-er -ol ddd dde ddh ddl ddo ddr de- ded dee deh del deo der dh- dhd dhe dhh dhl dho dhr dl- dld dle dlh dll dlo dlr dod doe doh dol doo dor drd dre drl dro drr ed- edd ede edh edl edo edr eed eee eel eeo eer ehd ehe ehh ehl eho ehr eld ele elh ell elo elr eo- eod eoe eoh eol eoo eor erd ere erh erl ero err hdd hde hdh hdl hdo hdr he- hed hee heh hel heo her hhd hhe hhh hhl hho hhr hld hle hlh hll hlo hlr hod hoe hoh hol hoo hor hr- hrd hre hrh hrl hro hrr ldd lde ldh ldl ldo ldr led lee leh lel leo ler lhd lhh lho lhr lld lle lll llo llr lod loe loh lol loo lor lrd lrh lro lrr odd ode odh odl odo odr oed oee oeh oel oeo oer ohd ohe ohh ohl oho ohr old ole oll olo oo- ood ooh ool ooo oor or- ord ore orh orl oro orr rdd rde rdh rdl rdo rdr re- red ree reh rel reo rer rh- rhd rhe rhh rhl rho rhr rld rle rlh rll rlo rlr rod roe roh rol roo ror rrd rrh rrl rrr