-er -ic c-- ccc ccd cce ccf cci ccn ccr ccs cct ccu ccx cdc cdd cde cdf cdi cdn cdr cds cdt cdu cdx ce- cec ced cee cef cei cen cer ces cet ceu cex cfc cfd cfe cff cfi cfn cfr cfs cft cfu cfx ci- cic cid cie cif cii cin cir cis cit ciu cix cn- cnc cnd cne cnf cni cnn cnr cns cnt cnu cnx crc crd cre crf cri crn crr crs crt cru crx csc csd cse csf csi csn csr css cst csu csx ctc ctd cte ctf cti ctn ctr cts ctt ctu ctx cuc cud cue cuf cui cun cur cus cut cuu cxc cxf cxi cxr cxs cxt cxx dcc dcd dce dcf dci dcn dcr dcs dct dcu dcx ddc ddd dde ddf ddi ddn ddr dds ddt ddu ddx de- dec ded dee def dei den der des det deu dex dfc dfd dfe dff dfi dfn dfr dfs dft dfu dfx di- dic did die dif dii din dir dis dit diu dix dnc dnd dne dnf dni dnn dnr dns dnt drc drd dre dri drn drr drs drt dru drx dsc dsd dse dsf dsi dsn dsr dss dst dsu dsx dtc dtd dte dtf dti dtn dtr dts dtt dtu dtx duc dud due duf dui dun dur dus dut dux dxc dxd dxi dxn dxr dxs dxt dxx ec- ecc ecd ece ecf eci ecn ecr ecs ect ecu ecx ed- edc edd ede edf edi edn edr eds edt edu edx eec eed eee eef een eer ees eet eex ef- efc efd efe eff efi efr efs eft efx eic eid eie eif eii ein eir eis eit eiu eix en- enc end ene enf eni enn enr ens ent enu erc erd ere erf eri ern err ers ert eru es- esc esd ese esf esi esn esr ess est esu esx etc etd ete etf eti etn etr ets ett etu etx eu- euc eud eue euf eui eun eur eus eut eux ex- exc exd exe exi exr exs ext exu exx fcc fcd fce fcf fci fcn fcr fcs fct fcu fcx fdc fdd fde fdf fdi fdn fdr fds fdt fdu fdx fec fed fee fef fei fen fer fes fet feu fex ffc ffd ffe fff ffi ffn ffr ffs fft ffu ffx fic fid fie fif fii fin fir fis fit fiu fix fnc fnd fne fnf fni fnn fnr fns fnt fnu fnx frc frd fre frf fri frn frr frs frt fru fsc fsd fse fsf fsi fsn fsr fss fst fsu fsx ftc ftd fte ftf fti ftn ftr fts ftt ftu ftx fud fue fuf fui fun fur fus fut fuu fux fxe fxi fxr fxs fxt fxu fxx i-d i-f icc icd ice icf ici icn icr ics ict icu idc idd ide idf idi idn idr ids idt idu idx ie- iec ied iee ief iei ien ier ies iet iex ifc ifd ife iff ifi ifn ifr ifs ift ifu ifx iic iid iie iif iii iin iir iis iit iiu iix in- inc ind ine inf ini inn inr ins int inu inx ir- irc ird ire irf iri irn irr irs irt iru irx is- isc isd ise isf isi isn isr iss ist isu itc itd ite itf iti itn its itt itu itx iu- iuc iud iue iui iur ius iut ixc ixe ixi ixn n-i ncc ncd nce ncf nci ncn ncr ncs nct ncu ncx ndc ndd nde ndf ndi ndn ndr nds ndt ndu ne- nec ned nee nef nei nen ner nes net neu nex nfc nfd nfe nff nfi nfn nfr nfs nft nfu nic nid nie nif nii nin nir nis nit niu nix nnc nne nnf nni nnn nns nnt nnu nrc nrd nre nrf nri nrn nrr nrs nrt nru nrx nsc nsd nse nsf nsi nsn nsr nss nst nsu nsx ntc ntd nte ntf nti ntn ntr nts ntt ntu ntx nuc nud nue nui nun nur nus nut nuu nux nxc nxd nxt rcc rcd rce rcf rci rcn rcr rcs rct rcu rcx rdc rdd rde rdf rdi rdn rdr rds rdt rdu rdx re- rec red ree ref rei ren rer res ret reu rex rfc rfd rfe rff rfi rfn rfr rfs rft rfu ric rid rie rif rii rin rir ris rit rix rnc rnd rni rnn rnr rns rnt rnu rrc rrd rrf rri rrn rrr rrs rrt rru rsc rsd rse rsf rsi rsn rsr rss rst rsu rsx rtc rtd rte rtf rti rtn rtr rts rtt rtu rtx ruc rud rue ruf rui run rur rus rut ruu rux rxr rxs scc scd sce scf sci scn scr scs sct scu scx sdc sdd sde sdf sdi sdn sdr sds sdt sdu se- sec sed see sef sei sen ser ses set seu sex sfc sfd sfe sff sfi sfn sfr sfs sft sfu sfx sic sid sie sif sii sin sir sis sit siu six snc snd sne snf sni snn snr sns snt snu sr- src srd sre srf sri srn srr srs srt srx ss- ssc ssd sse ssf ssi ssn ssr sss sst ssu ssx stc std ste stf sti stn str sts stt stu stx suc sud sue suf sui sun sur sus sut suu sux sxc sxi sxn sxs sxt sxu t-x tcc tcd tce tcf tci tcn tcr tcs tct tcu tcx tdc tdd tde tdf tdi tdn tdr tds tdt tdu tdx te- tec ted tee tef tei ten ter tes tet teu tex tfc tfd tfe tff tfi tfn tfr tfs tft tfu tfx tic tid tie tif tii tin tir tis tit tiu tix tnc tnd tne tnf tni tnn tnr tns tnt tnx trc trd tre trf tri trn trr trs trt tru trx tsc tsd tse tsf tsi tsn