fff ffg ffh ffi ffs fgf fgg fgh fgi fgs fhf fhg fhh fhi fhs fif fig fih fii fis fsf fsg fsh fsi fss gff gfh gfi gfs ggg ggh ggi ggs ghg ghh ghi ghs gif gig gih gii gis gsf gsg gsi gss h-i hff hfg hfh hfi hfs hgf hgg hgh hgi hgs hhf hhg hhh hhi hhs hif hig hih hii his hsf hsg hsh hsi hss i-f iff ifg ifi ifs igf igg igh igi igs ihf ihg ihh ihi ihs iif iih iii iis is- isf isg ish isi iss sff sfg sfh sfi sfs sgf sgg sgh sgi sgs sh- shf shg shh shi shs sif sig sih sii sis ss- ssf ssg ssh ssi sss