-ey eee eef een ees eey ef- efe eff efi efs eie eif eii ein eis en- ene enf eni enn ens eny es- ese esf esi esn ess esy eye eyn eys fee fef fei fen fes fey ffe fff ffi ffn ffs ffy fie fif fii fin fis fne fnf fni fnn fns fse fsf fsi fsn fss fy- fye fyi fyn i-f ie- iee ief iei ien ies iey ife iff ifi ifn ifs ify iie iif iii iin iis in- ine inf ini inn ins iny is- ise isf isi isn iss isy iye iys iyy n-i ne- nee nef nei nen nes ney nfe nff nfi nfn nfs nie nif nii nin nis nne nnf nni nnn nns nse nsf nsi nsn nss nsy nye nyf nyn nys nyy se- see sef sei sen ses sey sfe sff sfi sfn sfs sie sif sii sin sis sne snf sni snn sns sny ss- sse ssf ssi ssn sss sy- sye syi syn sys yee yef yei yen yes yey yfe yff yfs yie yif yii yin yis yne ynn yns yny yse ysi yss ysy yye yyf yys yyy