-er -th c-- ccc ccd cce cch ccr cct ccu cdc cdd cde cdh cdr cdt cdu ce- cec ced cee ceh cer cet ceu ch- chc chd che chh chr cht chu crc crd cre crh crr crt cru ctc ctd cte cth ctr ctt ctu cuc cud cue cuh cur cut cuu dcc dcd dce dcr dct dcu ddc ddd dde ddh ddr ddt ddu de- dec ded dee deh der det deu dh- dhc dhd dhe dhh dhr dht dhu drc drd dre drr drt dru dtc dtd dte dth dtr dtt dtu duc dud due duh dur dut ec- ecc ecd ece ech ecr ect ecu ed- edc edd ede edh edr edt edu eec eed eee eer eet ehc ehd ehe ehh ehr eht ehu erc erd ere erh err ert eru etc etd ete eth etr ett etu eu- euc eud eue eur eut hcc hcd hce hch hcr hct hdc hdd hde hdh hdr hdt hdu he- hec hed hee heh her het heu hhc hhd hhe hhh hhr hht hhu hr- hrc hrd hre hrh hrr hrt hru htc htd hte hth htr htt huc hud hue huh hur hut huu rcc rcd rce rch rcr rct rcu rdc rdd rde rdh rdr rdt rdu re- rec red ree reh rer ret reu rh- rhc rhd rhe rhh rhr rht rhu rrc rrd rrh rrr rrt rru rtc rtd rte rtr rtt rtu ruc rud rue ruh rur rut ruu tcc tcd tce tch tcr tct tcu tdc tdd tde tdh tdr tdt tdu te- tec ted tee teh ter tet teu th- thc thd the thh thr tht thu trc trd tre trh trr trt tru ttc ttd tte tth ttr ttt ttu tuc tud tue tuh tur tut tuu ucc ucd uce uch ucr uct ucu udc udd ude udr udt udu uec ued uee ueh uer uet uhc uhd uhe uhh uhr uht uhu ur- urc urd ure urr urt uru utc utd ute uth utr utt utu uuc uue uur uut uuu