eee eef eeg een eep ees eet ef- efe eff efg efi efp efs eft ege egf egg egi egn egp egs egt eie eif eig eii ein eip eis eit en- ene enf eng eni enn enp ens ent ep- epe epf epg epi epn epp eps ept es- ese esf esg esi esn esp ess est ete etf etg eti etn etp ets ett fee fef feg fei fen fep fes fet ffe fff ffg ffi ffn ffp ffs fft fge fgf fgg fgi fgn fgp fgs fgt fie fif fig fii fin fip fis fit fne fnf fng fni fnn fnp fns fnt fpe fpg fpi fpn fpp fps fpt fse fsf fsg fsi fsn fsp fss fst fte ftf ftg fti ftn ftp fts ftt g-p ge- gee gef geg gei gen gep ges get gfe gff gfi gfp gfs gft ggg ggi ggn ggp ggs ggt gie gif gig gii gin gip gis git gne gnf gni gnn gnp gns gnt gpe gpf gpg gpi gpn gpp gps gpt gse gsf gsg gsi gsn gsp gss gst gte gtf gtg gti gtn gtp gts gtt i-f ie- iee ief ieg iei ien iep ies iet ife iff ifg ifi ifn ifp ifs ift ige igf igg igi ign igp igs igt iie iif iii iin iip iis iit in- ine inf ing ini inn inp ins int ipe ipf ipg ipi ipn ipp ips ipt is- ise isf isg isi isn isp iss ist ite itf itg iti itn itp its itt n-i ne- nee nef neg nei nen nep nes net nfe nff nfi nfn nfp nfs nft nge ngf ngg ngi ngn ngp ngs ngt nie nif nig nii nin nip nis nit nne nnf nng nni nnn nnp nns nnt npe npf npg npi npn npp nps npt nse nsf nsg nsi nsn nsp nss nst nte ntf ntg nti ntn ntp nts ntt p-p pee pef peg pei pen pep pes pet pfe pff pfg pfi pfn pfp pfs pft pge pgf pgg pgi pgn pgp pgs pgt pie pif pig pii pin pip pis pit pn- pne pnf png pni pnn pnp pns pnt ppe ppf ppg ppi ppn ppp pps ppt ps- pse psf psg psi psn psp pss pst pt- pte ptf ptg pti ptn ptp pts ptt se- see sef seg sei sen sep ses set sfe sff sfg sfi sfn sfp sfs sft sge sgf sgg sgi sgn sgp sgs sgt sie sif sig sii sin sip sis sit sne snf sng sni snn snp sns snt spe spf spg spi spn spp sps spt ss- sse ssf ssg ssi ssn ssp sss sst ste stf stg sti stn stp sts stt te- tee tef teg tei ten tep tes tet tfe tff tfg tfi tfn tfp tfs tft tge tgf tgg tgi tgn tgp tgs tgt tie tif tig tii tin tip tis tit tne tnf tng tni tnn tnp tns tnt tpe tpf tpg tpi tpn tpp tps tpt tse tsf tsg tsi tsn tsp tss tst tte ttf ttg tti ttn ttp tts ttt