bbbb bbbs bbdd bbng bbrc bbrg bcbc bcbg bcbs bccc bccs bcds bcgs bcrs bcsc bcsn bcss bd-r bdbc bddc bdsd bggs bnrr bnss brcb brds brns brrr brrs brsb brsr bsbd bscs bsgs bsnd bsns bsrd bssc bssd c-cd cbbc cbbs cbcc cbcn cbcr cbcs cbdb cbdc cbdn cbds cbgb cbnd cbrd cbrn cbsc cbsn ccbc ccbn cccb cccc cccs ccdc ccdn ccdr ccds ccgc ccgs ccnb ccnc ccnr ccns ccrc ccrg ccrs ccsd ccsg ccsn ccss cd-r cdcs cddb cddr cdnb cdnc cdrs cdss cgcc cgcg cggs cgns cgsb cgss cnbc cndd cnrc cnrr cnss crbc crcc crcr crdc crgs crns crss cscb cscc cscd cscr cscs csdb csdn csdr csgn csrc csrd csrs cssd cssr dbcc dbcs dbrn dbrs dbss dcbc dccb dccc dccs dcdb dcds dcgs dcns dcsc dcsg dcss dddd ddrc ddss dgsb dgsn dncs dnrc dnsc drbc drgs drrs dsbc dscc dscn dscr dscs dsdr dsgn dsng dsrc dsrr dssc dssn gbbs gc-c gcbc gccc gccs gcds gcrg gcss gddb gdrc gdsc gggg ggrn ggss gncc gngc gnrc gnrr grbr grcc grdc grds grrr grrs grss gsds nbbc nbcc nbcs ncbc ncbs nccc nccn nccr nccs ncdc ncdn ncdr ncds ncgr ncgs ncnc ncnd ncrc ncsc ncss ndcc ndcs nddb ndrc ndss ngdc ngns ngsn nndb nngn nnnn nnss nrcs nrdc nrds nrrc nrrd nrsc nscc nscd nscs nsdg nsds nsnr nsrc nsrd nssb nssc nssr nsss rbbb rbbr rbbs rbds rbsd rbss rcbc rccb rccc rccs rcdc rcds rcgc rcnr rcrd rcrg rcsc rcsd rcss rdgs rgds rnbr rncs rndc rnds rngs rrrr rscc rscn rscs rsdd rsdg rsds rsgb rsgc rsnn rsnr sbbs sbcc sbcs sbds sbsd sccc sccs scdc scdg scds scgs scnd scnr scr- scrc scrn scrs scsc scsd scsn scsr sdcc sddc sdds sdgs sdrc sdrs sdsc sdss sgcb sgcd sgcg sggg sggs sgsd sgss sncc snns snrs snsd srbc srcc srgb srnn srsd ssbn ssbr sscc sscs ssdc ssdd ssgs ssns ssrc ssrg ssrs sssb sssc ssss