-er c-- ccc cce ccf ccm ccn ccr ccs cct ce- cec cee cef cem cen cer ces cet cfc cfe cff cfm cfn cfr cfs cft cmc cme cmf cmm cmn cmr cms cmt cn- cnc cne cnf cnm cnn cnr cns cnt crc cre crf crm crn crr crs crt csc cse csf csm csn csr css cst ctc cte ctf ctm ctn ctr cts ctt ec- ecc ece ecf ecm ecn ecr ecs ect eec eee eef eem een eer ees eet ef- efc efe eff efm efr efs eft em- emc eme emf emm emn emr ems emt en- enc ene enf enm enn enr ens ent erc ere erf erm ern err ers ert es- esc ese esf esm esn esr ess est etc ete etf etm etn etr ets ett fcc fce fcf fcm fcn fcr fcs fct fec fee fef fem fen fer fes fet ffc ffe fff ffm ffn ffr ffs fft fmc fme fmf fmm fmn fmr fms fmt fnc fne fnf fnm fnn fnr fns fnt frc fre frf frm frn frr frs frt fsc fse fsf fsm fsn fsr fss fst ftc fte ftf ftm ftn ftr fts ftt m-f m-r mc- mcc mce mcf mcm mcn mcr mcs mct mec mee mef mem men mer mes met mfc mfe mff mfm mfn mfr mfs mft mmc mme mmf mmm mmn mmr mms mmt mnc mne mnf mnm mnn mnr mns mnt mrc mre mrf mrm mrn mrr mrs mrt msc mse msf msm msn msr mss mst mtc mte mtf mtm mtn mtr mts mtt ncc nce ncf ncm ncn ncr ncs nct ne- nec nee nef nem nen ner nes net nfc nfe nff nfn nfr nfs nft nmc nme nmm nmn nmr nms nmt nnc nne nnf nnm nnn nns nnt nrc nre nrf nrm nrn nrr nrs nrt nsc nse nsf nsm nsn nsr nss nst ntc nte ntf ntm ntn ntr nts ntt rcc rce rcf rcm rcn rcr rcs rct re- rec ree ref rem ren rer res ret rfc rfe rff rfm rfn rfr rfs rft rmc rme rmf rmm rmn rmr rms rmt rnc rnm rnn rnr rns rnt rrc rrf rrm rrn rrr rrs rrt rsc rse rsf rsm rsn rsr rss rst rtc rte rtf rtm rtn rtr rts rtt scc sce scf scm scn scr scs sct se- sec see sef sem sen ser ses set sfc sfe sff sfm sfn sfr sfs sft smc sme smf smm smn smr sms smt snc sne snf snm snn snr sns snt sr- src sre srf srm srn srr srs srt ss- ssc sse ssf ssm ssn ssr sss sst stc ste stf stm stn str sts stt tcc tce tcf tcm tcn tcr tcs tct te- tec tee tef tem ten ter tes tet tfc tfe tff tfm tfn tfr tfs tft tmc tme tmf tmm tmn tmr tms tmt tnc tne tnf tnm tnn tnr tns tnt trc tre trf trm trn trr trs trt tsc tse tsf tsm tsn tsr tss tst ttc tte ttf ttm ttn ttr tts ttt