fff ffg ffi ffl ffs ffu fgf fgg fgi fgl fgs fif fig fii fil fis fiu flf flg fli fll fls flu fsf fsg fsi fsl fss fsu fuf fug fui ful fus fuu gff gfi gfl gfs ggg ggi ggs ggu gif gig gii gil gis giu glf glg gli gll gls glu gsf gsg gsi gsl gss gsu gu- guf gug gui gul gus guu i-f iff ifg ifi ifl ifs ifu igf igg igi igl igs igu iif iii iil iis iiu il- ilf ilg ili ill ils ilu is- isf isg isi isl iss isu iu- iug iui ius lff lfg lfi lfl lfs lfu lgf lgg lgi lgl lgs lgu lif lig lii lil lis liu llf llg lli lll lls llu lsf lsg lsi lsl lss lsu luf lug lui lul lus luu sff sfg sfi sfl sfs sfu sgf sgg sgi sgl sgs sgu sif sig sii sil sis siu slf slg sli sll sls slu ss- ssf ssg ssi ssl sss ssu suf sug sui sul sus suu uff ufg ufi ufl ufs ufu ugf ugg ugi ugl ugs ugu uif uig uii uil uis uiu ulf ulg uli ull uls ulu usf usg usi usl uss usu uug uus uuu