-ous bbbb bbbs bblb bbls bbpr bbrc bcbc bcbp bcbs bccc bccl bccs bcor bcos bcpl bcpp bcps bcrs bcru bcsc bcsl bcss bcuc bcup blcu blls blob bloc bloo blop blou blrc blsp blss blub blup blur blus bobb bobo bobs bobu boco bocs bocu boll bolo bols bolu boob booc bool boop boor boos bopp bops bor- boro borr bors boru bosc boso boss bosu boul boup bour bous bpcp bprc bpsu brcb brlp brls brob broc brol broo bror bros brou brrr brrs brsb brsr bruc brup brus bscp bscs bslc bsos bspp bspr bssc bsup bubb bubo bubs bubu bucc buco bucs bucu bulb bull buls bulu buol bupc bups bur- burb burl buro burp burr burs buru busc buss busu buus c-bo cbbc cbbs cbcc cbcl cbcp cbcr cbcs cbcu cblb cblc cbol cbpc cbpp cbrl cbsc cbus ccbc cccb cccc cccl cccp cccs cccu cclc ccls ccob ccoc ccpl ccpp ccpr ccps ccrc ccrl ccrp ccrs ccsl ccsp ccss ccuc ccup ccus clob cloo clop clor clos clou clpb clpp clro clrs clsc club cobb cobo cobs cobu coco cocp cocu col- colb coll colo colp cols colu coob cool coop coos copo copp copr cops cor- corb corc corl coro corp corr cors cosc cosl coso cosp coss coub coul coup cour cous cpbc cpcs cpcu cplc cpls cpos cpps cprs cpsc cpsl cpso cpsr cpsu cpus crbc crbu crcc crcr crls crob croc crol croo crop cror crpc crps crsp crss crub crup crus cscb cscc cscl csco cscr cscs cslp cslr cslu csob csor csos cspb cspc csps csrc csrs cssr csup csur csus cub- cubb cubs cucc culb culc cull culo culp culs cupl cupo cupp cupr cups curb curl curo curr curs cusb cuso cusp cuss cusu lbcc lblr lbos lbrs lbsc lcbc lccc lccs lcls lcor lcpc lcpl lcps lcrl lcrs lcsc lcsp lcsr llbs llcc llcs lllc llll lloc lloo llps lob- lobb lobo lobs locc loco locs locu loll lolo lols loob looc lool loop loor loos lopp lops lopu loro lors losc loso losp loss loul loup lour lous louu lppl lprp lpsc lpss lrcs lroc lrps lrpu lrrc lrrr ls-r lsbu lscb lsco lscs lspl lspr lsrc lsso lssp lssr lubs lucs lull lulu lupo lupu lurs luso luss luup obbo obls oblu obol obor obos obro obsr obss obus ocbc occc oclc ocos ocpp ocrl ocro ocrr ocrs ocul ocur olbo olcc ollo olor olos olpc olur oocr oolo oooo ooos oops oous opls opo- opor opos oppo opps opsu opus orbb orbo orbs orbu orco orcs orlo orlu oro- oror oros orpc orps orro orrs orso orsu orub orup orus osbp oscc oscl osco oslo osoo osor osos osro ossb osso ossu osul oubs oucc ouls oulu our- ouro ours ouu- pbcc pblu pboc pbrs pbsp pcbc pcbs pccc pccl pccs pcll pclo pcos pcpb pcpp pcps pcrc pcrl pcso plbr plcc plob ploc ploo plop plos plou plpp plss plup plur plus pobo pobs poco pocs poll polo pols polu pool poop poor poos pop- popc popo popp pops porb porc poro porr pors posb poso poss poul poup pour pous ppcc ppcs pplo ppos pppo pppp ppps pprc ppru ppss ppur prbc prbs prcc prcp prcs prlr prls pro- prob proc prol proo prop pros prou prps prrs prsc prsl prso prss prus pruu psbr psco pscu psoc psol psos psou pspp pspr psps psrp pssc psso publ pubs pubu pull pulo pulp puls pulu pupl pups pupu pur- purb purl puro purp purr purs puru puss puuc rbbb rbbr rbbs rbcl rbsl rbsp rbss rcbc rcbo rccb rccc rccs rcls rcos rcpo rcps rcsc rcsl rcss rlcs rlls rob- robb robo robs robu rocc roco rocs roll rolo rolp roob rool roop roor roos ropo rops rorc roro roru rosc roso rosp ross roub roul roup rous rpcs rpls rpob rpos rpps rrrr rrsp rscc rscs rslc rslp rsos rspb rspo rsps rssl rubb rubp rubs rubu rull rulo rupp rurc ruro rurp rurs ruru ruso russ rusu s-os sbbs sbcc sbcs sbor sbsp sbus sccc sccl sccp sccs scl- sclc scls scob scol scoo scop scor scpb scpl scpo scps scr- scrc scrs scsc scsl scso scsr scsu scub scul scup scur slbp slcc slcu sllp slob sloc sloo slop slos slpp slps slrc slrp slrs slsc slsu slub sluc slup slur sobo sobp sobr sobs sobu socl soco socr socs soll solo solp solr sols sool soop soor soos sopo sopp sops sopu sorb soro sorr sors soru soso soss soul soup sour sous spcc spco spcs splc splo splp splr spls spoc spoo spop spor spos spps spro sprs spso spsp spss spur spus srbc srcc sros srpc srps srsp srub ssbr sscc sscp sscs sslc sslp ssoc ssop sspc sspl sspo ssps ssrc ssrl ssrs sssb sssc ssss sub- subb subl subo subs suc- succ sucr sucs sul- sulc sull sulo sulp sulu suor suos sup- supo supp supr sups sur- surc suro surp surr surs suru sus- suso susp suss susu suus u-rp ubbo ublo ubls uboc ubos ubpc ucbc uccp ucos ucpb ucrc ucsb ucsc ucsu ulbc ulcc ulco ullo ullr ulo- uloc ulos ulul ulus uocc uolc uor- upcs uplb uplo upor upos uppc uppp uppu upsc upup urbs urls uro- urol uroo urpo urso urss ursu urup urur urus usbc usbl usbr usbs uscc usco uscs uslp uslu usoc usos uspc uspo uspp usps ussb ussc ussr usss ussu usul usus uucp uulu uuoc uuuu