c-- ccc cce ccl ccn ccs cct ccu ce- cec cee cel cen ces cet ceu cl- clc cle cll cln cls clt clu cn- cnc cne cnl cnn cns cnt cnu csc cse csl csn css cst csu ctc cte ctl ctn cts ctt ctu cuc cue cul cun cus cut cuu ec- ecc ece ecl ecn ecs ect ecu eec eee eel een ees eet elc ele ell eln els elt elu en- enc ene enl enn ens ent enu es- esc ese esl esn ess est esu etc ete etl etn ets ett etu eu- euc eue eul eun eus eut lcc lce lcl lcn lcs lct lcu lec lee lel len les let leu llc lle lll lln lls llt llu lnc lne lnl lnn lns lnt lnu lsc lse lsl lsn lss lst lsu ltc lte ltl lts ltt ltu luc lue lul lun lus lut luu ncc nce ncl ncn ncs nct ncu ne- nec nee nel nen nes net neu nlc nle nll nln nls nlt nlu nnc nne nnl nnn nns nnt nnu nsc nse nsl nsn nss nst nsu ntc nte ntn nts ntt ntu nuc nue nul nun nus nut nuu scc sce scl scn scs sct scu se- sec see sel sen ses set seu slc sle sll sln sls slt slu snc sne snl snn sns snt snu ss- ssc sse ssl ssn sss sst ssu stc ste stl stn sts stt stu suc sue sul sun sus sut suu tcc tce tcl tcn tcs tct tcu te- tec tee tel ten tes tet teu tlc tle tll tln tls tlt tlu tnc tne tnl tnn tns tnt tsc tse tsl tsn tss tst tsu ttc tte ttl ttn tts ttt ttu tuc tue tul tun tus tut tuu ucc uce ucl ucn ucs uct ucu uec uee uel uen ues uet ulc ule ull uln uls ult ulu un- unc une unl unn uns unt unu usc use usl usn uss ust usu utc ute utl utn uts utt utu uuc uue uun uus uut uuu