-er a-a a-t aaa aad aae aao aar aas aat ad- ada add ade ado adr ads adt aea aed aee aeo aer aes aet aoa aod aoe aoo aor aos aot ar- ara ard are aro arr ars art as- asa asd ase aso asr ass ast at- ata atd ate ato atr ats att daa dad dae dao dar das dat dda ddd dde ddo ddr dds ddt de- dea ded dee deo der des det doa dod doe doo dor dos dot dra drd dre dro drr drs drt dsa dsd dse dso dsr dss dst dta dtd dte dto dtr dts dtt eaa ead eae eao ear eas eat ed- eda edd ede edo edr eds edt eea eed eee eeo eer ees eet eo- eoa eod eoe eoo eor eos eot era erd ere ero err ers ert es- esa esd ese eso esr ess est eta etd ete eto etr ets ett oaa oad oae oao oar oas oat oda odd ode odo odr ods odt oea oed oee oeo oer oes oet oo- ooa ood ooo oor oos oot or- ora ord ore oro orr ors ort os- osa osd ose oso osr oss ost ot- ota otd ote oto otr ots ott ra- raa rad rae rao rar ras rat rda rdd rde rdo rdr rds rdt re- rea red ree reo rer res ret roa rod roe roo ror ros rot rra rrd rrr rrs rrt rsa rsd rse rso rsr rss rst rta rtd rte rto rtr rts rtt saa sad sae sao sar sas sat sda sdd sde sdo sdr sds sdt se- sea sed see seo ser ses set soa sod soe soo sor sos sot sr- sra srd sre sro srr srs srt ss- ssa ssd sse sso ssr sss sst sta std ste sto str sts stt taa tad tae tao tar tas tat tda tdd tde tdo tdr tds tdt te- tea ted tee teo ter tes tet to- toa tod toe too tor tos tot tra trd tre tro trr trs trt tsa tsd tse tso tsr tss tst tta ttd tte tto ttr tts ttt