-er -ey -th c-- ccc cce cch ccr cct ce- cec cee ceh cer cet cey ch- chc che chh chr cht chy crc cre crh crr crt cry ctc cte cth ctr ctt cty cyc cye cyr cyt ec- ecc ece ech ecr ect eec eee eer eet eey ehc ehe ehh ehr eht erc ere erh err ert ery etc ete eth etr ett ety eyc eye eyr eyt hcc hce hch hcr hct hcy he- hec hee heh her het hey hhc hhe hhh hhr hht hhy hr- hrc hre hrh hrr hrt htc hte hth htr htt hty hy- hyc hye hyh hyr hyt hyy rcc rce rch rcr rct re- rec ree reh rer ret rey rh- rhc rhe rhh rhr rht rrc rrh rrr rrt rtc rte rtr rtt rty ry- ryc rye ryr ryy tcc tce tch tcr tct te- tec tee teh ter tet tey th- thc the thh thr tht thy trc tre trh trr trt try ttc tte tth ttr ttt tty tyc tye tyr tyt ycc yce ych ycy yec yee yeh yer yet yey yhc yhe yht yrc yre yrt ytc yte yth ytr ytt yyc yye yyt yyy