-er a-a a-i aaa aae aaf aai aan aar aas aea aee aef aei aen aer aes af- afa afe aff afi afn afr afs ai- aia aie aif aii ain air ais an- ana ane anf ani ann anr ans ar- ara are arf ari arn arr ars as- asa ase asf asi asn asr ass eaa eae eaf eai ean ear eas eea eee eef een eer ees ef- efa efe eff efi efr efs eia eie eif eii ein eir eis en- ena ene enf eni enn enr ens era ere erf eri ern err ers es- esa ese esf esi esn esr ess faa fae faf fai fan far fas fea fee fef fei fen fer fes ffa ffe fff ffi ffn ffr ffs fia fie fif fii fin fir fis fna fne fnf fni fnn fnr fns fra fre frf fri frn frr frs fsa fse fsf fsi fsn fsr fss i-f ia- iaa iae iaf iai ian iar ias ie- iea iee ief iei ien ier ies ifa ife iff ifi ifn ifr ifs iia iie iif iii iin iir iis in- ina ine inf ini inn inr ins ir- ira ire irf iri irn irr irs is- isa ise isf isi isn isr iss n-i naa nae naf nai nan nar nas ne- nea nee nef nei nen ner nes nfa nfe nff nfi nfn nfr nfs nia nie nif nii nin nir nis nna nne nnf nni nnn nns nra nre nrf nri nrn nrr nrs nsa nse nsf nsi nsn nsr nss ra- raa rae raf rai ran rar ras re- rea ree ref rei ren rer res rfa rfe rff rfi rfn rfr rfs ria rie rif rii rin rir ris rna rni rnn rnr rns rra rrf rri rrn rrr rrs rsa rse rsf rsi rsn rsr rss saa sae saf sai san sar sas se- sea see sef sei sen ser ses sfa sfe sff sfi sfn sfr sfs sia sie sif sii sin sir sis sna sne snf sni snn snr sns sr- sra sre srf sri srn srr srs ss- ssa sse ssf ssi ssn ssr sss