h-i hhh hhi hhn hho hhp hhs hih hii hin hio hip his hnh hnn hno hns hoh hoi hon hoo hop hos hph hpi hpn hpo hpp hps hsh hsi hsn hsp hss ihh ihi ihn iho ihp ihs iih iii iin iio iip iis in- inh ini inn ino inp ins io- ioh ioi ion ioo iop ios ipi ipn ipo ipp ips is- ish isi isn iso isp iss n-i nhh nhi nhn nhp nhs nih nii nin nio nip nis nnh nni nnn nno nnp nns no- noh noi non noo nop nos nph npi npn npo npp nps nsh nsi nsn nso nsp nss o-i ohh ohi ohn oho ohp ohs oii oin oio oip ois on- onh oni onn ono onp ons oo- ooh ooi oon ooo oop oos op- oph opi opn opo opp ops os- osh osi osn oso osp oss p-p phi phn pho php phs pih pii pin pio pip pis pn- pnh pni pnn pno pnp pns poh poi pon poo pop pos pph ppi ppn ppo ppp pps ps- psh psi psn pso psp pss sh- shh shi shn sho shp shs sih sii sin sio sip sis sni snn sno snp sns soh soi son soo sop sos sph spi spn spo spp sps ss- ssh ssi ssn sso ssp sss