-er -ic c-- ccc cce cci cck ccl ccn ccr cct ce- cec cee cei cek cel cen cer cet ci- cic cie cii cik cil cin cir cit ckc cki ckt cl- clc cle cli clk cll cln clr clt cn- cnc cne cni cnl cnn cnr cnt crc cre cri crk crl crn crr crt ctc cte cti ctk ctl ctn ctr ctt ec- ecc ece eci eck ecl ecn ecr ect eec eee eek eel een eer eet eic eie eii eik eil ein eir eit ekc eke eki ekl ekr ekt elc ele eli elk ell eln elr elt en- enc ene eni enk enl enn enr ent erc ere eri erk erl ern err ert etc ete eti etk etl etn etr ett icc ice ici ick icl icn icr ict ie- iec iee iei iek iel ien ier iet iic iie iii iil iin iir iit ikc ike iki ikk ikl ikr ikt il- ilc ile ili ilk ill iln ilr ilt in- inc ine ini ink inl inn inr int ir- irc ire iri irk irl irn irr irt itc ite iti itk itl itn itt k-t kcc kce kci kck kcl kcn kcr kct ke- kec kee kei kek kel ken ker ket kic kie kii kik kil kin kir kit kkc kke kki kkk kkl kkn kkr kkt kl- klc kli klr klt kn- knc kne kni knk knl knn knr knt krc kri krk krl krn krr krt ktc kte ktk ktl ktn ktr ktt lcc lce lci lck lcl lcn lcr lct lec lee lei lek lel len ler let lic lie lii lik lil lin lir lit lkl lkr lkt llc lle lli llk lll lln llr llt lnc lne lni lnk lnl lnn lnr lnt lrc lri lrk lrn lrr lrt ltc lte lti ltk ltl ltr ltt n-i ncc nce nci nck ncl ncn ncr nct ne- nec nee nei nek nel nen ner net nic nie nii nik nil nin nir nit nkc nke nki nkk nkn nkr nkt nlc nle nli nlk nll nln nlr nlt nnc nne nni nnk nnl nnn nnt nrc nre nri nrk nrl nrn nrr nrt ntc nte nti ntk ntn ntr ntt rcc rce rci rcl rcn rcr rct re- rec ree rei rek rel ren rer ret ric rie rii rik ril rin rir rit rkc rke rkk rkt rlc rle rli rll rln rlr rlt rnc rni rnn rnr rnt rrc rri rrk rrl rrn rrr rrt rtc rte rti rtk rtl rtn rtr rtt tcc tce tci tck tcl tcn tcr tct te- tec tee tei tek tel ten ter tet tic tie tii tik til tin tir tit tkc tke tkk tkl tkr tkt tlc tle tli tlk tll tln tlr tlt tnc tne tni tnk tnl tnn tnr tnt trc tre tri trk trl trn trr trt ttc tte tti ttk ttl ttn ttr ttt