b-p bbb bbc bbd bbf bbk bbl bbn bbp bbr bbt bcb bcc bcd bcf bck bcl bcn bcp bcr bct bdb bdc bdd bdf bdk bdl bdp bdr bdt bfb bfc bfd bff bfl bfn bfp bfr bft bkb bkc bkf bkk bkl bkn bkp bkr bkt blb blc bld blf blk bll bln blp blr blt bnb bnc bnd bnf bnk bnl bnn bnp bnr bnt bpb bpc bpd bpf bpl bpn bpp bpr bpt brb brd brf brk brl brn brp brr brt btb btc btd btf btk btl btn btp btr btt c-- cbb cbc cbd cbf cbk cbl cbn cbp cbr cbt ccb ccc ccd ccf cck ccl ccn ccp ccr cct cdb cdc cdd cdf cdk cdl cdn cdp cdr cdt cfb cfc cfd cff cfk cfl cfn cfp cfr cft ckb ckc ckd ckt cl- clb clc cld clf clk cll cln clp clr clt cn- cnb cnc cnd cnf cnl cnn cnp cnr cnt cpb cpc cpd cpf cpk cpl cpn cpp cpr cpt crb crc crd crf crk crl crn crp crr crt ctb ctc ctd ctf ctk ctl ctn ctp ctr ctt dbb dbc dbd dbf dbk dbl dbn dbp dbr dbt dcb dcc dcd dcf dck dcl dcn dcp dcr dct ddb ddc ddd ddf ddk ddl ddn ddp ddr ddt dfb dfc dfd dff dfk dfl dfn dfp dfr dft dkb dkc dkk dkl dkp dkr dkt dl- dlb dlc dld dlf dlk dll dlp dlr dlt dnb dnc dnd dnf dnk dnl dnn dnp dnr dnt dpb dpc dpd dpf dpk dpl dpn dpp dpr dpt drb drc drd drk drl drn drp drr drt dtb dtc dtd dtf dtk dtl dtn dtp dtr dtt fbb fbc fbd fbf fbk fbl fbn fbp fbr fbt fcb fcc fcd fcf fck fcl fcn fcp fcr fct fdb fdc fdd fdf fdk fdl fdn fdp fdr fdt ffc ffd fff ffk ffl ffn ffp ffr fft fkb fkc fkf fkk fkl fkp fkt flb flc fld flf fll fln flp flr flt fnb fnc fnd fnf fnk fnl fnn fnp fnr fnt fpb fpc fpd fpk fpl fpn fpp fpr fpt frb frc frd frf frk frl frn frp frr frt ftb ftc ftd ftf ftk ftl ftn ftp ftr ftt k-t kbb kbc kbd kbf kbk kbl kbn kbp kbr kcb kcc kcd kck kcl kcn kcp kcr kct kdb kdc kdf kdk kdl kdp kdr kdt kfc kfd kff kkb kkc kkk kkl kkn kkp kkr kkt kl- klb klc kld klf klr klt kn- knc knd knf knk knl knn knp knr knt kpc kpd kpf kpk kpl kpn kpp kpr kpt krc krd krf krk krl krn krp krr krt ktb ktc ktf ktk ktl ktn ktp ktr ktt l-p lbb lbc lbd lbf lbk lbl lbp lbr lbt lcb lcc lcd lcf lck lcl lcn lcp lcr lct ldb ldc ldd ldf ldk ldl ldn ldp ldr ldt lfb lfc lfd lff lfk lfl lfn lfp lfr lft lkb lkl lkp lkr lkt llb llc lld llf llk lll lln llp llr llt lnb lnc lnd lnk lnl lnn lnp lnr lnt lpb lpc lpd lpf lpk lpl lpn lpp lpr lpt lrb lrc lrd lrf lrk lrn lrp lrr lrt ltb ltc ltd ltf ltk ltl ltp ltr ltt nbb nbc nbd nbf nbk nbl nbn nbp nbr nbt ncb ncc ncd ncf nck ncl ncn ncp ncr nct ndb ndc ndd ndf ndk ndl ndn ndp ndr ndt nfb nfc nfd nff nfk nfl nfn nfp nfr nft nkc nkf nkk nkn nkp nkr nkt nlb nlc nld nlf nlk nll nln nlp nlr nlt nnb nnc nnf nnk nnl nnn nnp nnt npb npc npd npf npl npn npp npr npt nrb nrc nrd nrf nrk nrl nrn nrp nrr nrt ntb ntc ntd ntf ntk ntn ntp ntr ntt p-p pbb pbc pbd pbf pbk pbl pbn pbp pbr pbt pcb pcc pcd pcf pck pcl pcn pcp pcr pct pdb pdc pdd pdf pdk pdl pdn pdp pdr pdt pfb pfc pfd pff pfk pfl pfn pfp pfr pft pkb pkc pkd pkf pkl pkn pkp pkr pkt plb plc pld plf plk pll pln plp plr plt pn- pnb pnc pnd pnf pnk pnl pnn pnp pnr pnt ppb ppc ppd ppf ppk ppl ppn ppp ppr ppt prb prc prd prf prk prl prn prp prr prt pt- ptb ptc ptd ptf ptk ptl ptn ptp ptr ptt rbb rbc rbd rbf rbk rbl rbn rbp rbr rbt rcb rcc rcd rcf rcl rcn rcp rcr rct rdb rdc rdd rdf rdl rdn rdp rdr rdt rfb rfc rfd rff rfk rfl rfn rfp rfr rft rkb rkc rkf rkk rkp rkt rlc rld rlf rll rln rlp rlr rlt rnb rnc rnd rnn rnp rnr rnt rpb rpc rpd rpf rpk rpl rpn rpp rpr rpt rrb rrc rrd rrf rrk rrl rrn rrp rrr rrt rtb rtc rtd rtf rtk rtl rtn rtp rtr rtt tbb tbc tbd tbf tbk tbl tbn tbp tbr tbt tcb tcc tcd tcf tck tcl tcn tcp tcr tct tdb tdc tdd tdf tdk tdl tdn tdp tdr tdt tfb tfc tfd tff tfk tfl tfn tfp tfr tft tkb tkc tkk tkl tkp tkr tkt tlc tld tlf tlk tll tln tlp tlr tlt tnb tnc tnd tnf tnk tnl tnn tnp tnr tnt tpb tpc tpd tpf tpk tpl tpn tpp tpr tpt trb trc trd trf trk trl trn trp trr trt ttb ttc ttd ttf ttk ttl ttn ttp ttr ttt

bbbb bbdd bbfc bbfn bblb bbpr bbrc bcbc bcbp bccc bccl bcfc bcpl bcpp bctc bd-r bdbc bddc bdpc bffl bfpp bftt bkpr bkpt blbt bldc bldr blfc blkb blkd blrc bnpp bnrr bpcp bpfc bpfl bprc bprd bptf brcb brdt brfc brkb brlp brrr brtc btbp btcc btcl btdt btfc btlp btrc btrt bttb c-cd cbbc cbcc cbcl cbcn cbcp cbcr cbct cbdb