c-- ccc ccd cce ccl ccu cdc cdd cde cdl cdu ce- cec ced cee cel ceu cl- clc cld cle cll clu cuc cud cue cul cuu dcc dcd dce dcl dcu ddc ddd dde ddl ddu de- dec ded dee del deu dl- dlc dld dle dll dlu duc dud due dul ec- ecc ecd ece ecl ecu ed- edc edd ede edl edu eec eed eee eel elc eld ele ell elu eu- euc eud eue eul lcc lcd lce lcl lcu ldc ldd lde ldl ldu lec led lee lel leu llc lld lle lll llu luc lud lue lul luu ucc ucd uce ucl ucu udc udd ude udl udu uec ued uee uel ulc uld ule ull ulu uuc uue uuu