-er ddd dde ddf ddg ddi ddn ddo ddp ddr dds de- ded dee def deg dei den deo dep der des dfd dfe dff dfg dfi dfn dfo dfp dfr dfs dgd dge dgf dgg dgi dgn dgp dgr dgs di- did die dif dig dii din dio dip dir dis dnd dne dnf dng dni dnn dno dnp dnr dns dod doe dof dog doi don doo dop dor dos dpd dpe dpf dpg dpi dpn dpo dpp dpr dps drd dre drg dri drn dro drp drr drs dsd dse dsf dsg dsi dsn dso dsp dsr dss ed- edd ede edf edg edi edn edo edp edr eds eed eee eef eeg een eeo eep eer ees ef- efd efe eff efg efi efo efp efr efs egd ege egf egg egi egn ego egp egr egs eid eie eif eig eii ein eio eip eir eis en- end ene enf eng eni enn eno enp enr ens eo- eod eoe eof eog eoi eon eoo eop eor eos ep- epd epe epf epg epi epn epo epp epr eps erd ere erf erg eri ern ero erp err ers es- esd ese esf esg esi esn eso esp esr ess fdd fde fdf fdg fdi fdn fdo fdp fdr fds fed fee fef feg fei fen feo fep fer fes ffd ffe fff ffg ffi ffn ffo ffp ffr ffs fgd fge fgf fgg fgi fgn fgp fgr fgs fid fie fif fig fii fin fip fir fis fnd fne fnf fng fni fnn fnp fnr fns foe fof fog foi fon foo fop for fos fpd fpe fpg fpi fpn fpo fpp fpr fps frd fre frf frg fri frn fro frp frr frs fsd fse fsf fsg fsi fsn fso fsp fsr fss g-d g-p gdd gde gdf gdi gdn gdo gdp gdr gds ge- ged gee gef geg gei gen geo gep ger ges gfd gfe gff gfi gfo gfp gfr gfs ggd ggg ggi ggn ggo ggp ggr ggs gid gie gif gig gii gin gio gip gir gis gnd gne gnf gni gnn gno gnp gnr gns god goe gof gog goi gon goo gop gor gos gpd gpe gpf gpg gpi gpn gpo gpp gpr gps grd gre grf grg gri grn gro grp grr grs gsd gse gsf gsg gsi gsn gso gsp gsr gss i-d i-f idd ide idf idg idi idn ido idp idr ids ie- ied iee ief ieg iei ien iep ier ies ifd ife iff ifg ifi ifn ifo ifp ifr ifs igd ige igf igg igi ign igo igp igr igs iid iie iif iii iin iio iip iir iis in- ind ine inf ing ini inn ino inp inr ins io- iod ioe iof iog ioi ion ioo iop ior ios ipd ipe ipf ipg ipi ipn ipo ipp ipr ips ir- ird ire irf irg iri irn iro irp irr irs is- isd ise isf isg isi isn iso isp isr iss n-i ndd nde ndf ndg ndi ndn ndo ndp ndr nds ne- ned nee nef neg nei nen neo nep ner nes nfd nfe nff nfi nfn nfo nfp nfr nfs ngd nge ngf ngg ngi ngn ngo ngp ngs nid nie nif nig nii nin nio nip nir nis nne nnf nng nni nnn nno nnp nns no- nod noe nof nog noi non noo nop nor nos npd npe npf npg npi npn npo npp npr nps nrd nre nrf nrg nri nrn nro nrp nrr nrs nsd nse nsf nsg nsi nsn nso nsp nsr nss o-i odd ode odf odg odi odn odo odp odr ods oed oee oef oeg oei oen oeo oep oer oes of- ofd ofe off ofg ofi ofn ofo ofp ofr ofs ogd oge ogf ogg ogi ogn ogo ogp ogs oid oie oif oii oin oio oip oir ois on- ond one onf ong oni onn ono onp onr ons oo- ood oof oog ooi oon ooo oop oor oos op- opd ope opf opg opi opn opo opp opr ops or- ord ore orf org ori orn oro orp orr ors os- osd ose osf osg osi osn oso osp osr oss p-p pdd pde pdf pdg pdi pdn pdo pdp pdr pds ped pee pef peg pei pen peo pep per pes pfd pfe pff pfg pfi pfn pfo pfp pfr pfs pgd pge pgf pgg pgi pgn pgo pgp pgr pgs pid pie pif pig pii pin pio pip pir pis pn- pnd pne pnf png pni pnn pno pnp pnr pns pod poe pof pog poi pon poo pop por pos ppd ppe ppf ppg ppi ppn ppo ppp ppr pps prd pre prf prg pri prn pro prp prr prs ps- psd pse psf psg psi psn pso psp psr pss rdd rde rdf rdg rdi rdn rdo rdp rdr rds re- red ree ref reg rei ren reo rep rer res rfd rfe rff rfg rfi rfn rfo rfp rfr rfs rgd rge rgf rgg rgi rgn rgo rgp rgr rgs rid rie rif rig rii rin rio rip rir ris rnd rng rni rnn rno rnp rnr rns rod roe rof rog roi ron roo rop ror ros rpd rpe rpf rpg rpi rpn rpo rpp rpr rps rrd rrf rrg rri rrn rrp rrr rrs rsd rse rsf rsg rsi rsn rso rsp rsr rss sdd sde sdf sdg sdi sdn sdo sdp sdr sds se- sed see sef seg sei sen seo sep ser ses sfd sfe sff sfg sfi sfn sfo sfp sfr sfs sgd sge sgf sgg sgi sgn sgo sgp sgr sgs sid sie sif sig sii sin sio sip sir sis snd sne snf sng sni snn sno snp snr sns sod soe sof sog soi son soo sop sor sos spd spe spf spg spi spn spo spp spr sps sr- srd sre srf srg sri srn sro srp srr srs ss- ssd sse