b-p bbb bbe bbg bbi bbn bbp bbs bbt be- beb bee beg bei ben bep bes bet bgb bge bgg bgi bgn bgp bgs bgt bi- bib bie big bii bin bip bis bit bnb bne bng bni bnn bnp bns bnt bpb bpe bpg bpi bpn bpp bps bpt bsb bse bsg bsi bsn bsp bss bst btb bte btg bti btn btp bts btt ebb ebe ebg ebi ebn ebp ebs ebt eeb eee eeg een eep ees eet egb ege egg egi egn egp egs egt eib eie eig eii ein eip eis eit en- enb ene eng eni enn enp ens ent ep- epb epe epg epi epn epp eps ept es- esb ese esg esi esn esp ess est etb ete etg eti etn etp ets ett g-p gbe gbg gbi gbn gbp gbs gbt ge- geb gee geg gei gen gep ges get ggb ggg ggi ggn ggp ggs ggt gib gie gig gii gin gip gis git gnb gne gni gnn gnp gns gnt gpb gpe gpg gpi gpn gpp gps gpt gsb gse gsg gsi gsn gsp gss gst gtb gte gtg gti gtn gtp gts gtt ibb ibe ibg ibi ibn ibp ibs ibt ie- iee ieg iei ien iep ies iet igb ige igg igi ign igp igs igt iib iie iii iin iip iis iit in- inb ine ing ini inn inp ins int ipb ipe ipg ipi ipn ipp ips ipt is- isb ise isg isi isn isp iss ist itb ite itg iti itn itp its itt n-i nbb nbe nbg nbi nbn nbp nbs nbt ne- neb nee neg nei nen nep nes net ngb nge ngg ngi ngn ngp ngs ngt nib nie nig nii nin nip nis nit nnb nne nng nni nnn nnp nns nnt npb npe npg npi npn npp nps npt nsb nse nsg nsi nsn nsp nss nst ntb nte ntg nti ntn ntp nts ntt p-p pbb pbe pbg pbi pbn pbp pbs pbt peb pee peg pei pen pep pes pet pgb pge pgg pgi pgn pgp pgs pgt pib pie pig pii pin pip pis pit pn- pnb pne png pni pnn pnp pns pnt ppb ppe ppg ppi ppn ppp pps ppt ps- psb pse psg psi psn psp pss pst pt- ptb pte ptg pti ptn ptp pts ptt sbb sbe sbg sbi sbn sbp sbs sbt se- seb see seg sei sen sep ses set sgb sge sgg sgi sgn sgp sgs sgt sib sie sig sii sin sip sis sit snb sne sng sni snn snp sns snt spb spe spg spi spn spp sps spt ss- ssb sse ssg ssi ssn ssp sss sst stb ste stg sti stn stp sts stt tbb tbe tbg tbi tbn tbp tbs tbt te- teb tee teg tei ten tep tes tet tgb tge tgg tgi tgn tgp tgs tgt tib tie tig tii tin tip tis tit tnb tne tng tni tnn tnp tns tnt tpb tpe tpg tpi tpn tpp tps tpt tsb tse tsg tsi tsn tsp tss tst ttb tte ttg tti ttn ttp tts ttt