b-u bbb bbc bbg bbh bbo bbr bbs bbu bcb bcc bcg bch bco bcr bcs bcu bgb bgc bgg bgh bgo bgr bgs bgu bhb bhc bhg bhh bho bhr bhs bhu bob boc bog boh boo bor bos bou brb brg brh bro brr brs bru bsb bsc bsg bsh bso bsr bss bsu bub buc bug buh buo bur bus buu c-- cbb cbc cbg cbh cbo cbr cbs cbu ccb ccc ccg cch cco ccr ccs ccu cgb cgc cgg cgh cgo cgr cgs cgu ch- chb chc chg chh cho chr chs chu co- cob coc cog coh coo cor cos cou crb crc crg crh cro crr crs cru csb csc csg csh cso csr css csu cub cuc cug cuh cuo cur cus cuu gbc gbg gbh gbo gbr gbs gbu gcb gcc gcg gch gco gcr gcs gcu ggb ggc ggg ggh ggo ggr ggs ggu ghb ghc ghg ghh gho ghr ghs gob goc gog goh goo gor gos gou grb grc grg grh gro grr grs gru gsb gsc gsg gso gsr gss gsu gu- gub guc gug guo gur gus guu hbb hbc hbg hbh hbo hbr hbs hbu hcb hcc hcg hch hco hcr hcs hgb hgc hgg hgh hgo hgr hgs hgu hhb hhc hhg hhh hho hhr hhs hhu hob hoc hog hoh hoo hor hos hou hr- hrb hrc hrg hrh hro hrr hrs hru hsb hsc hsg hsh hsr hss hsu hub huc hug huh huo hur hus huu ob- obb obc obg obh obo obr obs obu oc- ocb occ ocg och oco ocr ocs ocu ogc ogg ogh ogo ogs ohc ohg ohh oho ohr ohs ohu oo- oob ooc oog ooh ooo oor oos or- orb orc org orh oro orr ors oru os- osb osc osg osh oso osr oss osu ou- ouc ouh ouo our ous rbb rbc rbg rbh rbo rbr rbs rbu rcb rcc rcg rch rco rcr rcs rcu rgb rgc rgg rgh rgo rgr rgs rh- rhb rhc rhg rhh rho rhr rhs rhu rob roc rog roh roo ror ros rou rrb rrc rrg rrh rrr rrs rru rsb rsc rsg rsh rso rsr rss rsu rub ruc rug ruh ruo rur rus ruu sbb sbc sbg sbh sbo sbr sbs sbu scb scc scg sch sco scr scs scu sgb sgc sgg sgh sgo sgr sgs sgu sh- shb shc shg shh sho shr shs shu sob soc sog soh soo sor sos sou sr- srb src srg srh sro srr srs ss- ssb ssc ssg ssh sso ssr sss ssu sub suc sug suh suo sur sus suu ubb ubc ubg ubh ubo ubr ubs ubu ucb ucc ucg uch uco ucr ucs ucu ugb ugc ugg ugh ugo ugr ugs ugu uhb uhc uhh uho uhr uhs uhu uob uoc uog uoo uor uos ur- urb urc urg uro urr urs uru usb usc usg ush uso usr uss usu uuc uug uur uus uuu

-hou -ous bbbb bbbs bbch bbhs bbrc bbrg bcbc bcbg bcbs bccc bccs bcgs bchs bcor bcos bcrs bcru bcsc bcss bcuc bggs bghs bhcc bhhs bhog bhor bhur bhuu bobb bobo bobs bobu boch boco bocs bocu bogg bogh bogo bogs boho bohr bohs bohu boob booc boog booh boor boos bor- borg borh boro borr bors boru bosc bosh boso boss bosu bouh bour bous brcb brhs brob broc brog broh broo bror bros brou brrr brrs brsb brsr bruc brug bruh brus bscs bsgs bshs bsos bssc bubb bubo bubs bubu bucc buch buco bucs bucu bugg bugh bugo bugs buho buhr buhs bur- burb burg burh buro burr burs buru busc bush buss busu buus c-bo cbbc cbbs cbcc cbcr cbcs cbcu cbgb cbhs cbrh cbsc cbus ccbc cccb cccc cccs cccu ccgc ccgs cchr cchs ccob ccoc ccrc ccrg ccrs ccsg ccss ccuc ccus cgcc cgcg cggs cghs cgro cgsb cgsh cgss chch chcs chgb chgs chhs choc choh choo chor chos chou chrb chrc chro chrr chrs chsc chsh chsr chub chug chur chus cobb cobh cobo cobs cobu coch coco cocu cogh cogo cogs coho cohs coob cooh coos cor- corb corc corg coro corr cors cosc cosh coso coss coub cour cous crbc crbu crcc crcr crgs crhs crob croc croh croo cror crss crub crug crus cscb cscc csch csco cscr cscs csgh cshs csob csor csos csrc csrs cssr csur csus cub- cubb cubs cucc curb curo curr curs cusb cusg cush cuso cuss cusu gbbo gbbs gbhs gc-c gcbc gccc gccs gchs gcos gcrg gcsh gcss gcsu gggg gghg ggss ghhs ghug gobo gobs goch gocr gogh gogo gogs gohb gohs goog goor goos gorb gorg goro gorr gors gosh goso goss gosu gou- goug gour gous grbr grcc grhs grob groc grog groh groo gror gros grou grrr grrs grss grub grug grur grus gshs gsoc gsoh gsos gsur gubb gubs gubu guch gugb gugg gugh gugu guhr guos gurb gurg gurh guro gurr gurs guru gusb gush guss guus hbbs hbhs hboc hbos hbrs hbss hcbc hcbs hccb hccc hcch hccs hcgh hchs hcsc hcso hcss hggc hghs hhgg hhhh hhhs hhus hobo hobs hoch hocr hocs hogg hogh hogo hogs hogu hoho hoor hoos horc horg horo horr hors hosh hoss hour hrhs hrob hros hrrc hrso hsbc hscc hshs hsob hsur hubb hubo hubs huch hucs hucu hugg hugh hugo hugs huhs huhu huor huos huro hurr hurs huru hush huso huss huub huus obbo obhs obor obos obrh obro obsr obss obuh obus ocbc occc ochs ocos ocro ocrr ocrs ocur ogb oghs ogog ogou ogro ogus ohcc ohgr ohho ohhs ohob ohoh ohos ohso ohss ohus oocr ooho oohs oooh oooo ooos oous orbb orbo orbs orbu orch orco orcs orgo orgs orhs oro- oror oros orro orrs orso orsu orub orus oscc osco oshc osho oshs oshu osoo osor osos osro ossb osso ossu oubs oucc ouch ough