-er -ic c-- ccc cce cci ccl ccm ccn ccr cct ccx ce- cec cee cei cel cem cen cer cet cex ci- cic cie cii cil cim cin cir cit cix cl- clc cle cli cll clm cln clr clt clx cmc cme cmi cml cmm cmn cmr cmt cmx cn- cnc cne cni cnl cnm cnn cnr cnt cnx crc cre cri crl crm crn crr crt crx ctc cte cti ctl ctm ctn ctr ctt ctx cxc cxi cxl cxr cxt cxx ec- ecc ece eci ecl ecm ecn ecr ect ecx eec eee eel eem een eer eet eex eic eie eii eil eim ein eir eit eix elc ele eli ell elm eln elr elt elx em- emc eme emi eml emm emn emr emt emx en- enc ene eni enl enm enn enr ent erc ere eri erl erm ern err ert etc ete eti etl etm etn etr ett etx ex- exc exe exi exl exr ext exx icc ice ici icl icm icn icr ict ie- iec iee iei iel iem ien ier iet iex iic iie iii iil iim iin iir iit iix il- ilc ile ili ill ilm iln ilr ilt ilx im- imc ime imi iml imm imn imt imx in- inc ine ini inl inm inn inr int inx ir- irc ire iri irl irm irn irr irt irx itc ite iti itl itm itn itt itx ixc ixe ixi ixl ixn lcc lce lci lcl lcm lcn lcr lct lcx lec lee lei lel lem len ler let lex lic lie lii lil lim lin lir lit lix llc lle lli lll llm lln llr llt lmc lme lmi lml lmm lmn lmr lmt lnc lne lni lnl lnm lnn lnr lnt lrc lri lrm lrn lrr lrt ltc lte lti ltl ltm ltr ltt ltx lxc lxi lxr lxx m-r mc- mcc mce mci mcl mcm mcn mcr mct mcx mec mee mei mel mem men mer met mex mi- mic mie mii mil mim min mir mit mix mlc mle mli mll mlm mln mlr mlt mlx mmc mme mmi mml mmm mmn mmr mmt mmx mnc mne mni mnl mnm mnn mnr mnt mrc mre mri mrl mrm mrn mrr mrt mrx mtc mte mti mtl mtm mtn mtr mtt mtx mxc mxi mxl mxn mxr n-i ncc nce nci ncl ncm ncn ncr nct ncx ne- nec nee nei nel nem nen ner net nex nic nie nii nil nim nin nir nit nix nlc nle nli nll nlm nln nlr nlt nlx nmc nme nmi nml nmm nmn nmr nmt nnc nne nni nnl nnm nnn nnt nrc nre nri nrl nrm nrn nrr nrt nrx ntc nte nti ntm ntn ntr ntt ntx nxc nxl nxt rcc rce rci rcl rcm rcn rcr rct rcx re- rec ree rei rel rem ren rer ret rex ric rie rii ril rim rin rir rit rix rlc rle rli rll rlm rln rlr rlt rmc rme rmi rml rmm rmn rmr rmt rmx rnc rni rnm rnn rnr rnt rrc rri rrl rrm rrn rrr rrt rtc rte rti rtl rtm rtn rtr rtt rtx rxr t-x tcc tce tci tcl tcm tcn tcr tct tcx te- tec tee tei tel tem ten ter tet tex tic tie tii til tim tin tir tit tix tlc tle tli tll tlm tln tlr tlt tlx tmc tme tmi tml tmm tmn tmr tmt tmx tnc tne tni tnl tnm tnn tnr tnt tnx trc tre tri trl trm trn trr trt trx ttc tte tti ttl ttm ttn ttr ttt ttx txe txi txl txn txt xci xcl xcr xcx xee xel xem xen xer xet xex xic xie xii xin xit xix xli xlm xlr xlt xmc xmi xml xmm xmr xmt xmx xnc xrc xrt xrx xtc xti xtm xtr xtx xxi xxl xxx