-er c-- ccc cce ccf ccn ccr ccs ccu ce- cec cee cef cen ceq cer ces ceu cfc cfe cff cfn cfq cfr cfs cfu cn- cnc cne cnf cnn cnr cns cnu cqc cqf cqs crc cre crf crn crq crr crs cru csc cse csf csn csq csr css csu cuc cue cuf cun cuq cur cus cuu ec- ecc ece ecf ecn ecq ecr ecs ecu eec eee eef een eer ees ef- efc efe eff efr efs en- enc ene enf enn enr ens enu eqe eqf eqn eqq eqs equ erc ere erf ern erq err ers eru es- esc ese esf esn esq esr ess esu eu- euc eue euf eun eur eus fcc fce fcf fcn fcr fcs fcu fec fee fef fen fer fes feu ffc ffe fff ffn ffr ffs ffu fnc fne fnf fnn fnr fns fnu frc fre frf frn frq frr frs fru fsc fse fsf fsn fsq fsr fss fsu fue fuf fun fur fus fuu ncc nce ncf ncn ncr ncs ncu ne- nec nee nef nen ner nes neu nfc nfe nff nfn nfr nfs nfu nnc nne nnf nnn nns nnu nqc nqs nrc nre nrf nrn nrr nrs nru nsc nse nsf nsn nsr nss nsu nuc nue nun nuq nur nus nuu qcc qcs qec qee qef qen qfc qfe qff qfs qne qns qqq qqu qrc qre qrs qru qsc qsr qu- que qur qus rcc rce rcf rcn rcr rcs rcu re- rec ree ref ren req rer res reu rfc rfe rff rfn rfq rfr rfs rfu rnc rnn rnr rns rnu rqc rqn rqs rrc rrf rrn rrq rrr rrs rru rsc rse rsf rsn rsq rsr rss rsu ruc rue ruf run rur rus ruu scc sce scf scn scr scs scu se- sec see sef sen seq ser ses seu sfc sfe sff sfn sfr sfs sfu snc sne snf snn snr sns snu sqn sqq sqr sqs sr- src sre srf srn srq srr srs ss- ssc sse ssf ssn ssq ssr sss ssu suc sue suf sun suq sur sus suu ucc uce ucf ucn ucr ucs ucu uec uee uef uen uer ues ufc ufe uff ufn ufr ufs ufu un- unc une unf unn unq unr uns unu ur- urc ure urf urn urr urs uru usc use usf usn usr uss usu uuc uue uun uur uus uuu