-er ddd dde ddf ddi ddn ddo ddr dds de- ded dee def dei den deo der des dfd dfe dff dfi dfn dfo dfr dfs di- did die dif dii din dio dir dis dnd dne dnf dni dnn dno dnr dns dod doe dof doi don doo dor dos drd dre dri drn dro drr drs dsd dse dsf dsi dsn dso dsr dss ed- edd ede edf edi edn edo edr eds eed eee eef een eeo eer ees ef- efd efe eff efi efo efr efs eid eie eif eii ein eio eir eis en- end ene enf eni enn eno enr ens eo- eod eoe eof eoi eon eoo eor eos erd ere erf eri ern ero err ers es- esd ese esf esi esn eso esr ess fdd fde fdf fdi fdn fdo fdr fds fed fee fef fei fen feo fer fes ffd ffe fff ffi ffn ffo ffr ffs fid fie fif fii fin fir fis fnd fne fnf fni fnn fnr fns foe fof foi fon foo for fos frd fre frf fri frn fro frr frs fsd fse fsf fsi fsn fso fsr fss i-d i-f idd ide idf idi idn ido idr ids ie- ied iee ief iei ien ier ies ifd ife iff ifi ifn ifo ifr ifs iid iie iif iii iin iio iir iis in- ind ine inf ini inn ino inr ins io- iod ioe iof ioi ion ioo ior ios ir- ird ire irf iri irn iro irr irs is- isd ise isf isi isn iso isr iss n-i ndd nde ndf ndi ndn ndo ndr nds ne- ned nee nef nei nen neo ner nes nfd nfe nff nfi nfn nfo nfr nfs nid nie nif nii nin nio nir nis nne nnf nni nnn nno nns no- nod noe nof noi non noo nor nos nrd nre nrf nri nrn nro nrr nrs nsd nse nsf nsi nsn nso nsr nss o-i odd ode odf odi odn odo odr ods oed oee oef oei oen oeo oer oes of- ofd ofe off ofi ofn ofo ofr ofs oid oie oif oii oin oio oir ois on- ond one onf oni onn ono onr ons oo- ood oof ooi oon ooo oor oos or- ord ore orf ori orn oro orr ors os- osd ose osf osi osn oso osr oss rdd rde rdf rdi rdn rdo rdr rds re- red ree ref rei ren reo rer res rfd rfe rff rfi rfn rfo rfr rfs rid rie rif rii rin rio rir ris rnd rni rnn rno rnr rns rod roe rof roi ron roo ror ros rrd rrf rri rrn rrr rrs rsd rse rsf rsi rsn rso rsr rss sdd sde sdf sdi sdn sdo sdr sds se- sed see sef sei sen seo ser ses sfd sfe sff sfi sfn sfo sfr sfs sid sie sif sii sin sio sir sis snd sne snf sni snn sno snr sns sod soe sof soi son soo sor sos sr- srd sre srf sri srn sro srr srs ss- ssd sse ssf ssi ssn sso ssr sss