-er -th c-- ccc cce cch ccr cct ccu ce- cec cee ceh cer cet ceu ch- chc che chh chr cht chu crc cre crh crr crt cru ctc cte cth ctr ctt ctu cuc cue cuh cur cut cuu ec- ecc ece ech ecr ect ecu eec eee eer eet ehc ehe ehh ehr eht ehu erc ere erh err ert eru etc ete eth etr ett etu eu- euc eue eur eut hcc hce hch hcr hct he- hec hee heh her het heu hhc hhe hhh hhr hht hhu hr- hrc hre hrh hrr hrt hru htc hte hth htr htt huc hue huh hur hut huu rcc rce rch rcr rct rcu re- rec ree reh rer ret reu rh- rhc rhe rhh rhr rht rhu rrc rrh rrr rrt rru rtc rte rtr rtt rtu ruc rue ruh rur rut ruu tcc tce tch tcr tct tcu te- tec tee teh ter tet teu th- thc the thh thr tht thu trc tre trh trr trt tru ttc tte tth ttr ttt ttu tuc tue tuh tur tut tuu ucc uce uch ucr uct ucu uec uee ueh uer uet uhc uhe uhh uhr uht uhu ur- urc ure urr urt uru utc ute uth utr utt utu uuc uue uur uut uuu