-er ddd dde ddf ddi ddo ddr ddz de- ded dee def dei deo der dev dez dfd dfe dff dfi dfo dfr dfv dfz di- did die dif dii dio dir div diz dod doe dof doi doo dor dov doz drd dre dri dro drr drv drz dvd dve dvi dvr dzd dze dzi dzo dzr ed- edd ede edf edi edo edr eed eee eef eeo eer eev ef- efd efe eff efi efo efr eid eie eif eii eio eir eiv eo- eod eoe eof eoi eoo eor erd ere erf eri ero err erv erz evd eve evf evi evo evr evv eze ezf ezo ezr ezz fdd fde fdf fdi fdo fdr fed fee fef fei feo fer fev fez ffd ffe fff ffi ffo ffr ffv ffz fid fie fif fii fir fiz foe fof foi foo for foz frd fre frf fri fro frr fvd fzd i-d i-f i-v idd ide idf idi ido idr idv ie- ied iee ief iei ier iev ifd ife iff ifi ifo ifr ifz iid iie iif iii iio iir io- iod ioe iof ioi ioo ior iov ir- ird ire irf iri iro irr irv ivd ive ivf ivi ivo ivr ivv ize izi izo izz o-i odd ode odf odi odo odr odv oed oee oef oei oeo oer of- ofd ofe off ofi ofo ofr ofv ofz oid oie oif oii oio oir oiv oiz oo- ood oof ooi ooo oor oov or- ord ore orf ori oro orr orv orz ov- ovd ove ovf ovi ovo ovv oze ozo ozz rdd rde rdf rdi rdo rdr rdv re- red ree ref rei reo rer rev rez rfd rfe rff rfi rfo rfr rfv rfz rid rie rif rii rio rir riv riz rod roe rof roi roo ror rov roz rrd rrf rri rrr rvd rve rvf rvi rvo rvr rvv rze rzo v-e vdd vde vdf vdi vdo vdr vdv ved vee vef vei veo ver vez vfd vff vfi vfr vfv vi- vid vie vif vii vio vir viv viz vod voe vof voi voo vor vov voz vrd vre vrf vri vrr vvi vvo vvr vvv vvz zdf zdv zed zee zef zeo zer zev zez zfd zfr zid zie zif zio zir ziv ziz zo- zod zoe zof zoi zoo zor zro zvi zzr zzz