-er a-a a-t aaa aad aae aak aan aar aas aat ad- ada add ade adk adn adr ads adt aea aed aee aek aen aer aes aet aka akd ake akk akn akr aks an- ana and ane ank ann anr ans ant ar- ara ard are ark arn arr ars art as- asa asd ase ask asn asr ass ast at- ata atd ate atn atr ats att daa dad dae dak dan dar das dat dda ddd dde ddk ddn ddr dds ddt de- dea ded dee dek den der des det dka dke dkk dkr dks dkt dna dnd dne dnk dnn dnr dns dnt dra drd dre drk drn drr drs drt dsa dsd dse dsk dsn dsr dss dst dta dtd dte dtk dtn dtr dts dtt eaa ead eae eak ean ear eas eat ed- eda edd ede edk edn edr eds edt eea eed eee eek een eer ees eet eka ekd eke ekr eks ekt en- ena end ene enk enn enr ens ent era erd ere erk ern err ers ert es- esa esd ese esk esn esr ess est eta etd ete etk etn etr ets ett k-t ka- kaa kad kae kak kan kar kas kat kda kde kdk kdr kds kdt ke- kea ked kee kek ken ker kes ket kke kkk kkn kkr kks kkt kn- kna knd kne knk knn knr knt kra krd krk krn krr krs krt ksa ksd kse ksk ksn ksr kss kst kta kte ktk ktn ktr kts ktt naa nad nae nak nan nar nas nat nda ndd nde ndk ndn ndr nds ndt ne- nea ned nee nek nen ner nes net nka nke nkk nkn nkr nks nkt nna nne nnk nnn nns nnt nra nrd nre nrk nrn nrr nrs nrt nsa nsd nse nsk nsn nsr nss nst nta ntd nte ntk ntn ntr nts ntt ra- raa rad rae rak ran rar ras rat rda rdd rde rdn rdr rds rdt re- rea red ree rek ren rer res ret rke rkk rks rkt rna rnd rnn rnr rns rnt rra rrd rrk rrn rrr rrs rrt rsa rsd rse rsk rsn rsr rss rst rta rtd rte rtk rtn rtr rts rtt saa sad sae sak san sar sas sat sda sdd sde sdk sdn sdr sds sdt se- sea sed see sek sen ser ses set sk- ska skd ske skk skr sks skt sna snd sne snk snn snr sns snt sr- sra srd sre srk srn srr srs srt ss- ssa ssd sse ssk ssn ssr sss sst sta std ste stk stn str sts stt taa tad tae tak tan tar tas tat tda tdd tde tdk tdn tdr tds tdt te- tea ted tee tek ten ter tes tet tka tke tkk tkr tks tkt tna tnd tne tnk tnn tnr tns tnt tra trd tre trk trn trr trs trt tsa tsd tse tsk tsn tsr tss tst tta ttd tte ttk ttn ttr tts ttt