-er -ic a-a a-c a-i aaa aac aae aaf aag aai aan aao aar aas ac- aca acc ace acf acg aci acn aco acr acs aea aec aee aef aeg aei aen aeo aer aes af- afa afc afe aff afg afi afn afo afr afs ag- aga agc age agf agg agi agn ago agr ags ai- aia aic aie aif aig aii ain aio air ais an- ana anc ane anf ang ani ann ano anr ans aoa aoc aoe aof aog aoi aon aoo aor aos ar- ara arc are arf arg ari arn aro arr ars as- asa asc ase asf asg asi asn aso asr ass c-- caa cac cae caf cag cai can cao car cas cca ccc cce ccf ccg cci ccn cco ccr ccs ce- cea cec cee cef ceg cei cen ceo cer ces cfa cfc cfe cff cfg cfi cfn cfo cfr cfs cga cgc cge cgg cgi cgn cgo cgr cgs ci- cia cic cie cif cig cii cin cio cir cis cn- cna cnc cne cnf cng cni cnn cno cnr cns co- coa coc coe cof cog coi con coo cor cos cra crc cre crf crg cri crn cro crr crs csa csc cse csf csg csi csn cso csr css eaa eac eae eaf eag eai ean eao ear eas ec- eca ecc ece ecf ecg eci ecn eco ecr ecs eea eec eee eef eeg een eeo eer ees ef- efa efc efe eff efg efi efo efr efs ega egc ege egf egg egi egn ego egr egs eia eic eie eif eig eii ein eio eir eis en- ena enc ene enf eng eni enn eno enr ens eo- eoa eoc eoe eof eog eoi eon eoo eor eos era erc ere erf erg eri ern ero err ers es- esa esc ese esf esg esi esn eso esr ess faa fac fae faf fag fai fan fao far fas fca fcc fce fcf fcg fci fcn fco fcr fcs fea fec fee fef feg fei fen feo fer fes ffa ffc ffe fff ffg ffi ffn ffo ffr ffs fga fgc fge fgf fgg fgi fgn fgr fgs fia fic fie fif fig fii fin fir fis fna fnc fne fnf fng fni fnn fnr fns foa foc foe fof fog foi fon foo for fos fra frc fre frf frg fri frn fro frr frs fsa fsc fse fsf fsg fsi fsn fso fsr fss gaa gac gae gaf gag gai gan gao gar gas gca gcc gce gcf gcg gci gcn gco gcr gcs ge- gea gec gee gef geg gei gen geo ger ges gfa gfc gfe gff gfi gfo gfr gfs gga ggc ggg ggi ggn ggo ggr ggs gia gic gie gif gig gii gin gio gir gis gna gnc gne gnf gni gnn gno gnr gns goa goc goe gof gog goi gon goo gor gos gra grc gre grf grg gri grn gro grr grs gsa gsc gse gsf gsg gsi gsn gso gsr gss i-f ia- iaa iac iae iaf iag iai ian iao iar ias ica icc ice icf icg ici icn ico icr ics ie- iea iec iee ief ieg iei ien ier ies ifa ifc ife iff ifg ifi ifn ifo ifr ifs iga igc ige igf igg igi ign igo igr igs iia iic iie iif iii iin iio iir iis in- ina inc ine inf ing ini inn ino inr ins io- ioa ioc ioe iof iog ioi ion ioo ior ios ir- ira irc ire irf irg iri irn iro irr irs is- isa isc ise isf isg isi isn iso isr iss n-i naa nac nae naf nag nai nan nao nar nas nca ncc nce ncf ncg nci ncn nco ncr ncs ne- nea nec nee nef neg nei nen neo ner nes nfa nfc nfe nff nfi nfn nfo nfr nfs nga ngc nge ngf ngg ngi ngn ngo ngs nia nic nie nif nig nii nin nio nir nis nna nnc nne nnf nng nni nnn nno nns no- noa noc noe nof nog noi non noo nor nos nra nrc nre nrf nrg nri nrn nro nrr nrs nsa nsc nse nsf nsg nsi nsn nso nsr nss o-i oaa oac oae oaf oag oai oan oao oar oas oc- oca occ ocf ocg oci ocn oco ocr ocs oea oec oee oef oeg oei oen oeo oer oes of- ofa ofc ofe off ofg ofi ofn ofo ofr ofs oga ogc oge ogf ogg ogi ogn ogo ogs oia oic oie oif oii oin oio oir ois on- ona onc one onf ong oni onn ono onr ons oo- ooa ooc oof oog ooi oon ooo oor oos or- ora orc ore orf org ori orn oro orr ors os- osa osc ose osf osg osi osn oso osr oss ra- raa rac rae raf rag rai ran rao rar ras rca rcc rce rcf rcg rci rcn rco rcr rcs re- rea rec ree ref reg rei ren reo rer res rfa rfc rfe rff rfg rfi rfn rfo rfr rfs rga rgc rge rgf rgg rgi rgn rgo rgr rgs ria ric rie rif rig rii rin rio rir ris rna rnc rng rni rnn rno rnr rns roa roc roe rof rog roi ron roo ror ros rra rrc rrf rrg rri rrn rrr rrs rsa rsc rse rsf rsg rsi rsn rso rsr rss saa sac sae saf sag sai san sao sar sas sca scc sce scf scg sci scn sco scr scs se- sea sec see sef seg sei sen seo ser ses sfa sfc sfe sff sfg sfi sfn sfo sfr sfs sga sgc sge sgf sgg sgi sgn sgo sgr sgs sia sic sie sif sig sii sin sio sir sis sna snc sne snf sng sni snn sno snr sns soa soc soe sof sog soi son soo sor sos sr-