-ey c-- ccc ccd cce cch cco cdc cdd cde cdh cdo cdy ce- cec ced cee ceh ceo cey ch- chc chd che chh cho chy co- coc cod coe coh coo coy cyc cyd cye cyo dcc dcd dce dco ddc ddd dde ddh ddo ddy de- dec ded dee deh deo dey dh- dhc dhd dhe dhh dho doc dod doe doh doo doy dy- dyc dyd dye dyo dyy ec- ecc ecd ece ech eco ed- edc edd ede edh edo edy eec eed eee eeo eey ehc ehd ehe ehh eho eo- eoc eod eoe eoh eoo eyc eyd eye eyo hcc hcd hce hch hco hcy hdc hdd hde hdh hdo hdy he- hec hed hee heh heo hey hhc hhd hhe hhh hho hhy hoc hod hoe hoh hoo hoy hy- hyc hyd hye hyh hyo hyy oc- occ ocd och oco odc odd ode odh odo oec oed oee oeh oeo oey ohc ohd ohe ohh oho oo- ooc ood ooh ooo oyd oye oyo ycc ycd yce ych yco ycy yde ydo ydy yec yed yee yeh yeo yey yhc yhe yoc yod yoe yoo yoy yyc yye yyy