fff ffg ffh ffi ffn fgf fgg fgh fgi fgn fhf fhg fhh fhi fhn fif fig fih fii fin fnf fng fnh fni fnn gff gfh gfi ggg ggh ggi ggn ghg ghh ghi ghn gif gig gih gii gin gnf gni gnn h-i hff hfg hfh hfi hfn hgf hgg hgh hgi hgn hhf hhg hhh hhi hhn hif hig hih hii hin hnf hng hnh hnn i-f iff ifg ifi ifn igf igg igh igi ign ihf ihg ihh ihi ihn iif iih iii iin in- inf ing inh ini inn n-i nff nfi nfn ngf ngg ngh ngi ngn nhf nhg nhh nhi nhn nif nig nih nii nin nnf nng nnh nni nnn