h-i hhh hhi hhn hhs hih hii hin his hix hnh hnn hns hsh hsi hsn hss hsx ihh ihi ihn ihs iih iii iin iis iix in- inh ini inn ins inx is- ish isi isn iss ixi ixn n-i nhh nhi nhn nhs nih nii nin nis nix nnh nni nnn nns nsh nsi nsn nss nsx sh- shh shi shn shs sih sii sin sis six sni snn sns ss- ssh ssi ssn sss ssx sxi sxn sxs xii xin xis xix xns xsi xss xxi xxx