h-i hhh hhi hhn hho hhs hih hii hin hio his hnh hnn hno hns hoh hoi hon hoo hos hsh hsi hsn hss ihh ihi ihn iho ihs iih iii iin iio iis in- inh ini inn ino ins io- ioh ioi ion ioo ios is- ish isi isn iso iss n-i nhh nhi nhn nhs nih nii nin nio nis nnh nni nnn nno nns no- noh noi non noo nos nsh nsi nsn nso nss o-i ohh ohi ohn oho ohs oii oin oio ois on- onh oni onn ono ons oo- ooh ooi oon ooo oos os- osh osi osn oso oss sh- shh shi shn sho shs sih sii sin sio sis sni snn sno sns soh soi son soo sos ss- ssh ssi ssn sso sss