-ey -th c-- ccc cce cch cco cct ce- cec cee ceh ceo cet cey ch- chc che chh cho cht chy co- coc coe coh coo cot coy ctc cte cth cto ctt cty cyc cye cyo cyt ec- ecc ece ech eco ect eec eee eeo eet eey ehc ehe ehh eho eht eo- eoc eoe eoh eoo eot etc ete eth eto ett ety eyc eye eyo eyt hcc hce hch hco hct hcy he- hec hee heh heo het hey hhc hhe hhh hho hht hhy hoc hoe hoh hoo hot hoy htc hte hth hto htt hty hy- hyc hye hyh hyo hyt hyy oc- occ och oco oct oec oee oeh oeo oet oey ohc ohe ohh oho oht oo- ooc ooh ooo oot ot- otc ote oth oto ott oye oyo tcc tce tch tco tct te- tec tee teh teo tet tey th- thc the thh tho tht thy to- toc toe toh too tot toy ttc tte tth tto ttt tty tyc tye tyo tyt ycc yce ych yco ycy yec yee yeh yeo yet yey yhc yhe yht yoc yoe yoo yot yoy ytc yte yth yto ytt yyc yye yyt yyy