b-p bbb bbc bbl bbn bbp bbr bbs bbt bcb bcc bcl bcn bcp bcr bcs bct blb blc bll bln blp blr bls blt bnb bnc bnl bnn bnp bnr bns bnt bpb bpc bpl bpn bpp bpr bps bpt brb brl brn brp brr brs brt bsb bsc bsl bsn bsp bsr bss bst btb btc btl btn btp btr bts btt c-- cbb cbc cbl cbn cbp cbr cbs cbt ccb ccc ccl ccn ccp ccr ccs cct cl- clb clc cll cln clp clr cls clt cn- cnb cnc cnl cnn cnp cnr cns cnt cpb cpc cpl cpn cpp cpr cps cpt crb crc crl crn crp crr crs crt csb csc csl csn csp csr css cst ctb ctc ctl ctn ctp ctr cts ctt l-p lbb lbc lbl lbp lbr lbs lbt lcb lcc lcl lcn lcp lcr lcs lct llb llc lll lln llp llr lls llt lnb lnc lnl lnn lnp lnr lns lnt lpb lpc lpl lpn lpp lpr lps lpt lrb lrc lrn lrp lrr lrs lrt lsb lsc lsl lsn lsp lsr lss lst ltb ltc ltl ltp ltr lts ltt nbb nbc nbl nbn nbp nbr nbs nbt ncb ncc ncl ncn ncp ncr ncs nct nlb nlc nll nln nlp nlr nls nlt nnb nnc nnl nnn nnp nns nnt npb npc npl npn npp npr nps npt nrb nrc nrl nrn nrp nrr nrs nrt nsb nsc nsl nsn nsp nsr nss nst ntb ntc ntn ntp ntr nts ntt p-p pbb pbc pbl pbn pbp pbr pbs pbt pcb pcc pcl pcn pcp pcr pcs pct plb plc pll pln plp plr pls plt pn- pnb pnc pnl pnn pnp pnr pns pnt ppb ppc ppl ppn ppp ppr pps ppt prb prc prl prn prp prr prs prt ps- psb psc psl psn psp psr pss pst pt- ptb ptc ptl ptn ptp ptr pts ptt rbb rbc rbl rbn rbp rbr rbs rbt rcb rcc rcl rcn rcp rcr rcs rct rlc rll rln rlp rlr rls rlt rnb rnc rnn rnp rnr rns rnt rpb rpc rpl rpn rpp rpr rps rpt rrb rrc rrl rrn rrp rrr rrs rrt rsb rsc rsl rsn rsp rsr rss rst rtb rtc rtl rtn rtp rtr rts rtt sbb sbc sbl sbn sbp sbr sbs sbt scb scc scl scn scp scr scs sct slb slc sll sln slp slr sls slt snb snc snl snn snp snr sns snt spb spc spl spn spp spr sps spt sr- srb src srl srn srp srr srs srt ss- ssb ssc ssl ssn ssp ssr sss sst stb stc stl stn stp str sts stt tbb tbc tbl tbn tbp tbr tbs tbt tcb tcc tcl tcn tcp tcr tcs tct tlc tll tln tlp tlr tls tlt tnb tnc tnl tnn tnp tnr tns tnt tpb tpc tpl tpn tpp tpr tps tpt trb trc trl trn trp trr trs trt tsb tsc tsl tsn tsp tsr tss tst ttb ttc ttl ttn ttp ttr tts ttt

bbbb bbbs bblb bbls bbpr bbrc bcbc bcbp bcbs bccc bccl bccs bcpl bcpp bcps bcrs bcsc bcsl bcsn bcss bctc bcts blbt blls blrc blsp blss blst blts bnpp bnrr bnss bpcp bprc brcb brlp brls brns brrr brrs brsb brsr brst brtc bscp bscs bslc bsns bspp bspr bssc bsts btbp btcc btcl btcs btlp btps btrc btrt btss bttb cbbc cbbs cbcc cbcl cbcn cbcp cbcr cbcs cbct cblb cblc cbln cbpc cbpp cbrl cbrn cbrt cbsc cbsn cbtc cbtl ccbc ccbn cccb cccc cccl cccp cccs cclc ccls ccnb ccnc ccnp ccnr ccns ccpl ccpn ccpp ccpr ccps ccrc ccrl ccrp ccrs ccrt ccsl ccsn ccsp ccss ccst cctb cctc cctl cctt clpb clpp clrs clsc cltb cltc clts cnbc cnbl cnbp cncp cnrc cnrr cnrt cnsl cnss cntc cntr cpbc cpcs cplc cpls cpnb cpns cpnt cpps cprs cprt cpsc cpsl cpsr cptp cptr cpts crbc crcc crcr crls crns crpc crps crrt crsp crss crst crtc crtl crtp crts cscb cscc cscl cscr cscs cslp cslr csnp cspb cspc csps cspt csrc csrs cssr cstc cstr csts ctbs ctcp ctls ctns ctpp ctps ctrc ctrl ctrn ctrp ctrs ctsc ctsn ctss cttn ctts lbcc lblr lbrs lbrt lbsc lcbc lccc lccs lcls lcpc lcpl lcps lcrl lcrs lcsc lcsp lcsr lctl lcts llbs llcc llcs lllc llll llps lnbp lncr lntc lnts lpns lppl lprp lpsc lpss lptb lrcs lrps lrrc lrrr lrst lrts ls-r lscb lscs lspl lspr lsrc lssp lssr lsts ltbl ltcc ltcs ltns ltnt ltps ltrs ltsp ltsr lttc lttr nbbc nbcc nbcs nbpp nbps nbsp ncbc ncbs nccc nccn nccp nccr nccs ncct nclc ncln nclr ncnc ncpc ncrc ncrp ncsc ncsl ncss ncst nctc nctr nlcc nlcs nlls nlpc nlrb nlrp nlsc nlsp nnls nnnn nnpr nnsl nnss nntn npbl npcc nppc nppl nprt npsl npss nptc nptn nrcs nrlb nrpc nrpn nrps nrrc nrrl nrsc nrsp nrtl nrts nscc nscl nscs nslp nslr nsls nsnr nspc nsps nsrc nsrl nssb nssc nssp nssr nsss nstc nstl nstp nsts ntbc ntcc ntpc ntrc ntrl ntsb ntsc ntss nttr pbcc pbrs pbsp pcbc pcbs pccc pccl pccs pcll pcns pcnt pcpb pcpn pcpp pcps pcrc pcrl pcts plbr plcc plnt plpp plss pltt pnln pnnl pnpp pnsc pntl pntr ppcc ppcs pppn pppp ppps pprc ppss pptn ppts pptt prbc prbs prcc prcp prcs prlr prls prnp prps prrs prsc prsl prss prtc prtp prtr psbr psbt psnc psnr pspp pspr psps psrp pssc psst psts ptbl ptcc ptcl pttc rbbb rbbr rbbs rbcl rbsl rbsp rbss rbst rcbc rccb rccc rccs rcls rcnl rcnr rcps rcpt rcsc rcsl rcss rctc rcts rlcs rlls rnbr rncp rncs rnnt rnsp rntp rpcs rpls rppn rpps rptn rpts rrrr rrsp rscc rscn rscs rslc rslp rsnn rsnr rspb rsps rssl rstp rsts rtcc rtls rtlt rtns rtps rtss rttp rtts sbbs sbcc sbcs sbct sbsp sbst sbtc