-er c-- ccc cce ccf ccg ccl ccn ccr ccu ce- cec cee cef ceg cel cen cer ceu cfc cfe cff cfg cfl cfn cfr cfu cgc cge cgg cgl cgn cgr cgu cl- clc cle clf clg cll cln clr clu cn- cnc cne cnf cng cnl cnn cnr cnu crc cre crf crg crl crn crr cru cuc cue cuf cug cul cun cur cuu ec- ecc ece ecf ecg ecl ecn ecr ecu eec eee eef eeg eel een eer ef- efc efe eff efg efl efr egc ege egf egg egl egn egr egu elc ele elf elg ell eln elr elu en- enc ene enf eng enl enn enr enu erc ere erf erg erl ern err eru eu- euc eue euf eug eul eun eur fcc fce fcf fcg fcl fcn fcr fcu fec fee fef feg fel fen fer feu ffc ffe fff ffg ffl ffn ffr ffu fgc fge fgf fgg fgl fgn fgr flc fle flf flg fll fln flr flu fnc fne fnf fng fnl fnn fnr fnu frc fre frf frg frl frn frr fru fue fuf fug ful fun fur fuu gcc gce gcf gcg gcl gcn gcr gcu ge- gec gee gef geg gel gen ger geu gfc gfe gff gfl gfr ggc ggg ggn ggr ggu glc gle glf glg gll gln glr glu gnc gne gnf gnl gnn gnr gnu grc gre grf grg grl grn grr gru gu- guc gue guf gug gul gun gur guu lcc lce lcf lcg lcl lcn lcr lcu lec lee lef leg lel len ler leu lfc lfe lff lfg lfl lfn lfr lfu lgc lge lgf lgg lgl lgn lgr lgu llc lle llf llg lll lln llr llu lnc lne lng lnl lnn lnr lnu lrc lrf lrg lrn lrr lru luc lue luf lug lul lun lur luu ncc nce ncf ncg ncl ncn ncr ncu ne- nec nee nef neg nel nen ner neu nfc nfe nff nfl nfn nfr nfu ngc nge ngf ngg ngl ngn ngu nlc nle nlf nlg nll nln nlr nlu nnc nne nnf nng nnl nnn nnu nrc nre nrf nrg nrl nrn nrr nru nuc nue nug nul nun nur nuu rcc rce rcf rcg rcl rcn rcr rcu re- rec ree ref reg rel ren rer reu rfc rfe rff rfg rfl rfn rfr rfu rgc rge rgf rgg rgn rgr rlc rle rlf rlg rll rln rlr rlu rnc rng rnn rnr rnu rrc rrf rrg rrl rrn rrr rru ruc rue ruf rug run rur ruu ucc uce ucf ucg ucl ucn ucr ucu uec uee uef ueg uel uen uer ufc ufe uff ufg ufl ufn ufr ufu ugc uge ugf ugg ugl ugn ugr ugu ulc ule ulf ulg ull uln ulr ulu un- unc une unf ung unl unn unr unu ur- urc ure urf urg url urn urr uru uuc uue uug uun uur uuu