-er -ic c-- ccc cce ccf ccg cci ccn cco ccr ccs cct ce- cec cee cef ceg cei cen ceo cer ces cet cfc cfe cff cfg cfi cfn cfo cfr cfs cft cgc cge cgg cgi cgn cgo cgr cgs cgt ci- cic cie cif cig cii cin cio cir cis cit cn- cnc cne cnf cng cni cnn cno cnr cns cnt co- coc coe cof cog coi con coo cor cos cot crc cre crf crg cri crn cro crr crs crt csc cse csf csg csi csn cso csr css cst ctc cte ctf ctg cti ctn cto ctr cts ctt ec- ecc ece ecf ecg eci ecn eco ecr ecs ect eec eee eef eeg een eeo eer ees eet ef- efc efe eff efg efi efo efr efs eft egc ege egf egg egi egn ego egr egs egt eic eie eif eig eii ein eio eir eis eit en- enc ene enf eng eni enn eno enr ens ent eo- eoc eoe eof eog eoi eon eoo eor eos eot erc ere erf erg eri ern ero err ers ert es- esc ese esf esg esi esn eso esr ess est etc ete etf etg eti etn eto etr ets ett fcc fce fcf fcg fci fcn fco fcr fcs fct fec fee fef feg fei fen feo fer fes fet ffc ffe fff ffg ffi ffn ffo ffr ffs fft fgc fge fgf fgg fgi fgn fgr fgs fgt fic fie fif fig fii fin fir fis fit fnc fne fnf fng fni fnn fnr fns fnt foc foe fof fog foi fon foo for fos fot frc fre frf frg fri frn fro frr frs frt fsc fse fsf fsg fsi fsn fso fsr fss fst ftc fte ftf ftg fti ftn fto ftr fts ftt gcc gce gcf gcg gci gcn gco gcr gcs gct ge- gec gee gef geg gei gen geo ger ges get gfc gfe gff gfi gfo gfr gfs gft ggc ggg ggi ggn ggo ggr ggs ggt gic gie gif gig gii gin gio gir gis git gnc gne gnf gni gnn gno gnr gns gnt goc goe gof gog goi gon goo gor gos got grc gre grf grg gri grn gro grr grs grt gsc gse gsf gsg gsi gsn gso gsr gss gst gtc gte gtf gtg gti gtn gto gtr gts gtt i-f icc ice icf icg ici icn ico icr ics ict ie- iec iee ief ieg iei ien ier ies iet ifc ife iff ifg ifi ifn ifo ifr ifs ift igc ige igf igg igi ign igo igr igs igt iic iie iif iii iin iio iir iis iit in- inc ine inf ing ini inn ino inr ins int io- ioc ioe iof iog ioi ion ioo ior ios iot ir- irc ire irf irg iri irn iro irr irs irt is- isc ise isf isg isi isn iso isr iss ist itc ite itf itg iti itn ito its itt n-i ncc nce ncf ncg nci ncn nco ncr ncs nct ne- nec nee nef neg nei nen neo ner nes net nfc nfe nff nfi nfn nfo nfr nfs nft ngc nge ngf ngg ngi ngn ngo ngs ngt nic nie nif nig nii nin nio nir nis nit nnc nne nnf nng nni nnn nno nns nnt no- noc noe nof nog noi non noo nor nos not nrc nre nrf nrg nri nrn nro nrr nrs nrt nsc nse nsf nsg nsi nsn nso nsr nss nst ntc nte ntf ntg nti ntn nto ntr nts ntt o-i oc- occ ocf ocg oci ocn oco ocr ocs oct oec oee oef oeg oei oen oeo oer oes oet of- ofc ofe off ofg ofi ofn ofo ofr ofs oft ogc oge ogf ogg ogi ogn ogo ogs ogt oic oie oif oii oin oio oir ois oit on- onc one onf ong oni onn ono onr ons ont oo- ooc oof oog ooi oon ooo oor oos oot or- orc ore orf org ori orn oro orr ors ort os- osc ose osf osg osi osn oso osr oss ost ot- otc ote otf otg oti otn oto otr ots ott rcc rce rcf rcg rci rcn rco rcr rcs rct re- rec ree ref reg rei ren reo rer res ret rfc rfe rff rfg rfi rfn rfo rfr rfs rft rgc rge rgf rgg rgi rgn rgo rgr rgs rgt ric rie rif rig rii rin rio rir ris rit rnc rng rni rnn rno rnr rns rnt roc roe rof rog roi ron roo ror ros rot rrc rrf rrg rri rrn rrr rrs rrt rsc rse rsf rsg rsi rsn rso rsr rss rst rtc rte rtf rtg rti rtn rto rtr rts rtt scc sce scf scg sci scn sco scr scs sct se- sec see sef seg sei sen seo ser ses set sfc sfe sff sfg sfi sfn sfo sfr sfs sft sgc sge sgf sgg sgi sgn sgo sgr sgs sgt sic sie sif sig sii sin sio sir sis sit snc sne snf sng sni snn sno snr sns snt soc soe sof sog soi son soo sor sos sot sr- src sre srf srg sri srn sro srr srs srt ss- ssc sse ssf ssg ssi ssn sso ssr sss sst stc ste stf stg sti stn sto str sts stt tcc tce tcf tcg tci tcn tco tcr tcs tct te- tec tee tef teg tei ten teo ter tes tet tfc tfe tff tfg tfi tfn tfo tfr tfs tft tgc tge tgf tgg tgi tgn tgo tgr tgs tgt tic tie tif tig tii tin tio tir tis tit tnc tne tnf tng tni tnn tno tnr tns tnt to- toc toe tof tog toi ton too tor tos tot trc tre trf trg tri trn tro trr trs trt tsc tse tsf tsg tsi tsn tso tsr tss