-er c-- ccc cce ccf ccn ccr ccs cct ccu ce- cec cee cef cen cer ces cet ceu cfc cfe cff cfn cfr cfs cft cfu cn- cnc cne cnf cnn cnr cns cnt cnu crc cre crf crn crr crs crt cru csc cse csf csn csr css cst csu ctc cte ctf ctn ctr cts ctt ctu cuc cue cuf cun cur cus cut cuu ec- ecc ece ecf ecn ecr ecs ect ecu eec eee eef een eer ees eet ef- efc efe eff efr efs eft en- enc ene enf enn enr ens ent enu erc ere erf ern err ers ert eru es- esc ese esf esn esr ess est esu etc ete etf etn etr ets ett etu eu- euc eue euf eun eur eus eut fcc fce fcf fcn fcr fcs fct fcu fec fee fef fen fer fes fet feu ffc ffe fff ffn ffr ffs fft ffu fnc fne fnf fnn fnr fns fnt fnu frc fre frf frn frr frs frt fru fsc fse fsf fsn fsr fss fst fsu ftc fte ftf ftn ftr fts ftt ftu fue fuf fun fur fus fut fuu ncc nce ncf ncn ncr ncs nct ncu ne- nec nee nef nen ner nes net neu nfc nfe nff nfn nfr nfs nft nfu nnc nne nnf nnn nns nnt nnu nrc nre nrf nrn nrr nrs nrt nru nsc nse nsf nsn nsr nss nst nsu ntc nte ntf ntn ntr nts ntt ntu nuc nue nun nur nus nut nuu rcc rce rcf rcn rcr rcs rct rcu re- rec ree ref ren rer res ret reu rfc rfe rff rfn rfr rfs rft rfu rnc rnn rnr rns rnt rnu rrc rrf rrn rrr rrs rrt rru rsc rse rsf rsn rsr rss rst rsu rtc rte rtf rtn rtr rts rtt rtu ruc rue ruf run rur rus rut ruu scc sce scf scn scr scs sct scu se- sec see sef sen ser ses set seu sfc sfe sff sfn sfr sfs sft sfu snc sne snf snn snr sns snt snu sr- src sre srf srn srr srs srt ss- ssc sse ssf ssn ssr sss sst ssu stc ste stf stn str sts stt stu suc sue suf sun sur sus sut suu tcc tce tcf tcn tcr tcs tct tcu te- tec tee tef ten ter tes tet teu tfc tfe tff tfn tfr tfs tft tfu tnc tne tnf tnn tnr tns tnt trc tre trf trn trr trs trt tru tsc tse tsf tsn tsr tss tst tsu ttc tte ttf ttn ttr tts ttt ttu tuc tue tuf tun tur tus tut tuu ucc uce ucf ucn ucr ucs uct ucu uec uee uef uen uer ues uet ufc ufe uff ufn ufr ufs uft ufu un- unc une unf unn unr uns unt unu ur- urc ure urf urn urr urs urt uru usc use usf usn usr uss ust usu utc ute utf utn utr uts utt utu uuc uue uun uur uus uut uuu