-er -th ddd dde ddh ddn ddr dds ddt de- ded dee deh den der des det dh- dhd dhe dhh dhr dhs dht dnd dne dnh dnn dnr dns dnt drd dre drn drr drs drt dsd dse dsh dsn dsr dss dst dtd dte dth dtn dtr dts dtt ed- edd ede edh edn edr eds edt eed eee een eer ees eet ehd ehe ehh ehn ehr ehs eht en- end ene enh enn enr ens ent erd ere erh ern err ers ert es- esd ese esh esn esr ess est etd ete eth etn etr ets ett hdd hde hdh hdn hdr hds hdt he- hed hee heh hen her hes het hhd hhe hhh hhn hhr hhs hht hnd hne hnh hnn hns hnt hr- hrd hre hrh hrn hrr hrs hrt hsd hse hsh hsn hsr hss hst htd hte hth htn htr hts htt ndd nde ndh ndn ndr nds ndt ne- ned nee neh nen ner nes net nhd nhe nhh nhn nhr nhs nht nne nnh nnn nns nnt nrd nre nrn nrr nrs nrt nsd nse nsh nsn nsr nss nst ntd nte nth ntn ntr nts ntt rdd rde rdh rdn rdr rds rdt re- red ree reh ren rer res ret rh- rhd rhe rhh rhn rhr rhs rht rnd rnh rnn rnr rns rnt rrd rrh rrn rrr rrs rrt rsd rse rsh rsn rsr rss rst rtd rte rtn rtr rts rtt sdd sde sdh sdn sdr sds sdt se- sed see seh sen ser ses set sh- shd she shh shn shr shs sht snd sne snn snr sns snt sr- srd sre srh srn srr srs srt ss- ssd sse ssh ssn ssr sss sst std ste sth stn str sts stt tdd tde tdh tdn tdr tds tdt te- ted tee teh ten ter tes tet th- thd the thh thn thr ths tht tnd tne tnh tnn tnr tns tnt trd tre trh trn trr trs trt tsd tse tsh tsn tsr tss tst ttd tte tth ttn ttr tts ttt