-ous bbbb bbbs bbrc bbrg bcbc bcbg bcbs bccc bccs bcgs bcor bcos bcrs bcru bcsc bcss bcuc bggs bobb bobo bobs bobu boco bocs bocu bogg bogo bogs boob booc boog boor boos bor- borg boro borr bors boru bosc boso boss bosu bour bous brcb brob broc brog broo bror bros brou brrr brrs brsb brsr bruc brug brus bscs bsgs bsos bssc bubb bubo bubs bubu bucc buco bucs bucu bugg bugo bugs bur- burb burg buro burr burs buru busc buss busu buus c-bo cbbc cbbs cbcc cbcr cbcs cbcu cbgb cbsc cbus ccbc cccb cccc cccs cccu ccgc ccgs ccob ccoc ccrc ccrg ccrs ccsg ccss ccuc ccus cgcc cgcg cggs cgro cgsb cgss cobb cobo cobs cobu coco cocu cogo cogs coob coos cor- corb corc corg coro corr cors cosc coso coss coub cour cous crbc crbu crcc crcr crgs crob croc croo cror crss crub crug crus cscb cscc csco cscr cscs csob csor csos csrc csrs cssr csur csus cub- cubb cubs cucc curb curo curr curs cusb cusg cuso cuss cusu gbbo gbbs gc-c gcbc gccc gccs gcos gcrg gcss gcsu gggg ggss gobo gobs gocr gogo gogs goog goor goos gorb gorg goro gorr gors goso goss gosu gou- goug gour gous grbr grcc grob groc grog groo gror gros grou grrr grrs grss grub grug grur grus gsoc gsos gsur gubb gubs gubu gugb gugg gugu guos gurb gurg guro gurr gurs guru gusb guss guus obbo obor obos obro obsr obss obus ocbc occc ocos ocro ocrr ocrs ocur ogb ogog ogou ogro ogus oocr oooo ooos oous orbb orbo orbs orbu orco orcs orgo orgs oro- oror oros orro orrs orso orsu orub orus oscc osco osoo osor osos osro ossb osso ossu oubs oucc our- ouro ours ouu- rbbb rbbr rbbs rbss rcbc rcbo rccb rccc rccs rcgc rcos rcrg rcsc rcss rob- robb robo robs robu rocc roco rocs rogg rogo roob roog roor roos rorc roro roru rosc roso ross roub rous rrrr rscc rscs rsgb rsgc rsos rubb rubs rubu rugg rugs rurc ruro rurs ruru ruso russ rusu s-os sbbs sbcc sbcs sbor sbus sccc sccs scgs scob scog scoo scor scr- scrc scrs scsc scso scsr scsu scub scug scur sgcb sgcg sggg sggs sgro sgss sobo sobr sobs sobu soco socr socs sogo sogs soog soor soos sorb sorg soro sorr sors soru soso soss sour sous srbc srcc srgb sros srub ssbr sscc sscs ssgs ssoc ssrc ssrg ssrs sssb sssc ssss sub- subb subg subo subs suc- succ sucr sucs sug- sugg sugo suor suos sur- surc surg suro surr surs suru sus- suso suss susu suus ubbo uboc ubos ucbc ucos ucrc ucsb ucsc ucsu ugcc ugcg uggo uggs ugos ugro ugur uguu uocc uor- urbs urgu uro- uroo urso urss ursu urur urus usbc usbr usbs uscc uscg usco uscs usgo usoc usog usos ussb ussc ussr usss ussu usus uuoc uuuu