-er c-- ccc cce cck ccl ccn ccr cct ccu ce- cec cee cek cel cen cer cet ceu ckc ckt cl- clc cle clk cll cln clr clt clu cn- cnc cne cnl cnn cnr cnt cnu crc cre crk crl crn crr crt cru ctc cte ctk ctl ctn ctr ctt ctu cuc cue cuk cul cun cur cut cuu ec- ecc ece eck ecl ecn ecr ect ecu eec eee eek eel een eer eet ekc eke ekl ekr ekt eku elc ele elk ell eln elr elt elu en- enc ene enk enl enn enr ent enu erc ere erk erl ern err ert eru etc ete etk etl etn etr ett etu eu- euc eue eul eun eur eut k-t kcc kce kck kcl kcn kcr kct kcu ke- kec kee kek kel ken ker ket kkc kke kkk kkl kkn kkr kkt kku kl- klc klr klt klu kn- knc kne knk knl knn knr knt knu krc krk krl krn krr krt kru ktc kte ktk ktl ktn ktr ktt ktu kuc kue kuk kul kun kur kut kuu lcc lce lck lcl lcn lcr lct lcu lec lee lek lel len ler let leu lkl lkr lkt llc lle llk lll lln llr llt llu lnc lne lnk lnl lnn lnr lnt lnu lrc lrk lrn lrr lrt lru ltc lte ltk ltl ltr ltt ltu luc lue luk lul lun lur lut luu ncc nce nck ncl ncn ncr nct ncu ne- nec nee nek nel nen ner net neu nkc nke nkk nkn nkr nkt nku nlc nle nlk nll nln nlr nlt nlu nnc nne nnk nnl nnn nnt nnu nrc nre nrk nrl nrn nrr nrt nru ntc nte ntk ntn ntr ntt ntu nuc nue nuk nul nun nur nut nuu rcc rce rcl rcn rcr rct rcu re- rec ree rek rel ren rer ret reu rkc rke rkk rkt rku rlc rle rll rln rlr rlt rlu rnc rnn rnr rnt rnu rrc rrk rrl rrn rrr rrt rru rtc rte rtk rtl rtn rtr rtt rtu ruc rue ruk run rur rut ruu tcc tce tck tcl tcn tcr tct tcu te- tec tee tek tel ten ter tet teu tkc tke tkk tkl tkr tkt tlc tle tlk tll tln tlr tlt tlu tnc tne tnk tnl tnn tnr tnt trc tre trk trl trn trr trt tru ttc tte ttk ttl ttn ttr ttt ttu tuc tue tuk tul tun tur tut tuu ucc uce uck ucl ucn ucr uct ucu uec uee uel uen uer uet ukc uke ukk ukl ukn ukr uku ulc ule ulk ull uln ulr ult ulu un- unc une unk unl unn unr unt unu ur- urc ure urk url urn urr urt uru utc ute utk utl utn utr utt utu uuc uue uun uur uut uuu