-er a-a aaa aad aae aan aao aar ad- ada add ade adn ado adr aea aed aee aen aeo aer an- ana and ane ann ano anr aoa aod aoe aon aoo aor ar- ara ard are arn aro arr daa dad dae dan dao dar dda ddd dde ddn ddo ddr de- dea ded dee den deo der dna dnd dne dnn dno dnr doa dod doe don doo dor dra drd dre drn dro drr eaa ead eae ean eao ear ed- eda edd ede edn edo edr eea eed eee een eeo eer en- ena end ene enn eno enr eo- eoa eod eoe eon eoo eor era erd ere ern ero err naa nad nae nan nao nar nda ndd nde ndn ndo ndr ne- nea ned nee nen neo ner nna nne nnn nno no- noa nod noe non noo nor nra nrd nre nrn nro nrr oaa oad oae oan oao oar oda odd ode odn odo odr oea oed oee oen oeo oer on- ona ond one onn ono onr oo- ooa ood oon ooo oor or- ora ord ore orn oro orr ra- raa rad rae ran rao rar rda rdd rde rdn rdo rdr re- rea red ree ren reo rer rna rnd rnn rno rnr roa rod roe ron roo ror rra rrd rrn rrr