-er -ol c-- ccc cce ccf ccl ccn cco ccr ccu ce- cec cee cef cel cen ceo cer ceu cfc cfe cff cfl cfn cfo cfr cfu cl- clc cle clf cll cln clo clr clu cn- cnc cne cnf cnl cnn cno cnr cnu co- coc coe cof col con coo cor cou crc cre crf crl crn cro crr cru cuc cue cuf cul cun cuo cur cuu ec- ecc ece ecf ecl ecn eco ecr ecu eec eee eef eel een eeo eer ef- efc efe eff efl efo efr elc ele elf ell eln elo elr elu en- enc ene enf enl enn eno enr enu eo- eoc eoe eof eol eon eoo eor eou erc ere erf erl ern ero err eru eu- euc eue euf eul eun eur fcc fce fcf fcl fcn fco fcr fcu fec fee fef fel fen feo fer feu ffc ffe fff ffl ffn ffo ffr ffu flc fle flf fll fln flo flr flu fnc fne fnf fnl fnn fnr fnu foc foe fof fol fon foo for fou frc fre frf frl frn fro frr fru fue fuf ful fun fuo fur fuu lcc lce lcf lcl lcn lco lcr lcu lec lee lef lel len leo ler leu lfc lfe lff lfl lfn lfo lfr lfu llc lle llf lll lln llo llr llu lnc lne lnl lnn lno lnr lnu loc loe lof lol lon loo lor lou lrc lrf lrn lro lrr lru luc lue luf lul lun luo lur luu ncc nce ncf ncl ncn nco ncr ncu ne- nec nee nef nel nen neo ner neu nfc nfe nff nfl nfn nfo nfr nfu nlc nle nlf nll nln nlo nlr nlu nnc nne nnf nnl nnn nno nnu no- noc noe nof nol non noo nor nou nrc nre nrf nrl nrn nro nrr nru nuc nue nul nun nuo nur nuu oc- occ ocf ocl ocn oco ocr ocu oec oee oef oel oen oeo oer of- ofc ofe off ofl ofn ofo ofr ofu olc ole olf oll oln olo olu on- onc one onf onl onn ono onr onu oo- ooc oof ool oon ooo oor or- orc ore orf orl orn oro orr oru ou- ouc oue ouf oul oun ouo our rcc rce rcf rcl rcn rco rcr rcu re- rec ree ref rel ren reo rer reu rfc rfe rff rfl rfn rfo rfr rfu rlc rle rlf rll rln rlo rlr rlu rnc rnn rno rnr rnu roc roe rof rol ron roo ror rou rrc rrf rrl rrn rrr rru ruc rue ruf run ruo rur ruu ucc uce ucf ucl ucn uco ucr ucu uec uee uef uel uen uer ufc ufe uff ufl ufn ufo ufr ufu ulc ule ulf ull uln ulo ulr ulu un- unc une unf unl unn uno unr unu uoc uoe uol uon uoo uor ur- urc ure urf url urn uro urr uru uuc uue uun uur uuu