-er -ol ddd dde ddf ddi ddl ddo ddr de- ded dee def dei del deo der dfd dfe dff dfi dfl dfo dfr di- did die dif dii dil dio dir dl- dld dle dlf dli dll dlo dlr dod doe dof doi dol doo dor drd dre dri drl dro drr ed- edd ede edf edi edl edo edr eed eee eef eel eeo eer ef- efd efe eff efi efl efo efr eid eie eif eii eil eio eir eld ele elf eli ell elo elr eo- eod eoe eof eoi eol eoo eor erd ere erf eri erl ero err fdd fde fdf fdi fdl fdo fdr fed fee fef fei fel feo fer ffd ffe fff ffi ffl ffo ffr fid fie fif fii fil fir fld fle flf fli fll flo flr foe fof foi fol foo for frd fre frf fri frl fro frr i-d i-f idd ide idf idi idl ido idr ie- ied iee ief iei iel ier ifd ife iff ifi ifl ifo ifr iid iie iif iii iil iio iir il- ild ile ilf ili ill ilo ilr io- iod ioe iof ioi iol ioo ior ir- ird ire irf iri irl iro irr ldd lde ldf ldi ldl ldo ldr led lee lef lei lel leo ler lfd lfe lff lfi lfl lfo lfr lid lie lif lii lil lio lir lld lle llf lli lll llo llr lod loe lof loi lol loo lor lrd lrf lri lro lrr o-i odd ode odf odi odl odo odr oed oee oef oei oel oeo oer of- ofd ofe off ofi ofl ofo ofr oid oie oif oii oil oio oir old ole olf oli oll olo oo- ood oof ooi ool ooo oor or- ord ore orf ori orl oro orr rdd rde rdf rdi rdl rdo rdr re- red ree ref rei rel reo rer rfd rfe rff rfi rfl rfo rfr rid rie rif rii ril rio rir rld rle rlf rli rll rlo rlr rod roe rof roi rol roo ror rrd rrf rri rrl rrr