-er -ol ddd dde ddl ddn ddo ddr de- ded dee del den deo der dl- dld dle dll dlo dlr dnd dne dnl dnn dno dnr dod doe dol don doo dor drd dre drl drn dro drr ed- edd ede edl edn edo edr eed eee eel een eeo eer eld ele ell eln elo elr en- end ene enl enn eno enr eo- eod eoe eol eon eoo eor erd ere erl ern ero err ldd lde ldl ldn ldo ldr led lee lel len leo ler lld lle lll lln llo llr lnd lne lnl lnn lno lnr lod loe lol lon loo lor lrd lrn lro lrr ndd nde ndl ndn ndo ndr ne- ned nee nel nen neo ner nld nle nll nln nlo nlr nne nnl nnn nno no- nod noe nol non noo nor nrd nre nrl nrn nro nrr odd ode odl odn odo odr oed oee oel oen oeo oer old ole oll oln olo on- ond one onl onn ono onr oo- ood ool oon ooo oor or- ord ore orl orn oro orr rdd rde rdl rdn rdo rdr re- red ree rel ren reo rer rld rle rll rln rlo rlr rnd rnn rno rnr rod roe rol ron roo ror rrd rrl rrn rrr