-er -ol ddd dde ddl ddn ddo ddr ddx de- ded dee del den deo der dex dl- dld dle dll dlo dlr dlx dnd dne dnl dnn dno dnr dod doe dol don doo dor dox drd dre drl drn dro drr drx dxd dxl dxn dxo dxr dxx ed- edd ede edl edn edo edr edx eed eee eel een eeo eer eex eld ele ell eln elo elr elx en- end ene enl enn eno enr eo- eod eoe eol eon eoo eor erd ere erl ern ero err ex- exd exe exl exo exr exx ldd lde ldl ldn ldo ldr led lee lel len leo ler lex lld lle lll lln llo llr lnd lne lnl lnn lno lnr lod loe lol lon loo lor lox lrd lrn lro lrr lxd lxo lxr lxx ndd nde ndl ndn ndo ndr ne- ned nee nel nen neo ner nex nld nle nll nln nlo nlr nlx nne nnl nnn nno no- nod noe nol non noo nor nox nrd nre nrl nrn nro nrr nrx nxd nxl odd ode odl odn odo odr oed oee oel oen oeo oer oex old ole oll oln olo on- ond one onl onn ono onr onx oo- ood ool oon ooo oor oox or- ord ore orl orn oro orr orx ox- oxn oxo oxx rdd rde rdl rdn rdo rdr rdx re- red ree rel ren reo rer rex rld rle rll rln rlo rlr rnd rnn rno rnr rod roe rol ron roo ror rox rrd rrl rrn rrr rxr xde xdr xed xee xel xen xer xex xld xlr xno xod xon xoo xor xox xrd xrx xxl xxo xxx