-er ddd dde ddf ddh ddo ddr de- ded dee def deh deo der dfd dfe dff dfh dfo dfr dh- dhd dhe dhf dhh dho dhr dod doe dof doh doo dor drd dre dro drr ed- edd ede edf edh edo edr eed eee eef eeo eer ef- efd efe eff efh efo efr ehd ehe ehf ehh eho ehr eo- eod eoe eof eoh eoo eor erd ere erf erh ero err fdd fde fdf fdh fdo fdr fed fee fef feh feo fer ffd ffe fff ffh ffo ffr fhe fhf fhh fho fhr foe fof foh foo for frd fre frf frh fro frr hdd hde hdf hdh hdo hdr he- hed hee hef heh heo her hfd hfe hff hfh hfo hfr hhd hhe hhf hhh hho hhr hod hoe hof hoh hoo hor hr- hrd hre hrf hrh hro hrr odd ode odf odh odo odr oed oee oef oeh oeo oer of- ofd ofe off ofo ofr ohd ohe ohf ohh oho ohr oo- ood oof ooh ooo oor or- ord ore orf orh oro orr rdd rde rdf rdh rdo rdr re- red ree ref reh reo rer rfd rfe rff rfh rfo rfr rh- rhd rhe rhf rhh rho rhr rod roe rof roh roo ror rrd rrf rrh rrr