-er c-- ccc cce ccl ccn ccr cct ccu ce- cec cee cel cen cer cet ceu cl- clc cle cll cln clr clt clu cn- cnc cne cnl cnn cnr cnt cnu crc cre crl crn crr crt cru ctc cte ctl ctn ctr ctt ctu cuc cue cul cun cur cut cuu ec- ecc ece ecl ecn ecr ect ecu eec eee eel een eer eet elc ele ell eln elr elt elu en- enc ene enl enn enr ent enu erc ere erl ern err ert eru etc ete etl etn etr ett etu eu- euc eue eul eun eur eut lcc lce lcl lcn lcr lct lcu lec lee lel len ler let leu llc lle lll lln llr llt llu lnc lne lnl lnn lnr lnt lnu lrc lrn lrr lrt lru ltc lte ltl ltr ltt ltu luc lue lul lun lur lut luu ncc nce ncl ncn ncr nct ncu ne- nec nee nel nen ner net neu nlc nle nll nln nlr nlt nlu nnc nne nnl nnn nnt nnu nrc nre nrl nrn nrr nrt nru ntc nte ntn ntr ntt ntu nuc nue nul nun nur nut nuu rcc rce rcl rcn rcr rct rcu re- rec ree rel ren rer ret reu rlc rle rll rln rlr rlt rlu rnc rnn rnr rnt rnu rrc rrl rrn rrr rrt rru rtc rte rtl rtn rtr rtt rtu ruc rue run rur rut ruu tcc tce tcl tcn tcr tct tcu te- tec tee tel ten ter tet teu tlc tle tll tln tlr tlt tlu tnc tne tnl tnn tnr tnt trc tre trl trn trr trt tru ttc tte ttl ttn ttr ttt ttu tuc tue tul tun tur tut tuu ucc uce ucl ucn ucr uct ucu uec uee uel uen uer uet ulc ule ull uln ulr ult ulu un- unc une unl unn unr unt unu ur- urc ure url urn urr urt uru utc ute utl utn utr utt utu uuc uue uun uur uut uuu