc sloo slos slot slrc slrs slsc slst slsu slts slub sluc slur slut sobo sobr sobs sobt sobu socl soco socr socs soll solo solr sols solt sool soor soos soot sorb soro sorr sors sort soru soso soss sost sotc sotl soto sots sotu soul sour sous sout srbc srcc srct sros srtr srub ssbr sscc sscs sslc sslt ssoc ssot ssrc ssrl ssrs sssb sssc ssss sstb sstc sstl ssts stbc stbs stcc stcs stcu stlc stlo stlt stob stol stoo stor stos stot stou strc stro strs stru stss sttc sttr stub stuc stul stur stus stut sub- subb subl subo subs suc- succ sucr sucs sul- sulc sull sulo sult sulu suor suos sur- surc suro surr surs surt suru sus- suso suss sust susu suto sutu suus tbbs tbcb tbcc tbrb tbst tcbs tccc tccu tcos tctc tcts tcul tlco tlos tlrs tobo tobs tobt tobu toco tol- toll tolo tolt tolu tool toor toos toot torc toro torr tors tort toru tosb tosc toso toss tost tosu totc toto totr tots tott toul tour tous tout trcc trcl troc troo tros trot trou trst trtc trtr trub truc trus trut truu tsbc tscc tsob tsol tsos tsou tssr tsst tstc tsts ttbb ttss tttt ttul tubb tubo tubr tubs tubu tucc tuco tull tulo tulu tuor tuos turb turc turo turr turs turt turu tusc tuss tust tutl tuto tuts tutt tutu tuuo ubbo ublo ubls uboc ubos ucbc ucos ucrc ucsb ucsc ucst ucsu ucut ulbc ulcc ulco ullo ullr ulo- uloc ulos ulto ults ultt ulul ulus uocc uolc uor- urbs urls uro- urol uroo urso urss ursu urts urur urus urut usbc usbl usbr usbs uscc usco uscs uslu usoc usos ussb ussc ussr usss usst ussu ustb ustc usto usts usul usus utor utsc utsl utto uttu uulu uuoc uuuu