-ous bbbb bbbs bbdd bbdo bblb bbls bcbc bcbs bccc bccl bccs bcds bcos bcsc bcsl bcss bctc bcts bcuc bdbc bddc bdls bdos bdsd blbt blcu bldc blls blob bloc blod bloo blot blou blss blst blts blub blud blus blut bobb bobo bobs bobu boco bocs bocu bodb bodo bods bodu bold boll bolo bols bolt bolu boob booc bood bool boos boot bosc boso boss bost bosu botb botd boto bots bott boud boul bous bout bsbd bscs bsdl bslc bsod bsos bssc bssd bsts btcc btcl btcs btdt btob btss bttb btus bubb bubo bubs bubu bucc buco bucs bucu budb budd budl budo buds budu bulb buld bull buls bult bulu buol busc buss bust busu but- buto buts butt buus c-bo c-cd cbbc cbbs cbcc cbcl cbcs cbct cbcu cbdb cbdc cbdo cbds cblb cblc cbol cbot cbsc cbtc cbtl cbus ccbc cccb cccc cccl cccs cccu ccdc ccds cclc ccls ccob ccoc ccod ccsd ccsl ccss ccst cctb cctc cctl cctt ccuc ccus ccut cdcs cddb cddl cdls cdos cdot cdss clcd cldc clob clod cloo clos clot clou clsc cltb cltc clts club clud clut cobb cobo cobs cobu coco coct cocu codd codl cods col- colb cold coll colo cols colt colu coob cood cool coos coot cosc cosl coso coss cost cotb cotc coto cots cott cotu coub coud coul cous cout cscb cscc cscd cscl csco cscs csdb csld cslu csob csos csot cssd cstc cstd csto csts csus ctbs ctls ctol ctos ctot ctsc ctss ctsu ctts cub- cubb cubs cucc cuds culb culc culd cull culo culs cult cusb cusd cuso cuss cust cusu cut- cutc cuto cuts cutt d-bo dbcc dbcs dbls dbos dbss dbtt dbus dcbc dccb dccc dccl dccs dcct dccu dcdb dcds dcls dcos dcsc dcss dctc dcts dddd ddlc ddoc ddot ddss ddts ddub dlbd dlco dlcs dlos dlst dobb dobl dobs dobu doco docs doct docu dod- dodd dodo dods dold doll dolo dols dolt dolu doob dood dool doos doot doso doss dost dotd doto dots dott doub douc doud doul dous dout dsbc dscc dscs dsls dsos dssc dsst dstc dsto dsts dtcc dtot dtss dub- dubb dubc dubs dubu duco ducs duct dudd dudo duds dudu dulc dull dulo dult dulu duo- duos dust duts duul duut lbcc lbds lbos lbsc lcbc lccc lccs lcdd lcds lcls lcsc lcsd lctl lcto lcts ldls ldos llbs llcc llcs lldb lldc llds lllc llll lloc llod lloo llud lob- lobb lobo lobs locc loco locs locu lods lold loll lolo lols loob looc lood lool loos loot losc loso loss lost lotd lotl loto lots lott loud loul lous lout louu lsbu lscb lsco lscs lsds lsso lsts ltbl ltcc ltcs ltds lttc ltuc lubs lucs ludd ludo lull lulu luso luss lust luts obbo obdt obls oblu obol obos obot obsd obss obst obtd obts obus ocbc occc occt ocds oclc ocos oct- octo octs ocul odbo oddd odds odoo odos odot odou odso odts odtu odus olbo olcc oldb olds ollo olos olot olst oltu oold oolo oooo ooos oost ootb oots oous oscc oscl osco oslo osoo osos ossb ossd osso ossu ostc osts osul otbd otbs otcd otcl oto- otoo otos otso otsu otto otts ottu otus oubs oucc oudc ouds ould ouls oulu ousd oust out- outb outo outs ouu- s-os sbbs sbcc sbcs sbct sbds sbot sbsd sbst sbtc sbus sccc sccl sccs scct scdc scds scl- sclc scls scob scol scoo scot scsc scsd scsl scso scst scsu sctc sctd sctl scto scts scub scud scul scut sdcc sdco sddc sdds sdlc sdls sdlt sdot sdsc sdsl sdss sdsu slcc slcd slcu slds slob sloc slod sloo slos slot slsc slst slsu slts slub sluc slud slut sobo sobs sobt sobu socl soco socs sodd sodo sods sodu sold soll solo sols solt sood sool soos soot soso soss sost sotc sotl soto sots sotu soud soul sous sout sscc sscs ssdc ssdd sslc sslt ssoc ssot sssb sssc ssss sstb sstc sstd sstl ssts stbc stbd stbs stcc stcs stcu stds stlc stld stlo stlt stob stod stol stoo stos stot stou stss sttc sttd stub stuc stud stul stus stut sub- subb subd subl subo subs suc- succ sucs sudd sudo suds sul- sulc suld sull sulo sult sulu suos sus- susd suso suss sust susu suto sutu suus tbbs tbcb tbcc tbcd tbst tcbs tccc tccu tcdd tcos tctc tcts tcul tddb tdls tdss tlco tlos tobo tobs tobt tobu toco todd todo tods todt todu tol- told toll tolo tolt tolu tood tool toos toot tosb tosc toso toss tost tosu totc totd toto tots tott toul tous tout tsbc tsbd tscc tsdb tsob tsol tsos tsou tsst tstc tsts ttbb ttss tttt ttul tubb tubo tubs tubu tucc tuco tudu tull tulo tulu tuos tusc tusd tuss tust tutl tuto tuts tutt tutu tuuo ubbo ublo ubls uboc ubod ubos ubud ucbc ucdc ucdd ucos ucsb ucsc ucsd ucst ucsu ucut udbc udds udoo udos udot udsd udsl udts ulbc ulcc ulco ullo ulo- uloc ulos ulto ults ultt ulul ulus uocc uolc usbc usbl usbs uscc usco uscs usdc usdl usdo usds usdt uslu usoc usos ussb ussc usss usst ussu ustb ustc usto usts usul usus utsc utsl utto uttu uulu uuoc uuuu