-ji fff ffi ffn ffr ffs fif fii fij fin fir fis fji fjs fnf fni fnj fnn fnr fns frf fri frj frn frr frs fsf fsi fsj fsn fsr fss i-f iff ifi ifn ifr ifs iif iii iij iin iir iis ijf iji ijn ijs in- inf ini inj inn inr ins ir- irf iri irj irn irr irs is- isf isi isj isn isr iss j-i jff jfi jfj jfr jfs jif jii jij jin jir jis jjf jjj jjr jjs jnf jnj jnn jnr jns jrf jri jrn jrr jrs jsf jsi jsj jsn jsr jss n-i nff nfi nfn nfr nfs nif nii nin nir nis njf njn njs nnf nni nnn nns nrf nri nrj nrn nrr nrs nsf nsi nsn nsr nss rff rfi rfj rfn rfr rfs rif rii rin rir ris rjf rjr rni rnn rnr rns rrf rri rrn rrr rrs rsf rsi rsj rsn rsr rss sff sfi sfj sfn sfr sfs sif sii sij sin sir sis sjf sji sjj sjr sjs snf sni snj snn snr sns sr- srf sri srj srn srr srs ss- ssf ssi ssj ssn ssr sss