-er a-a aaa aad aae aan aao aar aau ad- ada add ade adn ado adr adu aea aed aee aen aeo aer aeu an- ana and ane ann ano anr anu aoa aod aoe aon aoo aor aou ar- ara ard are arn aro arr aru au- aua aud aue aun auo aur daa dad dae dan dao dar dau dda ddd dde ddn ddo ddr ddu de- dea ded dee den deo der deu dna dnd dne dnn dno dnr doa dod doe don doo dor dou dra drd dre drn dro drr dru dua dud due dun duo dur eaa ead eae ean eao ear eau ed- eda edd ede edn edo edr edu eea eed eee een eeo eer en- ena end ene enn eno enr enu eo- eoa eod eoe eon eoo eor eou era erd ere ern ero err eru eu- eua eud eue eun eur naa nad nae nan nao nar nau nda ndd nde ndn ndo ndr ndu ne- nea ned nee nen neo ner neu nna nne nnn nno nnu no- noa nod noe non noo nor nou nra nrd nre nrn nro nrr nru nua nud nue nun nuo nur nuu oaa oad oae oan oao oar oau oda odd ode odn odo odr odu oea oed oee oen oeo oer on- ona ond one onn ono onr onu oo- ooa ood oon ooo oor or- ora ord ore orn oro orr oru ou- oua oud oue oun ouo our ra- raa rad rae ran rao rar rau rda rdd rde rdn rdo rdr rdu re- rea red ree ren reo rer reu rna rnd rnn rno rnr rnu roa rod roe ron roo ror rou rra rrd rrn rrr rru rua rud rue run ruo rur ruu ua- uaa uad uae uan uao uar uau uda udd ude udn udo udr udu uea ued uee uen uer un- una und une unn uno unr unu uoa uod uoe uon uoo uor ur- ura urd ure urn uro urr uru uua uue uun uur uuu