-er -ey -th c-- ccc cce cch ccr cct ccu ce- cec cee ceh cer cet ceu cey ch- chc che chh chr cht chu chy crc cre crh crr crt cru cry ctc cte cth ctr ctt ctu cty cuc cue cuh cur cut cuu cuy cyc cye cyr cyt ec- ecc ece ech ecr ect ecu eec eee eer eet eey ehc ehe ehh ehr eht ehu erc ere erh err ert eru ery etc ete eth etr ett etu ety eu- euc eue eur eut eyc eye eyr eyt hcc hce hch hcr hct hcy he- hec hee heh her het heu hey hhc hhe hhh hhr hht hhu hhy hr- hrc hre hrh hrr hrt hru htc hte hth htr htt hty huc hue huh hur hut huu huy hy- hyc hye hyh hyr hyt hyy rcc rce rch rcr rct rcu re- rec ree reh rer ret reu rey rh- rhc rhe rhh rhr rht rhu rrc rrh rrr rrt rru rtc rte rtr rtt rtu rty ruc rue ruh rur rut ruu ruy ry- ryc rye ryr ryu ryy tcc tce tch tcr tct tcu te- tec tee teh ter tet teu tey th- thc the thh thr tht thu thy trc tre trh trr trt tru try ttc tte tth ttr ttt ttu tty tuc tue tuh tur tut tuu tuy tyc tye tyr tyt ucc uce uch ucr uct ucu uec uee ueh uer uet uey uhc uhe uhh uhr uht uhu uhy ur- urc ure urr urt uru ury utc ute uth utr utt utu uty uuc uue uur uut uuu uyc uyu ycc yce ych ycu ycy yec yee yeh yer yet yey yhc yhe yht yhu yrc yre yrt yru ytc yte yth ytr ytt ytu yue yuh yur yut yuu yuy yyc yye yyt yyu yyy