-er -ol ddd dde ddf ddh ddl ddo ddr de- ded dee def deh del deo der dfd dfe dff dfh dfl dfo dfr dh- dhd dhe dhf dhh dhl dho dhr dl- dld dle dlf dlh dll dlo dlr dod doe dof doh dol doo dor drd dre drl dro drr ed- edd ede edf edh edl edo edr eed eee eef eel eeo eer ef- efd efe eff efh efl efo efr ehd ehe ehf ehh ehl eho ehr eld ele elf elh ell elo elr eo- eod eoe eof eoh eol eoo eor erd ere erf erh erl ero err fdd fde fdf fdh fdl fdo fdr fed fee fef feh fel feo fer ffd ffe fff ffh ffl ffo ffr fhe fhf fhh fhl fho fhr fld fle flf fll flo flr foe fof foh fol foo for frd fre frf frh frl fro frr hdd hde hdf hdh hdl hdo hdr he- hed hee hef heh hel heo her hfd hfe hff hfh hfl hfo hfr hhd hhe hhf hhh hhl hho hhr hld hle hlf hlh hll hlo hlr hod hoe hof hoh hol hoo hor hr- hrd hre hrf hrh hrl hro hrr ldd lde ldf ldh ldl ldo ldr led lee lef leh lel leo ler lfd lfe lff lfh lfl lfo lfr lhd lhf lhh lho lhr lld lle llf lll llo llr lod loe lof loh lol loo lor lrd lrf lrh lro lrr odd ode odf odh odl odo odr oed oee oef oeh oel oeo oer of- ofd ofe off ofl ofo ofr ohd ohe ohf ohh ohl oho ohr old ole olf oll olo oo- ood oof ooh ool ooo oor or- ord ore orf orh orl oro orr rdd rde rdf rdh rdl rdo rdr re- red ree ref reh rel reo rer rfd rfe rff rfh rfl rfo rfr rh- rhd rhe rhf rhh rhl rho rhr rld rle rlf rlh rll rlo rlr rod roe rof roh rol roo ror rrd rrf rrh rrl rrr