-er c-- ccc cce ccf ccl ccn ccr ccs ccu ce- cec cee cef cel cen cer ces ceu cfc cfe cff cfl cfn cfr cfs cfu cl- clc cle clf cll cln clr cls clu cn- cnc cne cnf cnl cnn cnr cns cnu crc cre crf crl crn crr crs cru csc cse csf csl csn csr css csu cuc cue cuf cul cun cur cus cuu ec- ecc ece ecf ecl ecn ecr ecs ecu eec eee eef eel een eer ees ef- efc efe eff efl efr efs elc ele elf ell eln elr els elu en- enc ene enf enl enn enr ens enu erc ere erf erl ern err ers eru es- esc ese esf esl esn esr ess esu eu- euc eue euf eul eun eur eus fcc fce fcf fcl fcn fcr fcs fcu fec fee fef fel fen fer fes feu ffc ffe fff ffl ffn ffr ffs ffu flc fle flf fll fln flr fls flu fnc fne fnf fnl fnn fnr fns fnu frc fre frf frl frn frr frs fru fsc fse fsf fsl fsn fsr fss fsu fue fuf ful fun fur fus fuu lcc lce lcf lcl lcn lcr lcs lcu lec lee lef lel len ler les leu lfc lfe lff lfl lfn lfr lfs lfu llc lle llf lll lln llr lls llu lnc lne lnl lnn lnr lns lnu lrc lrf lrn lrr lrs lru lsc lse lsf lsl lsn lsr lss lsu luc lue luf lul lun lur lus luu ncc nce ncf ncl ncn ncr ncs ncu ne- nec nee nef nel nen ner nes neu nfc nfe nff nfl nfn nfr nfs nfu nlc nle nlf nll nln nlr nls nlu nnc nne nnf nnl nnn nns nnu nrc nre nrf nrl nrn nrr nrs nru nsc nse nsf nsl nsn nsr nss nsu nuc nue nul nun nur nus nuu rcc rce rcf rcl rcn rcr rcs rcu re- rec ree ref rel ren rer res reu rfc rfe rff rfl rfn rfr rfs rfu rlc rle rlf rll rln rlr rls rlu rnc rnn rnr rns rnu rrc rrf rrl rrn rrr rrs rru rsc rse rsf rsl rsn rsr rss rsu ruc rue ruf run rur rus ruu scc sce scf scl scn scr scs scu se- sec see sef sel sen ser ses seu sfc sfe sff sfl sfn sfr sfs sfu slc sle slf sll sln slr sls slu snc sne snf snl snn snr sns snu sr- src sre srf srl srn srr srs ss- ssc sse ssf ssl ssn ssr sss ssu suc sue suf sul sun sur sus suu ucc uce ucf ucl ucn ucr ucs ucu uec uee uef uel uen uer ues ufc ufe uff ufl ufn ufr ufs ufu ulc ule ulf ull uln ulr uls ulu un- unc une unf unl unn unr uns unu ur- urc ure urf url urn urr urs uru usc use usf usl usn usr uss usu uuc uue uun uur uus uuu