-ous bbbb bbbs bbrc bbrg bcbc bcbg bcbs bccc bccs bcgs bcor bcos bcrs bcru bcsc bcss bctc bcts bcuc bggs bgst bobb bobo bobs bobu boco bocs bocu bogg bogo bogs bogt boob booc boog boor boos boot bor- borg boro borr bors bort boru bosc boso boss bost bosu botb boto bots bott bour bous bout brcb brob broc brog broo bror bros brot brou brrr brrs brsb brsr brst brtc bruc brug brus brut bscs bsgs bsos bssc bsts btcc btcs btob btor btrc btrt btss bttb btus bubb bubo bubs bubu bucc buco bucs bucu bugg bugo bugs bur- burb burg buro burr burs burt buru busc buss bust busu but- buto buts butt buus c-bo cbbc cbbs cbcc cbcr cbcs cbct cbcu cbgb cbot cbrt cbsc cbtc cbus ccbc cccb cccc cccs cccu ccgc ccgs ccgt ccob ccoc ccrc ccrg ccrs ccrt ccsg ccss ccst cctb cctc cctt ccuc ccus ccut cgcc cgcg cggs cgro cgsb cgss cgst cgtu cobb cobo cobs cobu coco coct cocu cogo cogs coob coos coot cor- corb corc corg coro corr cors cort cosc coso coss cost cotb cotc coto cots cott cotu coub cour cous cout crbc crbu crcc crcr crgs crob croc croo cror crot crrt crss crst crtc crts crub crug crus crut cscb cscc csco cscr cscs csob csor csos csot csrc csrs cssr cstc cstg csto cstr csts csur csus ctbs ctgu ctor ctos ctot ctrc ctrs ctsc ctss ctsu ctts cub- cubb cubs cucc curb curo curr curs curt cusb cusg cuso cuss cust cusu cut- cutc cuto cuts cutt gbbo gbbs gc-c gcbc gccc gccs gcos gcrg gcss gcst gcsu gctc gcts ggbt gggg ggss gobo gobs gocr gogo gogs goog goor goos goot gorb gorg goro gorr gors gort goso goss gost gosu goto gots gott gou- goug gour gous gout grbr grcc grob groc grog groo gror gros grot grou grrr grrs grss grtc grub grug grur grus grut gsoc gsos gstr gsur gtbr gtco gtcr gtcs gtos gubb gubs gubu gugb gugg gugu guos gurb gurg guro gurr gurs gurt guru gusb guss gust guto guts gutt gutu guus obbo obor obos obot obro obsr obss obst obts obus ocbc occc occt ocos ocro ocrr ocrs oct- octo octs ocur ogb ogog ogou ogro ogus oocr oooo ooos oort oost ootb oots oous orbb orbo orbs orbu orco orcs orgo orgs oro- oror oros orot orro orrs orso orsu ortc orto orts orub orus oscc osco osoo osor osos osro ossb osso ossu ostc ostr osts otbs oto- otog otoo otor otos otro otrs otsg otso otsu otto otts ottu otur otus oubs oucc our- ouro ours ourt oust out- outb outo outs ouu- rbbb rbbr rbbs rbss rbst rcbc rcbo rccb rccc rccs rcgc rcos rcrg rcsc rcss rctc rctg rcts rgtr rgts rob- robb robo robs robt robu rocc roco rocs rogg rogo roob roog roor roos root rorc roro rort roru rosc roso ross rost rotc rotg roto rotr rots rott roub rous rout rrrr rscc rscs rsgb rsgc rsos rsts rstu rtcc rtcg rtgs rtss rtts rubb rubs rubu ruct rugg rugs rurc ruro rurs ruru ruso russ rust rusu ruto ruts rutt rutu s-os sbbs sbcc sbcs sbct sbor sbot sbst sbtc sbus sccc sccs scct scgs scob scog scoo scor scot scr- scrc scrs scsc scso scsr scst scsu sctc scto sctr scts scub scug scur scut sgcb sgcg sggg sggs sgro sgss sgts sobo sobr sobs sobt sobu soco socr socs sogo sogs soog soor soos soot sorb sorg soro sorr sors sort soru soso soss sost sotc soto sots sotu sour sous sout srbc srcc srct srgb sros srtr srub ssbr sscc sscs ssgs ssgt ssoc ssot ssrc ssrg ssrs sssb sssc ssss sstb sstc ssts stbc stbs stcc stcs stcu stgr stob stog stoo stor stos stot stou strc stro strs stru stss sttc sttr stub stuc stug stur stus stut sub- subb subg subo subs suc- succ sucr sucs sug- sugg sugo suor suos sur- surc surg suro surr surs surt suru sus- suso suss sust susu suto sutu suus tbbs tbcb tbcc tbgs tbrb tbst tcbs tccc tccu tcos tctc tcts tgcc tgtc tgts tobo tobs tobt tobu toco togo togr togs togt toor toos toot torc torg toro torr tors tort toru tosb tosc toso toss tost tosu totc toto totr tots tott toug tour tous tout trcc troc trog troo tros trot trou trst trtc trtr trub truc trug trus trut truu tsbc tscc tscg tsgt tsob tsos tsou tssg tssr tsst tstc tsts ttbb ttss tttt tubb tubo tubr tubs tubu tucc tuco tugg tugs tugu tuor tuos turb turc turg turo turr turs turt turu tusc tuss tust tuto tuts tutt tutu tuuo ubbo uboc ubos ucbc ucos ucrc ucsb ucsc ucst ucsu ucut ugcc ugcg uggo uggs uggt ugos ugro ugur uguu uocc uor- urbs urgu uro- uroo urso urss ursu urts urur urus urut usbc usbr usbs uscc uscg usco uscs usgo usoc usog usos ussb ussc ussr usss usst ussu ustb ustc usto usts usus utor utsc utto uttu utug uuoc uuuu