-er -ic c-- ccc cce ccf cci ccl ccn ccr ccs ccu ce- cec cee cef cei cel cen cer ces ceu cfc cfe cff cfi cfl cfn cfr cfs cfu ci- cic cie cif cii cil cin cir cis ciu cl- clc cle clf cli cll cln clr cls clu cn- cnc cne cnf cni cnl cnn cnr cns cnu crc cre crf cri crl crn crr crs cru csc cse csf csi csl csn csr css csu cuc cue cuf cui cul cun cur cus cuu ec- ecc ece ecf eci ecl ecn ecr ecs ecu eec eee eef eel een eer ees ef- efc efe eff efi efl efr efs eic eie eif eii eil ein eir eis eiu elc ele elf eli ell eln elr els elu en- enc ene enf eni enl enn enr ens enu erc ere erf eri erl ern err ers eru es- esc ese esf esi esl esn esr ess esu eu- euc eue euf eui eul eun eur eus fcc fce fcf fci fcl fcn fcr fcs fcu fec fee fef fei fel fen fer fes feu ffc ffe fff ffi ffl ffn ffr ffs ffu fic fie fif fii fil fin fir fis fiu flc fle flf fli fll fln flr fls flu fnc fne fnf fni fnl fnn fnr fns fnu frc fre frf fri frl frn frr frs fru fsc fse fsf fsi fsl fsn fsr fss fsu fue fuf fui ful fun fur fus fuu i-f icc ice icf ici icl icn icr ics icu ie- iec iee ief iei iel ien ier ies ifc ife iff ifi ifl ifn ifr ifs ifu iic iie iif iii iil iin iir iis iiu il- ilc ile ilf ili ill iln ilr ils ilu in- inc ine inf ini inl inn inr ins inu ir- irc ire irf iri irl irn irr irs iru is- isc ise isf isi isl isn isr iss isu iu- iuc iue iui iur ius lcc lce lcf lci lcl lcn lcr lcs lcu lec lee lef lei lel len ler les leu lfc lfe lff lfi lfl lfn lfr lfs lfu lic lie lif lii lil lin lir lis liu llc lle llf lli lll lln llr lls llu lnc lne lni lnl lnn lnr lns lnu lrc lrf lri lrn lrr lrs lru lsc lse lsf lsi lsl lsn lsr lss lsu luc lue luf lui lul lun lur lus luu n-i ncc nce ncf nci ncl ncn ncr ncs ncu ne- nec nee nef nei nel nen ner nes neu nfc nfe nff nfi nfl nfn nfr nfs nfu nic nie nif nii nil nin nir nis niu nlc nle nlf nli nll nln nlr nls nlu nnc nne nnf nni nnl nnn nns nnu nrc nre nrf nri nrl nrn nrr nrs nru nsc nse nsf nsi nsl nsn nsr nss nsu nuc nue nui nul nun nur nus nuu rcc rce rcf rci rcl rcn rcr rcs rcu re- rec ree ref rei rel ren rer res reu rfc rfe rff rfi rfl rfn rfr rfs rfu ric rie rif rii ril rin rir ris rlc rle rlf rli rll rln rlr rls rlu rnc rni rnn rnr rns rnu rrc rrf rri rrl rrn rrr rrs rru rsc rse rsf rsi rsl rsn rsr rss rsu ruc rue ruf rui run rur rus ruu scc sce scf sci scl scn scr scs scu se- sec see sef sei sel sen ser ses seu sfc sfe sff sfi sfl sfn sfr sfs sfu sic sie sif sii sil sin sir sis siu slc sle slf sli sll sln slr sls slu snc sne snf sni snl snn snr sns snu sr- src sre srf sri srl srn srr srs ss- ssc sse ssf ssi ssl ssn ssr sss ssu suc sue suf sui sul sun sur sus suu ucc uce ucf uci ucl ucn ucr ucs ucu uec uee uef uei uel uen uer ues ufc ufe uff ufi ufl ufn ufr ufs ufu uic uie uif uii uil uin uir uis uiu ulc ule ulf uli ull uln ulr uls ulu un- unc une unf uni unl unn unr uns unu ur- urc ure urf uri url urn urr urs uru usc use usf usi usl usn usr uss usu uuc uue uun uur uus uuu