-er -th c-- ccc ccd cce cch ccr ccs cct ccu cdc cdd cde cdh cdr cds cdt cdu ce- cec ced cee ceh cer ces cet ceu ch- chc chd che chh chr chs cht chu crc crd cre crh crr crs crt cru csc csd cse csh csr css cst csu ctc ctd cte cth ctr cts ctt ctu cuc cud cue cuh cur cus cut cuu dcc dcd dce dcr dcs dct dcu ddc ddd dde ddh ddr dds ddt ddu de- dec ded dee deh der des det deu dh- dhc dhd dhe dhh dhr dhs dht dhu drc drd dre drr drs drt dru dsc dsd dse dsh dsr dss dst dsu dtc dtd dte dth dtr dts dtt dtu duc dud due duh dur dus dut ec- ecc ecd ece ech ecr ecs ect ecu ed- edc edd ede edh edr eds edt edu eec eed eee eer ees eet ehc ehd ehe ehh ehr ehs eht ehu erc erd ere erh err ers ert eru es- esc esd ese esh esr ess est esu etc etd ete eth etr ets ett etu eu- euc eud eue eur eus eut hcc hcd hce hch hcr hcs hct hdc hdd hde hdh hdr hds hdt hdu he- hec hed hee heh her hes het heu hhc hhd hhe hhh hhr hhs hht hhu hr- hrc hrd hre hrh hrr hrs hrt hru hsc hsd hse hsh hsr hss hst hsu htc htd hte hth htr hts htt huc hud hue huh hur hus hut huu rcc rcd rce rch rcr rcs rct rcu rdc rdd rde rdh rdr rds rdt rdu re- rec red ree reh rer res ret reu rh- rhc rhd rhe rhh rhr rhs rht rhu rrc rrd rrh rrr rrs rrt rru rsc rsd rse rsh rsr rss rst rsu rtc rtd rte rtr rts rtt rtu ruc rud rue ruh rur rus rut ruu scc scd sce sch scr scs sct scu sdc sdd sde sdh sdr sds sdt sdu se- sec sed see seh ser ses set seu sh- shc shd she shh shr shs sht shu sr- src srd sre srh srr srs srt ss- ssc ssd sse ssh ssr sss sst ssu stc std ste sth str sts stt stu suc sud sue suh sur sus sut suu tcc tcd tce tch tcr tcs tct tcu tdc tdd tde tdh tdr tds tdt tdu te- tec ted tee teh ter tes tet teu th- thc thd the thh thr ths tht thu trc trd tre trh trr trs trt tru tsc tsd tse tsh tsr tss tst tsu ttc ttd tte tth ttr tts ttt ttu tuc tud tue tuh tur tus tut tuu ucc ucd uce uch ucr ucs uct ucu udc udd ude udr uds udt udu uec ued uee ueh uer ues uet uhc uhd uhe uhh uhr uhs uht uhu ur- urc urd ure urr urs urt uru usc usd use ush usr uss ust usu utc utd ute uth utr uts utt utu uuc uue uur uus uut uuu