bbbb bbbs bbng bbrc bbrg bcbc bcbg bcbs bccc bccs bcgs bcrs bcsc bcsn bcss bctc bcts bggs bgst bnrr bnss brcb brns brrr brrs brsb brsr brst brtc bscs bsgs bsns bssc bsts btcc btcs btrc btrt btss bttb cbbc cbbs cbcc cbcn cbcr cbcs cbct cbgb cbrn cbrt cbsc cbsn cbtc ccbc ccbn cccb cccc cccs ccgc ccgs ccgt ccnb ccnc ccnr ccns ccrc ccrg ccrs ccrt ccsg ccsn ccss ccst cctb cctc cctt cgcc cgcg cggs cgns cgsb cgss cgst cnbc cnrc cnrr cnrt cnss cntc cntr crbc crcc crcr crgs crns crrt crss crst crtc crts cscb cscc cscr cscs csgn csrc csrs cssr cstc cstg cstr csts ctbs ctns ctrc ctrn ctrs ctsc ctsn ctss cttn ctts gbbs gc-c gcbc gccc gccs gcrg gcss gcst gctc gcts ggbt gggg ggrn ggss gncc gngc gnrc gnrr grbr grcc grrr grrs grss grtc gstr gtbr gtcr gtcs nbbc nbcc nbcs ncbc ncbs nccc nccn nccr nccs ncct ncgr ncgs ncnc ncrc ncsc ncss ncst nctc nctr ngns ngsn ngtn ngts nngn nnnn nnss nntn nrcs nrrc nrsc nrts nscc nscs nsnr nsrc nssb nssc nssr nsss nstc nsts ntbc ntcc ntrc ntsb ntsc ntss nttr rbbb rbbr rbbs rbss rbst rcbc rccb rccc rccs rcgc rcnr rcrg rcsc rcss rctc rctg rcts rgtr rgts rnbr rncs rngs rnnt rrrr rscc rscn rscs rsgb rsgc rsnn rsnr rsts rtcc rtcg rtgs rtns rtss rtts sbbs sbcc sbcs sbct sbst sbtc sbtn sccc sccs scct scgs scnr scnt scr- scrc scrn scrs scsc scsn scsr scst sctc sctn sctr scts sgcb sgcg sggg sggs sgss sgts sncc snns snrs sntr srbc srcc srct srgb srnn srtr ssbn ssbr sscc sscs ssgs ssgt ssns ssrc ssrg ssrs sssb sssc ssss sstb sstc ssts stbc stbs stcc stcs stgr stng stnn stnr stns strc strn strs stss sttc sttr tbbs tbcb tbcc tbgs tbrb tbst tcbs tccc tcnn tctc tcts tgcc tgtc tgts tnbc tncc tngs tnts trcc trng trst trtc trtr tsbc tscc tscg tsgt tssg tssr tsst tstc tsts ttbb ttcn ttss tttt