-er ddd dde ddf ddi ddn ddo ddr dds de- ded dee def dei den deo der des dev dfd dfe dff dfi dfn dfo dfr dfs dfv di- did die dif dii din dio dir dis div dnd dne dnf dni dnn dno dnr dns dod doe dof doi don doo dor dos dov drd dre dri drn dro drr drs drv dsd dse dsf dsi dsn dso dsr dss dsv dvd dve dvi dvn dvr dvs ed- edd ede edf edi edn edo edr eds eed eee eef een eeo eer ees eev ef- efd efe eff efi efo efr efs eid eie eif eii ein eio eir eis eiv en- end ene enf eni enn eno enr ens env eo- eod eoe eof eoi eon eoo eor eos erd ere erf eri ern ero err ers erv es- esd ese esf esi esn eso esr ess esv evd eve evf evi evn evo evr evs evv fdd fde fdf fdi fdn fdo fdr fds fed fee fef fei fen feo fer fes fev ffd ffe fff ffi ffn ffo ffr ffs ffv fid fie fif fii fin fir fis fnd fne fnf fni fnn fnr fns fnv foe fof foi fon foo for fos frd fre frf fri frn fro frr frs fsd fse fsf fsi fsn fso fsr fss fsv fvd i-d i-f i-v idd ide idf idi idn ido idr ids idv ie- ied iee ief iei ien ier ies iev 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 inv io- iod ioe iof ioi ion ioo ior ios iov ir- ird ire irf iri irn iro irr irs irv is- isd ise isf isi isn iso isr iss isv ivd ive ivf ivi ivo ivr ivs ivv n-i ndd nde ndf ndi ndn ndo ndr nds ndv ne- ned nee nef nei nen neo ner nes nev nfd nfe nff nfi nfn nfo nfr nfs nfv nid nie nif nii nin nio nir nis niv nne nnf nni nnn nno nns nnv no- nod noe nof noi non noo nor nos nov nrd nre nrf nri nrn nro nrr nrs nrv nsd nse nsf nsi nsn nso nsr nss nsv nvd nve nvi nvn nvv o-i odd ode odf odi odn odo odr ods odv oed oee oef oei oen oeo oer oes of- ofd ofe off ofi ofn ofo ofr ofs ofv oid oie oif oii oin oio oir ois oiv on- ond one onf oni onn ono onr ons oo- ood oof ooi oon ooo oor oos oov or- ord ore orf ori orn oro orr ors orv os- osd ose osf osi osn oso osr oss osv ov- ovd ove ovf ovi ovo ovs ovv rdd rde rdf rdi rdn rdo rdr rds rdv re- red ree ref rei ren reo rer res rev rfd rfe rff rfi rfn rfo rfr rfs rfv rid rie rif rii rin rio rir ris riv rnd rni rnn rno rnr rns rnv rod roe rof roi ron roo ror ros rov rrd rrf rri rrn rrr rrs rsd rse rsf rsi rsn rso rsr rss rsv rvd rve rvf rvi rvn rvo rvr rvs rvv sdd sde sdf sdi sdn sdo sdr sds sdv se- sed see sef sei sen seo ser ses sev sfd sfe sff sfi sfn sfo sfr sfs sfv sid sie sif sii sin sio sir sis siv snd sne snf sni snn sno snr sns snv sod soe sof soi son soo sor sos sov sr- srd sre srf sri srn sro srr srs srv ss- ssd sse ssf ssi ssn sso ssr sss ssv svd sve svf svi svn svo svr svs svv v-e vdd vde vdf vdi vdo vdr vds vdv ved vee vef vei ven veo ver ves vfd vff vfi vfn vfr vfs vfv vi- vid vie vif vii vin vio vir vis viv vn- vnd vnf vni vno vnr vns vnv vod voe vof voi von voo vor vos vov vrd vre vrf vri vrn vrr vrs vsd vse vsf vsi vsn vso vsr vss vsv vvi vvo vvr vvs vvv