b-u bbb bbc bbg bbn bbo bbr bbs bbu bcb bcc bcg bcn bco bcr bcs bcu bgb bgc bgg bgn bgo bgr bgs bgu bnb bnc bng bnn bno bnr bns bnu bob boc bog bon boo bor bos bou brb brg brn bro brr brs bru bsb bsc bsg bsn bso bsr bss bsu bub buc bug bun buo bur bus buu c-- cbb cbc cbg cbn cbo cbr cbs cbu ccb ccc ccg ccn cco ccr ccs ccu cgb cgc cgg cgn cgo cgr cgs cgu cn- cnb cnc cng cnn cno cnr cns cnu co- cob coc cog con coo cor cos cou crb crc crg crn cro crr crs cru csb csc csg csn cso csr css csu cub cuc cug cun cuo cur cus cuu gbc gbg gbn gbo gbr gbs gbu gcb gcc gcg gcn gco gcr gcs gcu ggb ggc ggg ggn ggo ggr ggs ggu gnb gnc gnn gno gnr gns gnu gob goc gog gon goo gor gos gou grb grc grg grn gro grr grs gru gsb gsc gsg gsn gso gsr gss gsu gu- gub guc gug gun guo gur gus guu nbb nbc nbg nbn nbo nbr nbs nbu ncb ncc ncg ncn nco ncr ncs ncu ngb ngc ngg ngn ngo ngs ngu nnb nnc nng nnn nno nns nnu no- nob noc nog non noo nor nos nou nrb nrc nrg nrn nro nrr nrs nru nsb nsc nsg nsn nso nsr nss nsu nub nuc nug nun nuo nur nus nuu ob- obb obc obg obn obo obr obs obu oc- ocb occ ocg ocn oco ocr ocs ocu ogc ogg ogn ogo ogs on- onb onc ong onn ono onr ons onu oo- oob ooc oog oon ooo oor oos or- orb orc org orn oro orr ors oru os- osb osc osg osn oso osr oss osu ou- ouc oun ouo our ous rbb rbc rbg rbn rbo rbr rbs rbu rcb rcc rcg rcn rco rcr rcs rcu rgb rgc rgg rgn rgo rgr rgs rnb rnc rng rnn rno rnr rns rnu rob roc rog ron roo ror ros rou rrb rrc rrg rrn rrr rrs rru rsb rsc rsg rsn rso rsr rss rsu rub ruc rug run ruo rur rus ruu sbb sbc sbg sbn sbo sbr sbs sbu scb scc scg scn sco scr scs scu sgb sgc sgg sgn sgo sgr sgs sgu snb snc sng snn sno snr sns snu sob soc sog son soo sor sos sou sr- srb src srg srn sro srr srs ss- ssb ssc ssg ssn sso ssr sss ssu sub suc sug sun suo sur sus suu ubb ubc ubg ubn ubo ubr ubs ubu ucb ucc ucg ucn uco ucr ucs ucu ugb ugc ugg ugn ugo ugr ugs ugu un- unb unc ung unn uno unr uns unu uob uoc uog uon uoo uor uos ur- urb urc urg urn uro urr urs uru usb usc usg usn uso usr uss usu uuc uug uun uur uus uuu

-ous bbbb bbbs bbng bbrc bbrg bcbc bcbg bcbs bccc bccs bcgs bcnu bcor bcos bcrs bcru bcsc bcsn bcss bcuc bggs bgon bgun bnoc bnor bnrr bnss bobb bobo bobs bobu boco bocs bocu bogg bogo bogs bonc bong bonn bono bons bonu boob booc boog boon boor boos bor- borg born boro borr bors boru bosc bosn boso boss bosu boun bour bous brcb brno brns brob broc brog bron broo bror bros brou brrr brrs brsb brsr bruc brug brun brus bscs bsgs bsns bson bsos bssc bubb bubo bubs bubu bucc buco bucs bucu bugg bugo bugs bunb bung bunn buno buns bunu buon bur- burb burg burn buro burr burs buru busc buss busu buus c-bo cbbc cbbs cbcc cbcn cbcr cbcs cbcu cbgb cbrn cbsc cbsn cbus ccbc ccbn cccb cccc cccs cccu ccgc ccgs ccnb ccnc ccnr ccns ccnu ccob ccoc ccrc ccrg ccrs ccsg ccsn ccss ccuc ccus cgcc cgcg cggs cgns cgro cgsb cgss cnbc cnco cnrc cnrr cnss cobb cobo cobs cobu coco cocu cogo cogs con- conc cong conn cono cons coob coon coos cor- corb corc corg corn coro corr cors cosc coso coss coub coun cour cous crbc crbu crcc crcr crgs crns crob croc cron croo cror crss crub crug crun crus cscb cscc csco cscr cscs csgn csob csor csos csrc csrs cssr csur csus cub- cubb cubs cucc cucn cuno cuon curb curn curo curr curs cusb cusg cuso cuss cusu gbbo gbbs gbon gc-c gcbc gccc gccs gcos gcrg gcss gcsu gggg ggrn ggss gncc gngc gnoo gnrc gnrr gnus gobo gobs gocr gogo gogs gon- gong gonn gono gons gonu goog goon goor goos gorb gorg gorn goro gorr gors goso goss gosu gou- goug goun gour gous grbr grcc grob groc grog gron groo gror gros grou grrr grrs grss grub grug grun grur grus gsoc gson gsos gsur gubb gubs gubu gugb gugg gugu gung gunn guns guos gurb gurg gurn guro gurr gurs guru gusb guss guus nbbc nbbo nbcc nbco nbcs ncbc ncbs nccc nccn nccr nccs nccu ncgr ncgs ncnc ncoc ncor ncos ncrc ncsc ncss ngns ngon ngor ngos ngou ngsn ngur nguu nngn nnnn nnos nnss nobc nobo nobs nobu noco nocs nogg nogo nogs non- nong nonn nono nons nonu noo- noob noon nooo noor noos nor- norb norc norg norn noro norr nors nos- noss nosu noun nour nous nrcs nroc nron nrrc nrsc nsbo nscc nscs nsnr nsos nsou nsrc nssb nssc nsso nssr nsss nsub nubc nubs nucs nucu nugs nunc nung nunn nuno nuns nuoc nuon nurc nurn nurr nurs nuru nuss nusu obbo obon obor obos obro obsn obsr obss obus ocbc occc occn ocon ocos ocro ocrr ocrs ocur ogb ogog ogon ogou ogro ogun ogus onc- onco ongo ongu onno onon onor onos onsc onso onur onus oocr oons oooo ooos oous orbb orbo orbs orbu