-er b-p bbb bbe bbf bbg bbi bbn bbp bbr bbs bbt be- beb bee bef beg bei ben bep ber bes bet bfb bfe bff bfg bfi bfn bfp bfr bfs bft bgb bge bgf bgg bgi bgn bgp bgr bgs bgt bi- bib bie bif big bii bin bip bir bis bit bnb bne bnf bng bni bnn bnp bnr bns bnt bpb bpe bpf bpg bpi bpn bpp bpr bps bpt brb bre brf brg bri brn brp brr brs brt bsb bse bsf bsg bsi bsn bsp bsr bss bst btb bte btf btg bti btn btp btr bts btt ebb ebe ebf ebg ebi ebn ebp ebr ebs ebt eeb eee eef eeg een eep eer ees eet ef- efb efe eff efg efi efp efr efs eft egb ege egf egg egi egn egp egr egs egt eib eie eif eig eii ein eip eir eis eit en- enb ene enf eng eni enn enp enr ens ent ep- epb epe epf epg epi epn epp epr eps ept erb ere erf erg eri ern erp err ers ert es- esb ese esf esg esi esn esp esr ess est etb ete etf etg eti etn etp etr ets ett fbb fbe fbf fbg fbi fbn fbp fbr fbs fbt feb fee fef feg fei fen fep fer fes fet ffe fff ffg ffi ffn ffp ffr ffs fft fgb fge fgf fgg fgi fgn fgp fgr fgs fgt fib fie fif fig fii fin fip fir fis fit fnb fne fnf fng fni fnn fnp fnr fns fnt fpb fpe fpg fpi fpn fpp fpr fps fpt frb fre frf frg fri frn frp frr frs frt fsb fse fsf fsg fsi fsn fsp fsr fss fst ftb fte ftf ftg fti ftn ftp ftr fts ftt g-p gbe gbf gbg gbi gbn gbp gbr gbs gbt ge- geb gee gef geg gei gen gep ger ges get gfb gfe gff gfi gfp gfr gfs gft ggb ggg ggi ggn ggp ggr ggs ggt gib gie gif gig gii gin gip gir gis git gnb gne gnf gni gnn gnp gnr gns gnt gpb gpe gpf gpg gpi gpn gpp gpr gps gpt grb gre grf grg gri grn grp grr grs grt gsb gse gsf gsg gsi gsn gsp gsr gss gst gtb gte gtf gtg gti gtn gtp gtr gts gtt i-f ibb ibe ibf ibg ibi ibn ibp ibr ibs ibt ie- iee ief ieg iei ien iep ier ies iet ifb ife iff ifg ifi ifn ifp ifr ifs ift igb ige igf igg igi ign igp igr igs igt iib iie iif iii iin iip iir iis iit in- inb ine inf ing ini inn inp inr ins int ipb ipe ipf ipg ipi ipn ipp ipr ips ipt ir- irb ire irf irg iri irn irp irr irs irt is- isb ise isf isg isi isn isp isr iss ist itb ite itf itg iti itn itp its itt n-i nbb nbe nbf nbg nbi nbn nbp nbr nbs nbt ne- neb nee nef neg nei nen nep ner nes net nfb nfe nff nfi nfn nfp nfr nfs nft ngb nge ngf ngg ngi ngn ngp ngs ngt nib nie nif nig nii nin nip nir nis nit nnb nne nnf nng nni nnn nnp nns nnt npb npe npf npg npi npn npp npr nps npt nrb nre nrf nrg nri nrn nrp nrr nrs nrt nsb nse nsf nsg nsi nsn nsp nsr nss nst ntb nte ntf ntg nti ntn ntp ntr nts ntt p-p pbb pbe pbf pbg pbi pbn pbp pbr pbs pbt peb pee pef peg pei pen pep per pes pet pfb pfe pff pfg pfi pfn pfp pfr pfs pft pgb pge pgf pgg pgi pgn pgp pgr pgs pgt pib pie pif pig pii pin pip pir pis pit pn- pnb pne pnf png pni pnn pnp pnr pns pnt ppb ppe ppf ppg ppi ppn ppp ppr pps ppt prb pre prf prg pri prn prp prr prs prt ps- psb pse psf psg psi psn psp psr pss pst pt- ptb pte ptf ptg pti ptn ptp ptr pts ptt rbb rbe rbf rbg rbi rbn rbp rbr rbs rbt re- reb ree ref reg rei ren rep rer res ret rfb rfe rff rfg rfi rfn rfp rfr rfs rft rgb rge rgf rgg rgi rgn rgp rgr rgs rgt rib rie rif rig rii rin rip rir ris rit rnb rng rni rnn rnp rnr rns rnt rpb rpe rpf rpg rpi rpn rpp rpr rps rpt rrb rrf rrg rri rrn rrp rrr rrs rrt rsb rse rsf rsg rsi rsn rsp rsr rss rst rtb rte rtf rtg rti rtn rtp rtr rts rtt sbb sbe sbf sbg sbi sbn sbp sbr sbs sbt se- seb see sef seg sei sen sep ser ses set sfb sfe sff sfg sfi sfn sfp sfr sfs sft sgb sge sgf sgg sgi sgn sgp sgr sgs sgt sib sie sif sig sii sin sip sir sis sit snb sne snf sng sni snn snp snr sns snt spb spe spf spg spi spn spp spr sps spt sr- srb sre srf srg sri srn srp srr srs srt ss- ssb sse ssf ssg ssi ssn ssp ssr sss sst stb ste stf stg sti stn stp str sts stt tbb tbe tbf tbg tbi tbn tbp tbr tbs tbt te- teb tee tef teg tei ten tep ter tes tet tfb tfe tff tfg tfi tfn tfp tfr tfs tft tgb tge tgf tgg tgi tgn tgp tgr tgs tgt tib tie tif tig tii tin tip tir tis tit tnb tne tnf tng tni tnn tnp tnr tns tnt tpb tpe tpf tpg tpi tpn tpp tpr tps tpt trb tre trf trg tri trn trp trr trs trt tsb tse tsf tsg tsi tsn tsp tsr tss tst ttb tte ttf