-er ddd dde ddf ddi ddm ddn ddo ddr dds de- ded dee def dei dem den deo der des dfd dfe dff dfi dfm dfn dfo dfr dfs di- did die dif dii dim din dio dir dis dmd dme dmf dmi dmm dmn dmo dmr dms dnd dne dnf dni dnm dnn dno dnr dns dod doe dof doi dom don doo dor dos drd dre dri drm drn dro drr drs dsd dse dsf dsi dsm dsn dso dsr dss ed- edd ede edf edi edm edn edo edr eds eed eee eef eem een eeo eer ees ef- efd efe eff efi efm efo efr efs eid eie eif eii eim ein eio eir eis em- emd eme emf emi emm emn emo emr ems en- end ene enf eni enm enn eno enr ens eo- eod eoe eof eoi eom eon eoo eor eos erd ere erf eri erm ern ero err ers es- esd ese esf esi esm esn eso esr ess fdd fde fdf fdi fdm fdn fdo fdr fds fed fee fef fei fem fen feo fer fes ffd ffe fff ffi ffm ffn ffo ffr ffs fid fie fif fii fim fin fir fis fmd fme fmf fmi fmm fmn fmo fmr fms fnd fne fnf fni fnm fnn fnr fns foe fof foi fom fon foo for fos frd fre frf fri frm frn fro frr frs fsd fse fsf fsi fsm fsn fso fsr fss i-d i-f idd ide idf idi idm idn ido idr ids ie- ied iee ief iei iem ien ier ies ifd ife iff ifi ifm ifn ifo ifr ifs iid iie iif iii iim iin iio iir iis im- imd ime imf imi imm imn imo ims in- ind ine inf ini inm inn ino inr ins io- iod ioe iof ioi iom ion ioo ior ios ir- ird ire irf iri irm irn iro irr irs is- isd ise isf isi ism isn iso isr iss m-f m-o m-r mdd mde mdf mdi mdm mdn mdo mdr mds med mee mef mei mem men meo mer mes mfd mfe mff mfi mfm mfn mfo mfr mfs mi- mid mie mif mii mim min mio mir mis mmd mme mmf mmi mmm mmn mmo mmr mms mne mnf mni mnm mnn mno mnr mns mod moe mof moi mom mon moo mor mos mrd mre mrf mri mrm mrn mro mrr mrs msd mse msf msi msm msn mso msr mss n-i ndd nde ndf ndi ndm ndn ndo ndr nds ne- ned nee nef nei nem nen neo ner nes nfd nfe nff nfi nfn nfo nfr nfs nid nie nif nii nim nin nio nir nis nmd nme nmi nmm nmn nmo nmr nms nne nnf nni nnm nnn nno nns no- nod noe nof noi nom non noo nor nos nrd nre nrf nri nrm nrn nro nrr nrs nsd nse nsf nsi nsm nsn nso nsr nss o-i odd ode odf odi odm odn odo odr ods oed oee oef oei oem oen oeo oer oes of- ofd ofe off ofi ofm ofn ofo ofr ofs oid oie oif oii oim oin oio oir ois om- omd ome omf omi omm omn omo omr oms on- ond one onf oni onn ono onr ons oo- ood oof ooi oom oon ooo oor oos or- ord ore orf ori orm orn oro orr ors os- osd ose osf osi osm osn oso osr oss rdd rde rdf rdi rdm rdn rdo rdr rds re- red ree ref rei rem ren reo rer res rfd rfe rff rfi rfm rfn rfo rfr rfs rid rie rif rii rim rin rio rir ris rmd rme rmf rmi rmm rmn rmo rmr rms rnd rni rnm rnn rno rnr rns rod roe rof roi rom ron roo ror ros rrd rrf rri rrm rrn rrr rrs rsd rse rsf rsi rsm rsn rso rsr rss sdd sde sdf sdi sdm sdn sdo sdr sds se- sed see sef sei sem sen seo ser ses sfd sfe sff sfi sfm sfn sfo sfr sfs sid sie sif sii sim sin sio sir sis smd sme smf smi smm smn smo smr sms snd sne snf sni snm snn sno snr sns sod soe sof soi som son soo sor sos sr- srd sre srf sri srm srn sro srr srs ss- ssd sse ssf ssi ssm ssn sso ssr sss