c-- ccc cce ccl ccn ccu ce- cec cee cel cen ceu cl- clc cle cll cln clu cn- cnc cne cnl cnn cnu cuc cue cul cun cuu ec- ecc ece ecl ecn ecu eec eee eel een elc ele ell eln elu en- enc ene enl enn enu eu- euc eue eul eun lcc lce lcl lcn lcu lec lee lel len leu llc lle lll lln llu lnc lne lnl lnn lnu luc lue lul lun luu ncc nce ncl ncn ncu ne- nec nee nel nen neu nlc nle nll nln nlu nnc nne nnl nnn nnu nuc nue nul nun nuu ucc uce ucl ucn ucu uec uee uel uen ulc ule ull uln ulu un- unc une unl unn unu uuc uue uun uuu