c-- ccc ccd cce ccl ccn ccu cdc cdd cde cdl cdn cdu ce- cec ced cee cel cen ceu cl- clc cld cle cll cln clu cn- cnc cnd cne cnl cnn cnu cuc cud cue cul cun cuu dcc dcd dce dcl dcn dcu ddc ddd dde ddl ddn ddu de- dec ded dee del den deu dl- dlc dld dle dll dlu dnc dnd dne dnl dnn duc dud due dul dun ec- ecc ecd ece ecl ecn ecu ed- edc edd ede edl edn edu eec eed eee eel een elc eld ele ell eln elu en- enc end ene enl enn enu eu- euc eud eue eul eun lcc lcd lce lcl lcn lcu ldc ldd lde ldl ldn ldu lec led lee lel len leu llc lld lle lll lln llu lnc lnd lne lnl lnn lnu luc lud lue lul lun luu ncc ncd nce ncl ncn ncu ndc ndd nde ndl ndn ndu ne- nec ned nee nel nen neu nlc nld nle nll nln nlu nnc nne nnl nnn nnu nuc nud nue nul nun nuu ucc ucd uce ucl ucn ucu udc udd ude udl udn udu uec ued uee uel uen ulc uld ule ull uln ulu un- unc und une unl unn unu uuc uue uun uuu