-er eee eef eeg een eeo eer ees eet ef- efe eff efg efi efo efr efs eft ege egf egg egi egn ego egr egs egt eie eif eig eii ein eio eir eis eit en- ene enf eng eni enn eno enr ens ent eo- eoe eof eog eoi eon eoo eor eos eot ere erf erg eri ern ero err ers ert es- ese esf esg esi esn eso esr ess est ete etf etg eti etn eto etr ets ett fee fef feg fei fen feo fer fes fet ffe fff ffg ffi ffn ffo ffr ffs fft fge fgf fgg fgi fgn fgr fgs fgt fie fif fig fii fin fir fis fit fne fnf fng fni fnn fnr fns fnt foe fof fog foi fon foo for fos fot fre frf frg fri frn fro frr frs frt fse fsf fsg fsi fsn fso fsr fss fst fte ftf ftg fti ftn fto ftr fts ftt ge- gee gef geg gei gen geo ger ges get gfe gff gfi gfo gfr gfs gft ggg ggi ggn ggo ggr ggs ggt gie gif gig gii gin gio gir gis git gne gnf gni gnn gno gnr gns gnt goe gof gog goi gon goo gor gos got gre grf grg gri grn gro grr grs grt gse gsf gsg gsi gsn gso gsr gss gst gte gtf gtg gti gtn gto gtr gts gtt i-f ie- iee ief ieg iei ien ier ies iet ife iff ifg ifi ifn ifo ifr ifs ift ige igf igg igi ign igo igr igs igt iie iif iii iin iio iir iis iit in- ine inf ing ini inn ino inr ins int io- ioe iof iog ioi ion ioo ior ios iot ir- ire irf irg iri irn iro irr irs irt is- ise isf isg isi isn iso isr iss ist ite itf itg iti itn ito its itt n-i ne- nee nef neg nei nen neo ner nes net nfe nff nfi nfn nfo nfr nfs nft nge ngf ngg ngi ngn ngo ngs ngt nie nif nig nii nin nio nir nis nit nne nnf nng nni nnn nno nns nnt no- noe nof nog noi non noo nor nos not nre nrf nrg nri nrn nro nrr nrs nrt nse nsf nsg nsi nsn nso nsr nss nst nte ntf ntg nti ntn nto ntr nts ntt o-i oee oef oeg oei oen oeo oer oes oet of- ofe off ofg ofi ofn ofo ofr ofs oft oge ogf ogg ogi ogn ogo ogs ogt oie oif oii oin oio oir ois oit on- one onf ong oni onn ono onr ons ont oo- oof oog ooi oon ooo oor oos oot or- ore orf org ori orn oro orr ors ort os- ose osf osg osi osn oso osr oss ost ot- ote otf otg oti otn oto otr ots ott re- ree ref reg rei ren reo rer res ret rfe rff rfg rfi rfn rfo rfr rfs rft rge rgf rgg rgi rgn rgo rgr rgs rgt rie rif rig rii rin rio rir ris rit rng rni rnn rno rnr rns rnt roe rof rog roi ron roo ror ros rot rrf rrg rri rrn rrr rrs rrt rse rsf rsg rsi rsn rso rsr rss rst rte rtf rtg rti rtn rto rtr rts rtt se- see sef seg sei sen seo ser ses set sfe sff sfg sfi sfn sfo sfr sfs sft sge sgf sgg sgi sgn sgo sgr sgs sgt sie sif sig sii sin sio sir sis sit sne snf sng sni snn sno snr sns snt soe sof sog soi son soo sor sos sot sr- sre srf srg sri srn sro srr srs srt ss- sse ssf ssg ssi ssn sso ssr sss sst ste stf stg sti stn sto str sts stt te- tee tef teg tei ten teo ter tes tet tfe tff tfg tfi tfn tfo tfr tfs tft tge tgf tgg tgi tgn tgo tgr tgs tgt tie tif tig tii tin tio tir tis tit tne tnf tng tni tnn tno tnr tns tnt to- toe tof tog toi ton too tor tos tot tre trf trg tri trn tro trr trs trt tse tsf tsg tsi tsn tso tsr tss tst tte ttf ttg tti ttn tto ttr tts ttt