-er a-a aaa aad aae aak aan aar aas ad- ada add ade adk adn adr ads aea aed aee aek aen aer aes aka akd ake akk akn akr aks an- ana and ane ank ann anr ans ar- ara ard are ark arn arr ars as- asa asd ase ask asn asr ass daa dad dae dak dan dar das dda ddd dde ddk ddn ddr dds de- dea ded dee dek den der des dka dke dkk dkr dks dna dnd dne dnk dnn dnr dns dra drd dre drk drn drr drs dsa dsd dse dsk dsn dsr dss eaa ead eae eak ean ear eas ed- eda edd ede edk edn edr eds eea eed eee eek een eer ees eka ekd eke ekr eks en- ena end ene enk enn enr ens era erd ere erk ern err ers es- esa esd ese esk esn esr ess ka- kaa kad kae kak kan kar kas kda kde kdk kdr kds ke- kea ked kee kek ken ker kes kke kkk kkn kkr kks kn- kna knd kne knk knn knr kra krd krk krn krr krs ksa ksd kse ksk ksn ksr kss naa nad nae nak nan nar nas nda ndd nde ndk ndn ndr nds ne- nea ned nee nek nen ner nes nka nke nkk nkn nkr nks nna nne nnk nnn nns nra nrd nre nrk nrn nrr nrs nsa nsd nse nsk nsn nsr nss ra- raa rad rae rak ran rar ras rda rdd rde rdn rdr rds re- rea red ree rek ren rer res rke rkk rks rna rnd rnn rnr rns rra rrd rrk rrn rrr rrs rsa rsd rse rsk rsn rsr rss saa sad sae sak san sar sas sda sdd sde sdk sdn sdr sds se- sea sed see sek sen ser ses sk- ska skd ske skk skr sks sna snd sne snk snn snr sns sr- sra srd sre srk srn srr srs ss- ssa ssd sse ssk ssn ssr sss