c-- ccc ccd cce cch ccl cdc cdd cde cdh cdl ce- cec ced cee ceh cel ch- chc chd che chh chl cl- clc cld cle clh cll dcc dcd dce dcl ddc ddd dde ddh ddl de- dec ded dee deh del dh- dhc dhd dhe dhh dhl dl- dlc dld dle dlh dll ec- ecc ecd ece ech ecl ed- edc edd ede edh edl eec eed eee eel ehc ehd ehe ehh ehl elc eld ele elh ell hcc hcd hce hch hcl hdc hdd hde hdh hdl he- hec hed hee heh hel hhc hhd hhe hhh hhl hlc hld hle hlh hll lcc lcd lce lch lcl ldc ldd lde ldh ldl lec led lee leh lel lhc lhd lhh llc lld lle lll