-er a-a aaa aad aae aaf aan aao aar aau ad- ada add ade adf adn ado adr adu aea aed aee aef aen aeo aer aeu af- afa afd afe aff afn afo afr afu an- ana and ane anf ann ano anr anu aoa aod aoe aof aon aoo aor aou ar- ara ard are arf arn aro arr aru au- aua aud aue auf aun auo aur daa dad dae daf dan dao dar dau dda ddd dde ddf ddn ddo ddr ddu de- dea ded dee def den deo der deu dfa dfd dfe dff dfn dfo dfr dfu dna dnd dne dnf dnn dno dnr doa dod doe dof don doo dor dou dra drd dre drn dro drr dru dua dud due duf dun duo dur eaa ead eae eaf ean eao ear eau ed- eda edd ede edf edn edo edr edu eea eed eee eef een eeo eer ef- efa efd efe eff efo efr en- ena end ene enf enn eno enr enu eo- eoa eod eoe eof eon eoo eor eou era erd ere erf ern ero err eru eu- eua eud eue euf eun eur faa fad fae faf fan fao far fau fda fdd fde fdf fdn fdo fdr fdu fea fed fee fef fen feo fer feu ffa ffd ffe fff ffn ffo ffr ffu fna fnd fne fnf fnn fnr fnu foa foe fof fon foo for fou fra frd fre frf frn fro frr fru fua fud fue fuf fun fuo fur fuu naa nad nae naf nan nao nar nau nda ndd nde ndf ndn ndo ndr ndu ne- nea ned nee nef nen neo ner neu nfa nfd nfe nff nfn nfo nfr nfu nna nne nnf nnn nno nnu no- noa nod noe nof non noo nor nou nra nrd nre nrf nrn nro nrr nru nua nud nue nun nuo nur nuu oaa oad oae oaf oan oao oar oau oda odd ode odf odn odo odr odu oea oed oee oef oen oeo oer of- ofa ofd ofe off ofn ofo ofr ofu on- ona ond one onf onn ono onr onu oo- ooa ood oof oon ooo oor or- ora ord ore orf orn oro orr oru ou- oua oud oue ouf oun ouo our ra- raa rad rae raf ran rao rar rau rda rdd rde rdf rdn rdo rdr rdu re- rea red ree ref ren reo rer reu rfa rfd rfe rff rfn rfo rfr rfu rna rnd rnn rno rnr rnu roa rod roe rof ron roo ror rou rra rrd rrf rrn rrr rru rua rud rue ruf run ruo rur ruu ua- uaa uad uae uaf uan uao uar uau uda udd ude udf udn udo udr udu uea ued uee uef uen uer ufa ufd ufe uff ufn ufo ufr ufu un- una und une unf unn uno unr unu uoa uod uoe uon uoo uor ur- ura urd ure urf urn uro urr uru uua uue uun uur uuu