c-- ccc cce ccl ccn cct ccu ce- cec cee cel cen cet ceu cl- clc cle cll cln clt clu cn- cnc cne cnl cnn cnt cnu ctc cte ctl ctn ctt ctu cuc cue cul cun cut cuu ec- ecc ece ecl ecn ect ecu eec eee eel een eet elc ele ell eln elt elu en- enc ene enl enn ent enu etc ete etl etn ett etu eu- euc eue eul eun eut lcc lce lcl lcn lct lcu lec lee lel len let leu llc lle lll lln llt llu lnc lne lnl lnn lnt lnu ltc lte ltl ltt ltu luc lue lul lun lut luu ncc nce ncl ncn nct ncu ne- nec nee nel nen net neu nlc nle nll nln nlt nlu nnc nne nnl nnn nnt nnu ntc nte ntn ntt ntu nuc nue nul nun nut nuu tcc tce tcl tcn tct tcu te- tec tee tel ten tet teu tlc tle tll tln tlt tlu tnc tne tnl tnn tnt ttc tte ttl ttn ttt ttu tuc tue tul tun tut tuu ucc uce ucl ucn uct ucu uec uee uel uen uet ulc ule ull uln ult ulu un- unc une unl unn unt unu utc ute utl utn utt utu uuc uue uun uut uuu