-er -ol ddd dde ddf ddl ddn ddo ddr de- ded dee def del den deo der dfd dfe dff dfl dfn dfo dfr dl- dld dle dlf dll dlo dlr dnd dne dnf dnl dnn dno dnr dod doe dof dol don doo dor drd dre drl drn dro drr ed- edd ede edf edl edn edo edr eed eee eef eel een eeo eer ef- efd efe eff efl efo efr eld ele elf ell eln elo elr en- end ene enf enl enn eno enr eo- eod eoe eof eol eon eoo eor erd ere erf erl ern ero err fdd fde fdf fdl fdn fdo fdr fed fee fef fel fen feo fer ffd ffe fff ffl ffn ffo ffr fld fle flf fll fln flo flr fnd fne fnf fnl fnn fnr foe fof fol fon foo for frd fre frf frl frn fro frr ldd lde ldf ldl ldn ldo ldr led lee lef lel len leo ler lfd lfe lff lfl lfn lfo lfr lld lle llf lll lln llo llr lnd lne lnl lnn lno lnr lod loe lof lol lon loo lor lrd lrf lrn lro lrr ndd nde ndf ndl ndn ndo ndr ne- ned nee nef nel nen neo ner nfd nfe nff nfl nfn nfo nfr nld nle nlf nll nln nlo nlr nne nnf nnl nnn nno no- nod noe nof nol non noo nor nrd nre nrf nrl nrn nro nrr odd ode odf odl odn odo odr oed oee oef oel oen oeo oer of- ofd ofe off ofl ofn ofo ofr old ole olf oll oln olo on- ond one onf onl onn ono onr oo- ood oof ool oon ooo oor or- ord ore orf orl orn oro orr rdd rde rdf rdl rdn rdo rdr re- red ree ref rel ren reo rer rfd rfe rff rfl rfn rfo rfr rld rle rlf rll rln rlo rlr rnd rnn rno rnr rod roe rof rol ron roo ror rrd rrf rrl rrn rrr