c-- ccc ccd cce ccf cch ccl cdc cdd cde cdf cdh cdl ce- cec ced cee cef ceh cel cfc cfd cfe cff cfh cfl ch- chc chd che chf chh chl cl- clc cld cle clf clh cll dcc dcd dce dcf dcl ddc ddd dde ddf ddh ddl de- dec ded dee def deh del dfc dfd dfe dff dfh dfl dh- dhc dhd dhe dhf dhh dhl dl- dlc dld dle dlf dlh dll ec- ecc ecd ece ecf ech ecl ed- edc edd ede edf edh edl eec eed eee eef eel ef- efc efd efe eff efh efl ehc ehd ehe ehf ehh ehl elc eld ele elf elh ell fcc fcd fce fcf fcl fdc fdd fde fdf fdh fdl fec fed fee fef feh fel ffc ffd ffe fff ffh ffl fhc fhe fhf fhh fhl flc fld fle flf fll hcc hcd hce hcf hch hcl hdc hdd hde hdf hdh hdl he- hec hed hee hef heh hel hfc hfd hfe hff hfh hfl hhc hhd hhe hhf hhh hhl hlc hld hle hlf hlh hll lcc lcd lce lcf lch lcl ldc ldd lde ldf ldh ldl lec led lee lef leh lel lfc lfd lfe lff lfh lfl lhc lhd lhf lhh llc lld lle llf lll