c-- c-j ccc ccd cce ccj ccl cdc cdd cde cdj cdl ce- cec ced cee cej cel cjc cjd cl- clc cld cle clj cll dcc dcd dce dcl ddc ddd dde ddl de- dec ded dee dej del dj- djc djd dje djl dl- dlc dld dle dlj dll ec- ecc ecd ece ecj ecl ed- edc edd ede edj edl eec eed eee eel ejc ejd ejl elc eld ele ell j-d jcc jcd jce jcl jdc jde jdl jec jed jee jej jel jjc jjj jjl jlc jle jll lcc lcd lce lcj lcl ldc ldd lde ldj ldl lec led lee lej lel lje ljj llc lld lle llj lll