-er -ic c-- ccc ccd cce ccf cci ccn cco ccr ccs cct cdc cdd cde cdf cdi cdn cdo cdr cds cdt ce- cec ced cee cef cei cen ceo cer ces cet cfc cfd cfe cff cfi cfn cfo cfr cfs cft ci- cic cid cie cif cii cin cio cir cis cit cn- cnc cnd cne cnf cni cnn cno cnr cns cnt co- coc cod coe cof coi con coo cor cos cot crc crd cre crf cri crn cro crr crs crt csc csd cse csf csi csn cso csr css cst ctc ctd cte ctf cti ctn cto ctr cts ctt dcc dcd dce dcf dci dcn dco dcr dcs dct ddc ddd dde ddf ddi ddn ddo ddr dds ddt de- dec ded dee def dei den deo der des det dfc dfd dfe dff dfi dfn dfo dfr dfs dft di- dic did die dif dii din dio dir dis dit dnc dnd dne dnf dni dnn dno dnr dns dnt doc dod doe dof doi don doo dor dos dot drc drd dre dri drn dro drr drs drt dsc dsd dse dsf dsi dsn dso dsr dss dst dtc dtd dte dtf dti dtn dto dtr dts dtt ec- ecc ecd ece ecf eci ecn eco ecr ecs ect ed- edc edd ede edf edi edn edo edr eds edt eec eed eee eef een eeo eer ees eet ef- efc efd efe eff efi efo efr efs eft eic eid eie eif eii ein eio eir eis eit en- enc end ene enf eni enn eno enr ens ent eo- eoc eod eoe eof eoi eon eoo eor eos eot erc erd ere erf eri ern ero err ers ert es- esc esd ese esf esi esn eso esr ess est etc etd ete etf eti etn eto etr ets ett fcc fcd fce fcf fci fcn fco fcr fcs fct fdc fdd fde fdf fdi fdn fdo fdr fds fdt fec fed fee fef fei fen feo fer fes fet ffc ffd ffe fff ffi ffn ffo ffr ffs fft fic fid fie fif fii fin fir fis fit fnc fnd fne fnf fni fnn fnr fns fnt foc foe fof foi fon foo for fos fot frc frd fre frf fri frn fro frr frs frt fsc fsd fse fsf fsi fsn fso fsr fss fst ftc ftd fte ftf fti ftn fto ftr fts ftt i-d i-f icc icd ice icf ici icn ico icr ics ict idc idd ide idf idi idn ido idr ids idt ie- iec ied iee ief iei ien ier ies iet ifc ifd ife iff ifi ifn ifo ifr ifs ift iic iid iie iif iii iin iio iir iis iit in- inc ind ine inf ini inn ino inr ins int io- ioc iod ioe iof ioi ion ioo ior ios iot ir- irc ird ire irf iri irn iro irr irs irt is- isc isd ise isf isi isn iso isr iss ist itc itd ite itf iti itn ito its itt n-i ncc ncd nce ncf nci ncn nco ncr ncs nct ndc ndd nde ndf ndi ndn ndo ndr nds ndt ne- nec ned nee nef nei nen neo ner nes net nfc nfd nfe nff nfi nfn nfo nfr nfs nft nic nid nie nif nii nin nio nir nis nit nnc nne nnf nni nnn nno nns nnt no- noc nod noe nof noi non noo nor nos not nrc nrd nre nrf nri nrn nro nrr nrs nrt nsc nsd nse nsf nsi nsn nso nsr nss nst ntc ntd nte ntf nti ntn nto ntr nts ntt o-i oc- occ ocd ocf oci ocn oco ocr ocs oct odc odd ode odf odi odn odo odr ods odt oec oed oee oef oei oen oeo oer oes oet of- ofc ofd ofe off ofi ofn ofo ofr ofs oft oic oid oie oif oii oin oio oir ois oit on- onc ond one onf oni onn ono onr ons ont oo- ooc ood oof ooi oon ooo oor oos oot or- orc ord ore orf ori orn oro orr ors ort os- osc osd ose osf osi osn oso osr oss ost ot- otc otd ote otf oti otn oto otr ots ott rcc rcd rce rcf rci rcn rco rcr rcs rct rdc rdd rde rdf rdi rdn rdo rdr rds rdt re- rec red ree ref rei ren reo rer res ret rfc rfd rfe rff rfi rfn rfo rfr rfs rft ric rid rie rif rii rin rio rir ris rit rnc rnd rni rnn rno rnr rns rnt roc rod roe rof roi ron roo ror ros rot rrc rrd rrf rri rrn rrr rrs rrt rsc rsd rse rsf rsi rsn rso rsr rss rst rtc rtd rte rtf rti rtn rto rtr rts rtt scc scd sce scf sci scn sco scr scs sct sdc sdd sde sdf sdi sdn sdo sdr sds sdt se- sec sed see sef sei sen seo ser ses set sfc sfd sfe sff sfi sfn sfo sfr sfs sft sic sid sie sif sii sin sio sir sis sit snc snd sne snf sni snn sno snr sns snt soc sod soe sof soi son soo sor sos sot sr- src srd sre srf sri srn sro srr srs srt ss- ssc ssd sse ssf ssi ssn sso ssr sss sst stc std ste stf sti stn sto str sts stt tcc tcd tce tcf tci tcn tco tcr tcs tct tdc tdd tde tdf tdi tdn tdo tdr tds tdt te- tec ted tee tef tei ten teo ter tes tet tfc tfd tfe tff tfi tfn tfo tfr tfs tft tic tid tie tif tii tin tio tir tis tit tnc tnd tne tnf tni tnn tno tnr tns tnt to- toc tod toe tof toi ton too tor tos tot trc trd tre trf tri trn tro