-er c-- ccc cce ccf ccl ccn ccr ccs cct ccu ce- cec cee cef cel cen cer ces cet ceu cfc cfe cff cfl cfn cfr cfs cft cfu cl- clc cle clf cll cln clr cls clt clu cn- cnc cne cnf cnl cnn cnr cns cnt cnu crc cre crf crl crn crr crs crt cru csc cse csf csl csn csr css cst csu ctc cte ctf ctl ctn ctr cts ctt ctu cuc cue cuf cul cun cur cus cut cuu ec- ecc ece ecf ecl ecn ecr ecs ect ecu eec eee eef eel een eer ees eet ef- efc efe eff efl efr efs eft elc ele elf ell eln elr els elt elu en- enc ene enf enl enn enr ens ent enu erc ere erf erl ern err ers ert eru es- esc ese esf esl esn esr ess est esu etc ete etf etl etn etr ets ett etu eu- euc eue euf eul eun eur eus eut fcc fce fcf fcl fcn fcr fcs fct fcu fec fee fef fel fen fer fes fet feu ffc ffe fff ffl ffn ffr ffs fft ffu flc fle flf fll fln flr fls flt flu fnc fne fnf fnl fnn fnr fns fnt fnu frc fre frf frl frn frr frs frt fru fsc fse fsf fsl fsn fsr fss fst fsu ftc fte ftf ftl ftn ftr fts ftt ftu fue fuf ful fun fur fus fut fuu lcc lce lcf lcl lcn lcr lcs lct lcu lec lee lef lel len ler les let leu lfc lfe lff lfl lfn lfr lfs lft lfu llc lle llf lll lln llr lls llt llu lnc lne lnl lnn lnr lns lnt lnu lrc lrf lrn lrr lrs lrt lru lsc lse lsf lsl lsn lsr lss lst lsu ltc lte ltf ltl ltr lts ltt ltu luc lue luf lul lun lur lus lut luu ncc nce ncf ncl ncn ncr ncs nct ncu ne- nec nee nef nel nen ner nes net neu nfc nfe nff nfl nfn nfr nfs nft nfu nlc nle nlf nll nln nlr nls nlt nlu nnc nne nnf nnl nnn nns nnt nnu nrc nre nrf nrl nrn nrr nrs nrt nru nsc nse nsf nsl nsn nsr nss nst nsu ntc nte ntf ntn ntr nts ntt ntu nuc nue nul nun nur nus nut nuu rcc rce rcf rcl rcn rcr rcs rct rcu re- rec ree ref rel ren rer res ret reu rfc rfe rff rfl rfn rfr rfs rft rfu rlc rle rlf rll rln rlr rls rlt rlu rnc rnn rnr rns rnt rnu rrc rrf rrl rrn rrr rrs rrt rru rsc rse rsf rsl rsn rsr rss rst rsu rtc rte rtf rtl rtn rtr rts rtt rtu ruc rue ruf run rur rus rut ruu scc sce scf scl scn scr scs sct scu se- sec see sef sel sen ser ses set seu sfc sfe sff sfl sfn sfr sfs sft sfu slc sle slf sll sln slr sls slt slu snc sne snf snl snn snr sns snt snu sr- src sre srf srl srn srr srs srt ss- ssc sse ssf ssl ssn ssr sss sst ssu stc ste stf stl stn str sts stt stu suc sue suf sul sun sur sus sut suu tcc tce tcf tcl tcn tcr tcs tct tcu te- tec tee tef tel ten ter tes tet teu tfc tfe tff tfl tfn tfr tfs tft tfu tlc tle tlf tll tln tlr tls tlt tlu tnc tne tnf tnl tnn tnr tns tnt trc tre trf trl trn trr trs trt tru tsc tse tsf tsl tsn tsr tss tst tsu ttc tte ttf ttl ttn ttr tts ttt ttu tuc tue tuf tul tun tur tus tut tuu ucc uce ucf ucl ucn ucr ucs uct ucu uec uee uef uel uen uer ues uet ufc ufe uff ufl ufn ufr ufs uft ufu ulc ule ulf ull uln ulr uls ult ulu un- unc une unf unl unn unr uns unt unu ur- urc ure urf url urn urr urs urt uru usc use usf usl usn usr uss ust usu utc ute utf utl utn utr uts utt utu uuc uue uun uur uus uut uuu