-er -ol ddd dde ddi ddl ddo ddr de- ded dee dei del deo der di- did die dii dil dio dir dl- dld dle dli dll dlo dlr dod doe doi dol doo dor drd dre dri drl dro drr ed- edd ede edi edl edo edr eed eee eel eeo eer eid eie eii eil eio eir eld ele eli ell elo elr eo- eod eoe eoi eol eoo eor erd ere eri erl ero err i-d idd ide idi idl ido idr ie- ied iee iei iel ier iid iie iii iil iio iir il- ild ile ili ill ilo ilr io- iod ioe ioi iol ioo ior ir- ird ire iri irl iro irr ldd lde ldi ldl ldo ldr led lee lei lel leo ler lid lie lii lil lio lir lld lle lli lll llo llr lod loe loi lol loo lor lrd lri lro lrr o-i odd ode odi odl odo odr oed oee oei oel oeo oer oid oie oii oil oio oir old ole oli oll olo oo- ood ooi ool ooo oor or- ord ore ori orl oro orr rdd rde rdi rdl rdo rdr re- red ree rei rel reo rer rid rie rii ril rio rir rld rle rli rll rlo rlr rod roe roi rol roo ror rrd rri rrl rrr