b-p bbb bbc bbo bbp bbr bbs bbw bcb bcc bco bcp bcr bcs bcz bob boc boo bop bor bos bow boz bpb bpc bpo bpp bpr bps bpw brb bro brp brr brs brw brz bsb bsc bso bsp bsr bss bsw bwb bwc bwo bwp bwr bws bzo bzp bzr bzs bzz c-- cbb cbc cbo cbp cbr cbs cbw cbz ccb ccc cco ccp ccr ccs ccw ccz co- cob coc coo cop cor cos cow coz cpb cpc cpo cpp cpr cps cpw cpz crb crc cro crp crr crs crw crz csb csc cso csp csr css csw csz cw- cwb cwc cwo cwp cwr cws cz- czc czo czw ob- obb obc obo obp obr obs obw oc- ocb occ oco ocp ocr ocs ocw ocz oo- oob ooc ooo oop oor oos oow op- opb opc opo opp opr ops opw or- orb orc oro orp orr ors orz os- osb osc oso osp osr oss osw owb owc owo owp ows oww ozo ozs ozw ozz p-p pbb pbc pbo pbp pbr pbs pbw pbz pcb pcc pco pcp pcr pcs pcw pob poc poo pop por pos pow poz ppb ppc ppo ppp ppr pps ppw ppz prb prc pro prp prr prs prw prz ps- psb psc pso psp psr pss psw pwb pwc pwo pwp pwr pws pzc pzp rbb rbc rbo rbp rbr rbs rbw rcb rcc rco rcp rcr rcs rcw rob roc roo rop ror ros row roz rpb rpc rpo rpp rpr rps rpw rpz rrb rrc rrp rrr rrs rsb rsc rso rsp rsr rss rsw rwb rwc rwr rws rzb rzo sbb sbc sbo sbp sbr sbs sbw scb scc sco scp scr scs scw sob soc soo sop sor sos sow soz spb spc spo spp spr sps spw spz sr- srb src sro srp srr srs srw ss- ssb ssc sso ssp ssr sss ssw ssz swb swc swo swp swr sws szp szr wbb wbc wbo wbr wbs wbw wbz wcb wcc wco wcp wcr wcs wcw wob woc woo wop wor wos wow woz wpb wpc wpo wpp wpr wps wpz wr- wrc wro wrp wrr wrs wrw wsb wsc wso wsp wsr wss wsw wwc wwo wwp www wzc wzp zbb zbc zbr zbs zbw zco zcs zo- zob zoc zoo zor zos zow zpc zpo zpp zpr zro zrp zrs zsz zws zzr zzs zzz

bbbb bbbs bbpr bbrc bbwc bbwr bbws bcbc bcbp bcbs bccc bccs bcor bcos bcoz bcpp bcps bcrs bcsc bcss bobb bobo bobs bobw boco bocs boob booc boop boor boos boow booz bopp bops bor- boro borr bors borw borz bosc boso boss bowr bows bozo bpcp bprc brcb brcw brob broc broo bror bros brow broz brrr brrs brsb brsr bscp bscs bsos bspp bspr bssc bwoc bzow bzzz c-bo cbbc cbbs cbcc cbcp cbcr cbcs cbpc cbpp cbsc ccbc cccb cccc cccp cccs ccob ccoc ccow ccpp ccpr ccps ccrc ccrp ccrs ccsp ccss cobb cobo cobs coco cocp coob coop coos copo copp copr cops cor- corb corc coro corp corr cors cosc coso cosp coss cowp cows cozz cpbc cpcs cpos cpps cprs cpsc cpso cpsr crbc crcc crcr crcz crob croc croo crop cror crow croz crpc crps crsp crss cscb cscc csco cscr cscs csob csor csos cspb cspc csps csrc csrs cssr csws cwos cwrw obbo obor obos obro obsr obss ocbc occc ocos ocpp ocro ocrr ocrs ocsw oocr oooo ooos oops opo- opor opos oppo opps orbb orbo orbs orco orcs oro- oror oros oroz orpc orps orro orrs orso orwo orzo osbp oscc osco osoo osor osos osow osro ossb osso owow pbcc pboc pbrs pbsp pcbc pcbs pccc pccs pccw pcos pcpb pcpp pcps pcrc pcso pobo pobs poco pocs poop poor poos pop- popc popo popp pops porb porc poro porr pors porz posb poso poss powp powr pows pozo ppcc ppcs ppos pppo pppp ppps pprc ppss prbc prbs prcc prcp prcs pro- prob proc proo prop pros prow proz prps prrs prsc prso prss psbr psco psoc psos pspp pspr psps psrp pssc psso rbbb rbbr rbbs rbsp rbss rcbc rcbo rccb rccc rccs rcos rcpo rcps rcsc rcss rcwp rob- robb robo robs rocc roco rocs roob roop roor roos rooz ropo rops rorc roro rosc roso rosp ross rowb rowp rowr rows roww rozz rpcs rpob rpos rpps rrrr rrsp rscc rscs rsos rspb rspo rsps rwcs s-os sbbs sbcc sbcs sbor sbsp sbwr sccc sccp sccs scob scoo scop scor scow scpb scpo scps scr- scrc scrs scsc scso scsr sobo sobp sobr sobs soco socr socs soop soor soos sopo sopp sops sorb soro sorr sors soso soss sowp sowr sows soz- spcc spco spcs spoc spoo spop spor spos spps spro sprs spso spsp spss srbc srcc sros srpc srps srsp ssbr sscc sscp sscs ssoc ssop sspc sspo ssps ssrc ssrs sssb sssc ssss ssws swbc swbs swbw swcc swob swoo swop swor swow swss szob szoc szss wbbb wbbo wbbp wbbr wbbs wbbw wbbz wbcb wbco wbcp wbcr wbcw wbob wboc wbop wbor wbos wbow wboz wbpc wbpw wbpz wbrb wbrc wbrp wbrr wbrs wbrw wbsb wbsc wbsr wbss wbsw wbsz wbwb wbwc wbwo wbwz wbzc wbzo wbzr wbzs wbzw wbzz wcbc wcbr wcbs wcbw wccb wccc wcco wccp wccr wccs wccw wcob wcoc wcoo wcop wcor wcos wcoz wcpb wcpc wcpo wcpp wcpr wcps wcpz wcrb wcrc wcro wcrp wcrr wcrs wcrw wcrz wcsb wcsc wcso wcsp wcsr wcss wcsw wcsz wcwb wcwc wcwp wczr wczz wobb wobc wobo wocb wocc woco wocr wocs woob wooc woop woos woow wooz wopc wopp wops worb worc woro worp worr wors worw worz woso wosp woss wosw wowb wowc wowo wowp wows woww wowz wozz wpbc wpbo wpbr wpbs wpcc wpcr wpcs wpcw wpob wpoc wpop wpor wpow wpoz wppb wppc wppr wppz wprb wpro wprp wprr wprs wprz wpsb